# Saylor Innovations Data Desk – Satellite Orbital Elements

> Saylor Innovations Data Desk – Satellite Orbital Elements is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-28).

Returns satellite orbital elements (epoch, inclination, eccentricity, period, perigee/apogee altitude, orbit class) from CelesTrak by NORAD catalog number

## Facts

- Endpoint: GET https://saylorinnovations.com/api/space/satellite?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-data-desk-satellite-orbital-elements-a1cba9db
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_V198zznfuxo-O977VuotN

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability saylor-innovations-data-desk-satellite-orbital-elements-a1cba9db
```

Example prompt: What are the current orbital elements for the International Space Station — I need the inclination, eccentricity, orbital period, and apogee/perigee altitudes for NORAD ID 25544.

## When to prefer this

Choose this endpoint when you need structured, parsed orbital element data (inclination, eccentricity, period, apogee/perigee, orbit class) for a specific satellite identified by NORAD catalog number, without needing to parse raw TLE text yourself. It is ideal for agents that need machine-readable orbital parameters for downstream calculations or display, rather than raw Two-Line Element sets. Prefer over raw CelesTrak if you want pre-computed altitude and period values.

## Known failure modes

- Unknown NORAD ID returns zero matches with an empty satellites array
- Malformed or non-numeric NORAD ID may return a validation error
- CelesTrak data may be stale if the upstream source has not published recent TLEs, reflected in a high epoch_age_hours value
- Network timeout or upstream CelesTrak unavailability could result in a 5xx error
- Missing required 'norad' query parameter returns an error

## How this service works

Satellite orbital elements from CelesTrak by NORAD id or name - epoch, inclination, eccentricity, period, perigee and apogee altitude and orbit class

## Output

A JSON object containing a 'satellites' array with full orbital element details for each matched satellite: name, NORAD ID, epoch timestamp, epoch age in hours, inclination in degrees, eccentricity, orbital period in minutes, perigee altitude in km, apogee altitude in km, semi-major axis in km, RAAN in degrees, argument of perigee in degrees, mean anomaly in degrees, B* drag term, and orbit class. Also includes the interpreted query, number of matches, data source attribution, and optional notes.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "norad"
     ],
     "properties": {
      "norad": {
       "type": "string",
       "description": "NORAD catalog number, e.g. 25544 for the ISS"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "required": [
      "matches",
      "satellites"
     ],
     "properties": {
      "note": {
       "type": "string",
       "description": "Caveat or context for reading the result"
      },
      "query": {
       "type": "object",
       "properties": {
        "norad": {
         "type": [
          "number",
          "null"
         ],
         "description": "NORAD catalog number requested"
        }
       },
       "description": "The query as the server interpreted it"
      },
      "source": {
       "type": "string",
       "description": "Data source the values come from"
      },
      "matches": {
       "type": "number",
       "description": "Matching items"
      },
      "satellites": {
       "type": "array",
       "items": {
        "type": "object",
        "properties": {
         "name": {
          "description": "Name"
         },
         "bstar": {
          "type": [
           "number",
           "null"
          ],
          "description": "B* drag term from the TLE"
         },
         "epoch": {
          "type": [
           "string",
           "null"
          ],
          "description": "Time of the orbital elements (UTC)"
         },
         "norad_id": {
          "description": "Norad id identifier"
         },
         "raan_deg": {
          "description": "Raan, in degrees"
         },
         "orbit_class": {
          "description": "Orbit class"
         },
         "eccentricity": {
          "type": [
           "number",
           "null"
          ],
          "description": "Orbital eccentricity, 0 is circular"
         },
         "period_minutes": {
          
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-data-desk-satellite-orbital-elements-a1cba9db/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)