TERRA is a payload in SSO orbit, operated by NASA Goddard Space Flight Center, launched 1999.
| Orbit class | SSO |
| Inclination | 97.9444° |
| Eccentricity | 0.0003025 |
| Period | 98.6 min |
| Apogee | 692 km |
| Perigee | 687 km |
| Mean motion | 14.61119280 rev/day |
| RAAN | 236.9092° |
| Arg of perigee | 138.8672° |
| Mean anomaly | 306.0844° |
| B* | 7.4228e-5 |
| Rev at epoch | 41,252 |
1 25994U 99068A 26188.15577170 .00000321 00000-0 74228-4 0 99922 25994 97.9444 236.9092 0003025 138.8672 306.0844 14.61119280412526{
"OBJECT_NAME": "TERRA",
"OBJECT_ID": "1999-068A",
"EPOCH": "2026-07-07T03:44:18.675+00:00",
"MEAN_MOTION": 14.6111928,
"ECCENTRICITY": 0.0003025,
"INCLINATION": 97.9444,
"RA_OF_ASC_NODE": 236.9092,
"ARG_OF_PERICENTER": 138.8672,
"MEAN_ANOMALY": 306.0844,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 25994,
"REV_AT_EPOCH": 41252,
"BSTAR": 0.000074228,
"MEAN_MOTION_DOT": 0.00000321,
"MEAN_MOTION_DDOT": 0
}Reconstructed from CelesTrak OMM mean-elements (element-set number is a placeholder). TLE/OMM data is approximate. Not for operational use or collision avoidance.
| Name | TERRA |
| Operator | NASA Goddard Space Flight CenterHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | United States |
| Launch date | |
| Launch mass (kg) |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Mission purpose | — |
| Object class |
| Orbital regime |
| Status |