PTD-4 (LISA-T) is a payload in SSO orbit, operated by NASA Ames Research Center, Moffett Field / Terran Orbital, launched 2024.
| Orbit class | SSO |
| Inclination | 97.6964° |
| Eccentricity | 0.0001578 |
| Period | 94.6 min |
| Apogee | 498 km |
| Perigee | 496 km |
| Mean motion | 15.22890452 rev/day |
| RAAN | 277.0777° |
| Arg of perigee | 339.3767° |
| Mean anomaly | 20.7405° |
| B* | 7.0501e-4 |
| Rev at epoch | 10,379 |
1 60565U 24149DB 26187.72580301 .00016474 00000-0 70501-3 0 99902 60565 97.6964 277.0777 0001578 339.3767 20.7405 15.22890452103797{
"OBJECT_NAME": "PTD-4 (LISA-T)",
"OBJECT_ID": "2024-149DB",
"EPOCH": "2026-07-06T17:25:09.38+00:00",
"MEAN_MOTION": 15.22890452,
"ECCENTRICITY": 0.0001578,
"INCLINATION": 97.6964,
"RA_OF_ASC_NODE": 277.0777,
"ARG_OF_PERICENTER": 339.3767,
"MEAN_ANOMALY": 20.7405,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 60565,
"REV_AT_EPOCH": 10379,
"BSTAR": 0.00070501,
"MEAN_MOTION_DOT": 0.00016474,
"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 | PTD-4 (LISA-T) |
| Operator | NASA Ames Research Center, Moffett Field / Terran OrbitalHIGHvia GCAT — Jonathan McDowell's General Catalog |
| Country | United States |
| Launch date | |
| Launch mass (kg) | |
| Mission purpose | — |
| Object class | PAYLOADHIGH |
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.
| Orbital regime |
| Status |