HELLAS-SAT 4 & SGS-1 is a payload in GEO orbit, operated by HellasSat Consortium Ltd., OTE Group / King Abdul Aziz City for Science and Technology, launched 2019.
| Orbit class | GEO |
| Inclination | 0.0648° |
| Eccentricity | 0.0005864 |
| Period | 1436.1 min |
| Apogee | 35,812 km |
| Perigee | 35,762 km |
| Mean motion | 1.00270572 rev/day |
| RAAN | 130.9780° |
| Arg of perigee | 13.7950° |
| Mean anomaly | 237.0399° |
| B* | 0.0000e+0 |
| Rev at epoch | 2,756 |
1 44034U 19007A 26188.16017221 .00000168 00000-0 00000-0 0 99922 44034 0.0648 130.9780 0005864 13.7950 237.0399 1.00270572 27568{
"OBJECT_NAME": "HELLAS-SAT 4 & SGS-1",
"OBJECT_ID": "2019-007A",
"EPOCH": "2026-07-07T03:50:38.879+00:00",
"MEAN_MOTION": 1.00270572,
"ECCENTRICITY": 0.0005864,
"INCLINATION": 0.0648,
"RA_OF_ASC_NODE": 130.978,
"ARG_OF_PERICENTER": 13.795,
"MEAN_ANOMALY": 237.0399,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 44034,
"REV_AT_EPOCH": 2756,
"BSTAR": 0,
"MEAN_MOTION_DOT": 0.00000168,
"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 | HELLAS-SAT 4 & SGS-1 |
| Operator | HellasSat Consortium Ltd., OTE Group / King Abdul Aziz City for Science and TechnologyHIGHvia GCAT — Jonathan McDowell's General Catalog⚠ sources disagree |
| Country | Greece |
| 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 |