The Dexes / Near-Earth Object / 2021HD
CelestialObjectDex · Near-Earth Object
NEO 2021 HD
2021HD · 2021-04-20T07:43:00Z
Close approaches
3
Past
1
Future
2
Observations
3
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2021-04-20T07:43:00+00:00 |
|---|---|
| End UTCend_utc | 2062-04-20T11:26:00+00:00 |
| Familyfamily | celestialdex |
| Designationdesignation | 2021 HD |
| Abs magnitude habs_magnitude_h | 26.270 |
| Est diameter (m)est_diameter_m | 19.800 |
| Est diameter noteest_diameter_note | from H, albedo=0.14 assumed (estimate) |
| Orbit IDorbit_id | 2 |
| Closest (km)closest_km | 3927861.300 |
| Closest ldclosest_ld | 10.218 |
| Closest UTCclosest_utc | 2062-04-20T11:26:00+00:00 |
| First approach UTCfirst_approach_utc | 2021-04-20T07:43:00+00:00 |
| Last approach UTClast_approach_utc | 2062-04-20T11:26:00+00:00 |
| Last fix UTClast_fix_utc | 2062-04-20T11:26:00+00:00 |
| Provisionalprovisional | false |
| Approachesapproaches | [{"utc":"2021-04-20T07:43:00+00:00","dist_km":4035505,"dist_ld":10.4982,"dist_au":0.0269756850592497,"dist_min_au":0.026874328269464,"dist_max_au":0.0270770406815153,"v_rel_kms":11.2907472793297,"v_in |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- cneos_cad
Storage: dossier · celestial_storehouse/neo/2021HD.json