3908 Nyx (1980 PA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4590032671 ± 2.00e+00
Semi-major axis (a)1.9278929483 AU ± 3.00e+00
Inclination (i)2.18636566° ± 4.00e+00
Long. of Asc. Node (Ω)261.19174891° ± 5.00e+00
Arg. of Perihelion (ω)126.65988085° ± 6.00e+00
Mean Anomaly (M)312.97146977° ± 2.87e-05
Mean Motion (n)0.3682034928°/day ± 8.59e-01
Perihelion dist (q)1.04298379 AU ± 4.18e+00
Aphelion dist (Q)2.81280211 AU ± 5.83e+00
Orbital Period2.67685207 yr ± 6.25e+00
NGA Modelr2
A2-3.27808799e-08 AU/d²
Physical Parameters
H (abs. magnitude)17.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.809″
Uncertainty0
Orbit TypeAmor
MOID0.055611 AU
Observations Used2075
Radar Obs Used16
Gaia Obs Used72
Oppositions22
Arc Total1980-2025
First Observation Used1980-08-06
Last Observation Used2025-06-26
Observations (2135)
Date Type RA Dec Mag Band Observatory
2004-10-10 02:58:50 C 20 02 41.73 -09 06 05.6 16.6 c 704
2004-10-10 03:14:19 C 20 02 43.17 -09 05 58.8 16.4 c 704
2004-10-10 17:53:31 C 20 04 16.44 -08 59 29.3 o 084
2004-10-13 02:07:24 C 20 10 37.09 -08 32 04.7 16.1 c 704
2004-10-13 02:38:41 C 20 10 40.50 -08 31 48.4 16.3 c 704
2004-10-13 02:54:34 C 20 10 42.20 -08 31 39.3 16.3 c 704
2004-10-13 03:10:07 C 20 10 43.91 -08 31 31.9 16.5 c 704
2004-10-15 03:19:28 C 20 16 42.00 -08 05 54.6 17.3 c 704
2004-10-15 03:35:19 C 20 16 43.85 -08 05 46.0 16.6 c 704
2004-10-15 03:51:09 C 20 16 45.75 -08 05 36.9 17.0 c 704
2004-10-15 04:07:00 C 20 16 47.64 -08 05 27.9 16.8 c 704
2004-10-15 04:22:51 C 20 16 49.57 -08 05 18.8 16.7 c 704
2004-10-15 09:37:35 C 20 17 32.07 -08 02 24.2 r 379
2004-10-15 09:46:11 C 20 17 33.09 -08 02 19.6 r 379
2004-10-15 09:48:21 C 20 17 33.33 -08 02 18.5 r 379
2004-10-15 11:30:52 C 20 17 45.58 -08 01 21.4 r 347
2004-10-15 11:37:02 C 20 17 46.30 -08 01 18.4 r 347
2004-10-15 16:01:39 C 20 18 22.83 -07 58 58.0 o 084
2004-10-16 09:10:53 C 20 20 40.75 -07 48 55.1 r 379
2004-10-16 09:12:31 C 20 20 40.99 -07 48 53.4 r 379
2004-10-16 09:14:11 C 20 20 41.16 -07 48 52.6 r 379
2004-10-16 09:15:50 C 20 20 41.35 -07 48 51.3 r 379
2004-10-16 09:22:26 C 20 20 42.17 -07 48 47.3 r 379
2004-10-16 09:33:59 C 20 20 43.65 -07 48 40.6 r 379
2004-10-22 17:45:09 C 20 44 15.69 -06 06 07.0 c 113
2004-10-22 17:46:30 C 20 44 15.90 -06 06 06.2 c 113
2004-10-22 17:47:50 C 20 44 16.12 -06 06 04.9 c 113
2004-10-22 17:49:10 C 20 44 16.35 -06 06 03.9 c 113
2004-10-22 17:50:30 C 20 44 16.57 -06 06 02.9 c 113
2004-10-25 16:10:02 C 20 57 13.12 -05 08 20.2 o 084
2004-10-28 17:12:56 C 21 12 10.60 -04 00 25.9 o 084
2004-10-28 17:16:59 C 21 12 11.40 -04 00 21.9 o 084
2004-10-30 17:39:13 C 21 23 00.27 -03 10 42.0 o 084
2004-11-01 15:49:25 C 21 34 02.85 -02 19 39.4 o 084
2004-11-02 09:19:09 C 21 38 24.36 -01 59 08.1 r 379
2004-11-02 09:25:36 C 21 38 25.89 -01 58 59.9 r 379
2004-11-02 09:29:53 C 21 38 26.89 -01 58 55.1 r 379
2004-11-02 09:34:12 C 21 38 27.93 -01 58 50.3 r 379
2004-11-02 09:38:30 C 21 38 28.96 -01 58 45.2 r 379
2004-11-02 16:44:25 C 21 40 16.95 -01 50 38.6 o 084
2004-11-03 18:00:51 C 21 46 48.74 -01 20 09.8 o 084
2004-11-04 01:39:57 C 21 48 51.23 -01 10 27.2 o 699
2004-11-04 02:05:36 C 21 48 57.70 -01 09 55.2 o 699
2004-11-04 02:31:16 C 21 49 04.16 -01 09 23.4 o 699
2004-11-04 02:51:44 C 21 49 08.923 -01 08 56.69 n 645
2004-11-04 02:52:55 C 21 49 09.227 -01 08 55.19 n 645
2004-11-04 02:55:19 C 21 49 09.837 -01 08 52.22 n 645
2004-11-04 02:56:30 C 21 49 10.142 -01 08 50.50 n 645
2004-11-04 02:57:00 C 21 49 10.60 -01 08 51.7 o 699
2004-11-04 11:01:53 C 21 51 19.69 -00 58 46.4 r 379
Radar Observations (32)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1988-09-25 02:30:00 67856.4 1 Hz 2380 -1 -1
1988-09-25 03:35:00 83363235 20 us 2380 -1 -1
1988-09-25.104167 6785640 100 Hz 2380 251 251
1988-09-25.149306 8336323500 20000 us 2380 251 251
1988-09-26 03:08:00 81027438 2 us 2380 -1 -1
1988-09-26.130556 8102743800 2000 us 2380 251 251
1988-09-27 03:00:00 78763284 2 us 2380 -1 -1
1988-09-27.125000 7876328400 2000 us 2380 251 251
1988-10-06 07:45:00 63835350 10 us 8495 -14 -14
1988-10-06.322917 6383535000 10000 us 8495 253 253
1988-10-19 07:00:00 66513356.1 1.4 us 8495 -14 -14
1988-10-19 09:00:00 66612701.5 1.4 us 8495 -14 -14
1988-10-19.291667 6651335610 1400 us 8495 253 253
1988-10-19.375000 6661270150 1400 us 8495 253 253
2004-11-15 23:39:00 139206966.95 8 us 2380 -1 -1
2004-11-15.985417 13920696695 8000 us 2380 251 251
2004-11-16 00:37:00 139214872 1 us 2380 -1 -1
2004-11-16 23:31:00 139485862 1 us 2380 -1 -1
2004-11-16.025694 13921487200 1000 us 2380 251 251
2004-11-16.979861 13948586200 1000 us 2380 251 251
2004-11-17 01:05:00 139511312 1 us 2380 -1 -1
2004-11-17 23:29:00 139953160.6 1 us 2380 -1 -1
2004-11-17.045139 13951131200 1000 us 2380 251 251
2004-11-17.978472 13995316060 1000 us 2380 251 251
2004-11-18 01:12:00 139994542 1 us 2380 -1 -1
2004-11-18 23:33:00 140614951.6 1 us 2380 -1 -1
2004-11-18.050000 13999454200 1000 us 2380 251 251
2004-11-18.981250 14061495160 1000 us 2380 251 251
2004-11-19 00:11:00 140634288 1 us 2380 -1 -1
2004-11-19 01:07:00 140665020.9 1 us 2380 -1 -1
2004-11-19.007639 14063428800 1000 us 2380 251 251
2004-11-19.046528 14066502090 1000 us 2380 251 251
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)