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
1996-08-22 22:03:26 C 21 04 40.01 -05 43 50.0 z 072
1996-08-31 21:13:14 C 20 56 52.69 -04 07 29.2 619
1996-08-31 21:23:02 C 20 56 52.28 -04 07 24.5 619
1996-08-31 21:42:08 C 20 56 51.46 -04 07 15.1 619
1996-09-01 05:40:47 C 20 56 35.58 -04 03 13.5 z 689
1996-09-01 20:36:57 C 20 56 07.60 -03 55 46.6 619
1996-09-01 21:14:15 C 20 56 06.07 -03 55 27.9 619
1996-09-01 21:33:52 C 20 56 05.24 -03 55 18.4 619
1996-09-02 05:36:05 C 20 55 49.61 -03 51 09.3 z 689
1996-09-02 13:02:45 C 20 55 36.03 -03 47 18.4 z 360
1996-09-02 13:07:14 C 20 55 35.83 -03 47 16.1 z 360
1996-09-02 20:40:30 C 20 55 22.26 -03 43 30.0 z 611
1996-09-02 21:12:29 C 20 55 21.00 -03 43 13.5 z 611
1996-09-05 20:12:29 C 20 53 21.22 -03 04 51.3 z 611
1996-09-05 20:28:00 C 20 53 20.68 -03 04 42.7 z 611
1996-09-05 21:42:59 20 53 18.05 -03 03 59.4 15.5 p 026
1996-09-06 04:39:59 C 20 53 08.50 -02 59 55.4 z 670
1996-09-06 04:54:59 C 20 53 07.95 -02 59 46.5 z 670
1996-09-06 05:24:59 C 20 53 06.84 -02 59 29.8 z 670
1996-09-06 06:04:59 C 20 53 05.35 -02 59 06.8 z 670
1996-09-06 21:04:00 20 52 43.73 -02 50 38.1 p 026
1996-09-06 21:34:53 C 20 52 42.59 -02 50 18.4 z 610
1996-09-06 21:43:51 C 20 52 42.24 -02 50 13.1 z 610
1996-09-06 21:51:33 C 20 52 41.94 -02 50 08.6 z 610
1996-09-07 05:57:00 C 20 52 30.93 -02 45 19.7 z 670
1996-09-07 06:29:00 C 20 52 29.84 -02 45 02.1 z 670
1996-09-07 20:01:07 C 20 52 12.79 -02 37 08.2 z 610
1996-09-07 20:46:51 C 20 52 11.32 -02 36 41.1 z 610
1996-09-07 21:51:52 C 20 52 09.24 -02 36 02.5 z 610
1996-09-09 04:30:30 20 51 32.65 -02 17 21.9 z 710
1996-09-10 04:11:29 20 51 07.81 -02 02 27.8 z 710
1996-09-15 01:53:29 C 20 50 01.22 -00 41 03.6 z 801
1996-09-15 02:11:11 C 20 50 00.97 -00 40 50.3 z 801
1996-09-16 20:10:00 20 50 05.16 -00 08 20.5 14.5 p 026
1996-09-19 02:35:29 C 20 50 34.21 +00 37 09.0 z 824
1996-09-19 02:40:49 C 20 50 34.21 +00 37 13.6 z 824
1996-09-19 02:46:55 C 20 50 34.22 +00 37 18.8 z 824
1996-09-19 02:56:05 C 20 50 34.23 +00 37 26.7 z 824
1996-09-19 18:31:14 C 20 50 50.31 +00 51 08.2 z 557
1996-09-19 18:35:04 C 20 50 50.348 +00 51 11.34 V 557
1996-09-19 18:46:21 C 20 50 50.408 +00 51 21.44 V 557
1996-09-19 18:46:22 C 20 50 50.39 +00 51 21.7 z 557
1996-09-19 18:58:14 C 20 50 50.45 +00 51 32.4 z 557
1996-09-19 19:32:14 C 20 50 50.639 +00 52 02.57 V 557
1996-09-19 19:36:07 C 20 50 50.655 +00 52 06.00 V 557
1996-09-19 19:43:26 C 20 50 50.67 +00 52 12.8 z 557
1996-09-19 20:28:05 C 20 50 50.909 +00 52 52.54 V 557
1996-09-19 20:36:58 C 20 50 50.954 +00 53 00.59 V 557
1996-09-19 20:48:14 C 20 50 51.012 +00 53 10.65 V 557
1996-09-20 01:53:45 C 20 50 56.96 +00 57 50.6 z 824
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)