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
1996-06-09 16:52:21 C 21 02 17.61 -15 14 15.4 z 413
1996-06-09 16:58:52 C 21 02 17.87 -15 14 13.4 z 413
1996-06-22 10:31:35 C 21 13 36.79 -13 41 45.3 i 711
1996-06-22 10:50:32 C 21 13 37.37 -13 41 39.9 i 711
1996-06-25 10:01:12 C 21 15 45.66 -13 19 54.7 z 696
1996-06-25 10:04:02 C 21 15 45.72 -13 19 53.8 z 696
1996-06-25 10:09:40 C 21 15 45.87 -13 19 52.1 z 696
1996-06-26 07:30:02 C 21 16 22.27 -13 13 20.1 i 711
1996-06-28 11:59:08 C 21 17 45.70 -12 57 13.6 c 608
1996-06-28 12:44:23 C 21 17 46.68 -12 56 59.7 c 608
1996-07-01 11:59:20 C 21 19 28.60 -12 35 07.8 c 608
1996-07-01 12:14:22 C 21 19 28.87 -12 35 03.3 c 608
1996-07-10 00:48:21 C 21 22 59.43 -11 32 18.2 z 118
1996-07-10 01:16:51 C 21 22 59.67 -11 32 09.0 z 118
1996-07-10 01:24:27 C 21 22 59.75 -11 32 06.8 z 118
1996-07-13 00:35:03 C 21 23 41.85 -11 10 17.0 z 118
1996-07-13 00:45:45 C 21 23 41.88 -11 10 13.7 z 118
1996-07-13 00:50:43 C 21 23 41.90 -11 10 12.3 z 118
1996-07-13 16:11:29 C 21 23 48.91 -11 05 27.0 z 360
1996-07-13 16:21:00 C 21 23 48.94 -11 05 23.9 z 360
1996-07-15 00:15:02 C 21 24 00.33 -10 55 39.6 z 118
1996-07-15 00:26:53 C 21 24 00.34 -10 55 36.1 z 118
1996-07-15 00:34:52 C 21 24 00.36 -10 55 33.5 z 118
1996-07-16 16:23:14 C 21 24 09.75 -10 43 18.1 z 360
1996-07-16 16:34:00 C 21 24 09.73 -10 43 14.7 z 360
1996-07-19 15:04:22 C 21 24 12.52 -10 21 14.4 z 413
1996-07-19 15:09:36 C 21 24 12.49 -10 21 13.0 z 413
1996-07-21 09:42:46 C 21 24 05.00 -10 08 26.0 i 711
1996-07-21 09:54:15 C 21 24 04.89 -10 08 22.0 i 711
1996-08-01 22:24:08 C 21 20 43.44 -08 41 45.3 z 046
1996-08-01 22:30:12 C 21 20 43.30 -08 41 43.3 z 046
1996-08-01 22:33:43 C 21 20 43.20 -08 41 42.2 z 046
1996-08-06 23:00:48 C 21 17 51.30 -08 02 28.3 z 046
1996-08-06 23:06:05 C 21 17 51.12 -08 02 26.5 z 046
1996-08-06 23:11:32 C 21 17 50.94 -08 02 24.7 z 046
1996-08-09 20:24:31 C 21 15 51.98 -07 39 11.1 z 552
1996-08-09 20:51:59 C 21 15 51.01 -07 39 02.0 z 552
1996-08-10 15:32:30 C 21 15 15.24 -07 32 37.7 z 360
1996-08-10 15:36:59 C 21 15 15.07 -07 32 36.1 z 360
1996-08-10 20:53:21 C 21 15 06.000 -07 30 52.20 V 557
1996-08-10 21:09:13 C 21 15 05.410 -07 30 46.88 V 557
1996-08-10 21:38:43 C 21 15 04.327 -07 30 36.86 V 557
1996-08-10 22:26:41 C 21 15 02.534 -07 30 20.61 V 557
1996-08-11 00:23:36 C 21 14 58.181 -07 29 40.44 V 557
1996-08-11 00:28:07 C 21 14 58.006 -07 29 38.74 V 557
1996-08-11 00:45:31 C 21 14 57.383 -07 29 32.74 V 557
1996-08-11 01:18:45 C 21 14 56.145 -07 29 21.15 V 557
1996-08-12 03:50:59 C 21 14 05.66 -07 20 11.0 z 801
1996-08-12 04:09:29 C 21 14 04.81 -07 20 04.1 z 801
1996-08-14 08:52:18 C 21 12 17.76 -07 01 23.4 c 608
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)