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 Period	2.67685207 yr ± 6.25e+00
NGA Model	r2
A2	-3.27808799e-08 AU/d²

Physical Parameters

H (abs. magnitude)	17.45
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-26
RMS Residual	0.809″
Uncertainty	0
Orbit Type	Amor
MOID	0.055611 AU
Observations Used	2075
Radar Obs Used	16
Gaia Obs Used	72
Oppositions	22
Arc Total	1980-2025
First Observation Used	1980-08-06
Last Observation Used	2025-06-26

Observations (2135)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-11-04 01:28:49	C	20 17 06.28	-15 38 54.5	–	V	G96
2020-11-04 01:37:52	C	20 17 07.64	-15 38 50.4	–	V	G96
2020-11-04 01:46:56	C	20 17 09.03	-15 38 45.5	–	V	G96
2020-11-04 01:55:59	C	20 17 10.39	-15 38 41.2	–	V	G96
2020-11-17 01:22:03	C	21 08 51.51	-12 37 13.2	–	V	W33
2020-11-17 01:28:16	C	21 08 52.56	-12 37 09.2	–	V	W33
2020-11-17 01:59:15	C	21 08 58.39	-12 36 47.4	–	V	703
2020-11-17 02:06:54	C	21 08 59.64	-12 36 41.2	–	V	703
2020-11-17 02:14:32	C	21 09 00.97	-12 36 36.3	–	V	703
2020-11-17 02:22:10	C	21 09 02.39	-12 36 30.7	–	V	703
2020-11-19 02:03:30	C	21 17 36.82	-12 01 53.1	–	V	G96
2020-11-19 02:11:49	C	21 17 38.30	-12 01 46.7	–	V	G96
2020-11-19 02:20:09	C	21 17 39.78	-12 01 40.4	–	V	G96
2020-11-19 02:28:30	C	21 17 41.26	-12 01 34.2	–	V	G96
2020-11-26 01:55:18	C	21 49 04.66	-09 44 53.7	–	V	G96
2020-11-26 02:03:22	C	21 49 06.19	-09 44 46.6	–	V	G96
2020-11-26 02:11:25	C	21 49 07.71	-09 44 39.4	–	V	G96
2020-11-26 02:19:28	C	21 49 09.22	-09 44 32.3	–	V	G96
2020-11-27 01:50:37	C	21 53 42.89	-09 23 29.3	–	V	703
2020-11-27 01:58:24	C	21 53 44.42	-09 23 21.5	–	V	703
2020-11-27 02:13:57	C	21 53 47.55	-09 23 07.4	–	V	703
2020-11-29 05:38:34	C	22 03 52.51	-08 35 30.4	–	V	T05
2020-11-29 05:43:11	C	22 03 53.45	-08 35 25.9	–	V	T05
2020-11-29 05:51:09	C	22 03 54.98	-08 35 18.7	–	V	T05
2020-11-29 06:05:42	C	22 03 57.78	-08 35 05.2	–	V	T05
2020-12-03 02:30:21	C	22 22 29.28	-07 04 32.0	–	V	703
2020-12-03 02:38:30	C	22 22 30.89	-07 04 23.8	–	V	703
2020-12-03 02:46:40	C	22 22 32.53	-07 04 15.7	–	V	703
2020-12-03 02:54:49	C	22 22 34.19	-07 04 06.9	–	V	703
2020-12-03 06:08:06	C	22 23 13.33	-07 00 47.9	–	V	T05
2020-12-03 06:13:23	C	22 23 14.38	-07 00 42.6	–	V	T05
2020-12-03 06:41:14	C	22 23 19.94	-07 00 13.7	–	V	T05
2020-12-04 02:28:05	C	22 27 21.99	-06 40 02.6	–	V	703
2020-12-04 02:35:44	C	22 27 23.54	-06 39 54.6	–	V	703
2020-12-04 02:43:23	C	22 27 25.03	-06 39 46.9	–	V	703
2020-12-06 03:05:21	C	22 37 20.84	-05 49 10.3	–	V	703
2020-12-06 03:13:38	C	22 37 22.49	-05 49 01.6	–	V	703
2020-12-06 03:21:54	C	22 37 24.13	-05 48 52.1	–	V	703
2020-12-06 03:30:11	C	22 37 25.65	-05 48 43.8	–	V	703
2020-12-06 05:33:43	C	22 37 51.551	-05 46 29.75	–	U	F51
2020-12-06 05:50:32	C	22 37 54.953	-05 46 11.81	–	U	F51
2020-12-06 06:07:16	C	22 37 58.336	-05 45 54.00	–	U	F51
2020-12-07 05:44:14	C	22 42 51.90	-05 20 37.1	–	V	T05
2020-12-07 05:48:18	C	22 42 52.71	-05 20 32.3	–	V	T05
2020-12-07 05:55:48	C	22 42 54.32	-05 20 24.9	–	V	T05
2020-12-07 06:13:02	C	22 42 57.78	-05 20 05.4	–	V	T05
2020-12-08 01:22:57	C	22 46 57.49	-04 59 23.0	–	V	G96
2020-12-08 01:31:01	C	22 46 59.14	-04 59 14.3	–	V	G96
2020-12-08 01:39:06	C	22 47 00.79	-04 59 05.4	–	V	G96
2020-12-08 01:47:10	C	22 47 02.43	-04 58 56.6	–	V	G96

« Prev 1 2 … 38 39 40 … 42 43 Next » 2135 observations

Radar Observations (32)

Epoch (UTC)	Value	Sigma	Units	Freq (MHz)	Receiver	Transmitter
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)