2017 WW27

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2186205592 ± 2.48e-08
Semi-major axis (a)1.2098983707 AU ± 2.20e-09
Inclination (i)29.88097192° ± 4.03e-05
Long. of Asc. Node (Ω)60.49111146° ± 5.04e-06
Arg. of Perihelion (ω)73.92970677° ± 3.08e-05
Mean Anomaly (M)307.42550212° ± 2.48e-05
Mean Motion (n)0.7406089198°/day ± 2.02e-09
Perihelion dist (q)0.94538971 AU ± 3.00e-08
Aphelion dist (Q)1.47440703 AU ± 3.01e-08
Orbital Period1.33083232 yr ± 3.63e-09
Physical Parameters
H (abs. magnitude)23.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.357″
Uncertainty0
Orbit TypeApollo
MOID0.091013 AU
Observations Used45
Oppositions2
Arc Total2017-2025
First Observation Used2017-11-25
Last Observation Used2025-11-24
Observations (47)
Date Type RA Dec Mag Band Observatory
2017-11-25 04:21:40 C 01 33 23.40 -03 03 13.9 U G96
2017-11-25 04:29:11 C 01 33 20.37 -03 02 28.0 U G96
2017-11-25 04:44:14 C 01 33 14.39 -03 00 51.5 U G96
2017-11-25 05:33:38 C 01 32 54.32 -02 55 34.2 U H01
2017-11-25 05:39:26 C 01 32 52.00 -02 54 56.7 U H01
2017-11-25 05:57:57 C 01 32 44.56 -02 52 57.1 U H01
2017-11-25 06:04:15 C 01 32 42.02 -02 52 16.5 U H01
2017-11-27 03:02:44 C 01 15 17.30 +02 02 29.4 U I52
2017-11-27 03:05:37 C 01 15 16.10 +02 02 47.6 U I52
2017-11-27 03:08:31 C 01 15 14.95 +02 03 07.1 U I52
2017-11-27 03:11:26 C 01 15 13.77 +02 03 26.2 U I52
2017-11-27 04:37:23 C 01 14 39.00 +02 12 53.3 U H01
2017-11-27 04:44:12 C 01 14 36.26 +02 13 38.4 U H01
2017-11-27 04:58:18 C 01 14 30.58 +02 15 11.7 U H01
2017-11-27 05:09:43 C 01 14 26.01 +02 16 27.2 U H01
2017-11-28 04:00:54 C 01 05 37.24 +04 47 48.6 U V06
2017-11-28 04:03:18 C 01 05 36.21 +04 48 04.4 U V06
2017-11-28 04:05:41 C 01 05 35.29 +04 48 19.8 U V06
2017-12-08 00:38:16 C 23 42 11.86 +27 12 14.7 u H21
2017-12-08 00:57:06 C 23 42 05.74 +27 13 38.6 u H21
2017-12-08 01:18:56 C 23 41 58.71 +27 15 12.9 u H21
2018-05-21 10:28:35 C 15 01 51.862 -06 48 26.66 V F51
2018-05-21 10:45:32 C 15 01 47.738 -06 49 50.53 V F51
2018-05-21 11:02:27 C 15 01 43.653 -06 51 13.35 V F51
2022-05-08 13:19:59 C 16 58 04.622 +09 30 41.61 V F52
2022-05-08 13:53:04 C 16 57 56.463 +09 28 11.71 V F52
2022-05-08 14:09:39 C 16 57 52.434 +09 26 57.67 V F52
2022-05-09 12:32:28 C 16 52 34.805 +07 44 14.43 V F52
2022-05-21 09:21:49 C 15 39 44.543 -15 43 23.46 U F52
2022-05-21 09:37:34 C 15 39 40.320 -15 44 36.03 U F52
2022-05-21 09:53:14 C 15 39 36.164 -15 45 47.72 U F52
2022-05-21 10:08:50 C 15 39 32.032 -15 46 58.85 U F52
2022-05-21 12:21:10 C 15 38 56.877 -15 57 01.77 V F52
2025-11-15 06:49:03 C 04 45 16.500 -05 18 33.10 V 807
2025-11-15 07:07:52 C 04 45 12.590 -05 16 52.00 V 807
2025-11-15 07:26:40 C 04 45 08.690 -05 15 10.70 V 807
2025-11-19 17:35:05 C 04 18 41.44 +06 55 37.2 V D29
2025-11-19 17:55:27 C 04 18 34.55 +06 58 34.7 V D29
2025-11-19 18:15:49 C 04 18 27.73 +07 01 29.2 V D29
2025-11-23 05:27:37 C 03 46 00.792 +20 55 21.23 V U68
2025-11-23 05:32:26 C 03 45 58.424 +20 56 15.44 V U68
2025-11-23 05:53:17 C 03 45 48.053 +21 00 11.75 V U74
2025-11-23 05:55:18 C 03 45 47.044 +21 00 33.31 V U74
2025-11-24 05:26:10 C 03 33 53.654 +25 30 44.27 V U68
2025-11-24 05:30:59 C 03 33 50.961 +25 31 39.90 V U68
2025-11-24 05:51:34 C 03 33 39.462 +25 35 41.75 V U74
2025-11-24 05:54:45 C 03 33 37.720 +25 36 19.09 V U74