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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1787009361100829 | 3.4545e-08 | |
| a | 2.966027829220414 | 9.8383e-09 | au |
| q | 2.435995879610168 | 1.0525e-07 | au |
| i | 4.312942887503699 | 3.7426e-06 | deg |
| node | 260.621955063493 | 5.2163e-05 | deg |
| peri | 189.9486518642365 | 5.3319e-05 | deg |
| M | 339.6077502677805 | 1.0526e-05 | deg |
| tp | 2459306.187566808577
(2021-Apr-01.68756681) | 5.4642e-05 | TDB |
| period | 1865.783547706018
5.11 | 9.2832e-06
2.542e-08 | d
yr |
| n | .1929484266503583 | 9.6001e-10 | deg/d |
| Q | 3.496059778830658 | 1.1596e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.92 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
31.89 |
km |
1.5 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 7 |
| rotation period |
rot_per |
10.03 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Georgilas, S.A.; Wetterer, C.J. (1996) Minor Planet Bull. 23, 41-42.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[LeCrone, C.; Mills, G.; Ditteon, R. (2005) Minor Planet Bull. 32, 62-64.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] |
| geometric albedo |
albedo |
0.2512 |
|
0.026 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 7 |
| SMASSII spectral type |
spec_B |
X |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
| 523 Ada (A904 BA) Discovered 1904-Jan-27 by Dugan, R. S. at Heidelberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
| Date/Time (TDB) |
Time Uncertainty
(days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
| 1901-Mar-11 16:12 |
00:02 |
Jupiter |
1.75043465263485 |
1.75043405466898 |
1.75043525060111 |
2.00803924150029 |
1.75055312251342 |
2415455.175073187 |
1.94109600364983 |
106.142854668789 |
20.7121140215119 |
78.7204153764472 |
2100320.69204134 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 1937-Feb-19 13:40 |
00:01 |
Jupiter |
1.73063894123515 |
1.73063859531323 |
1.73063928715697 |
1.97326495339769 |
1.70731347907417 |
2428584.069681340 |
1.27344463425205 |
94.2063568334345 |
22.3231234999286 |
77.7879554026086 |
2739820.43633464 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 1973-Jan-29 05:49 |
< 00:01 |
Jupiter |
1.72514378022466 |
1.72514346008448 |
1.72514410036484 |
1.94566168323471 |
1.67440321999325 |
2441711.742548638 |
0.678775767637518 |
97.9032493165794 |
23.3687113054951 |
77.7861061952942 |
3142922.70054369 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2009-Jan-10 19:23 |
< 00:01 |
Jupiter |
1.74947553772272 |
1.74947518489721 |
1.74947589054814 |
1.98066126979658 |
1.71892499431319 |
2454842.307783500 |
0.211943690079583 |
86.5595727181454 |
22.3204458282537 |
80.5646582284556 |
3000492.34654885 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2045-Jan-03 21:05 |
< 00:01 |
Jupiter |
1.80778694692055 |
1.8077865155757 |
1.80778737826528 |
2.13690859689346 |
1.90507115799741 |
2467984.378142753 |
0.53713275849228 |
63.0436307400851 |
16.26092853095 |
88.4747506976881 |
2526611.43785928 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2081-Jan-08 15:11 |
00:01 |
Jupiter |
1.8793459506302 |
1.87934534464908 |
1.87934655661121 |
2.44491027662632 |
2.25303903244011 |
2481138.132426418 |
1.0724638700306 |
62.3440500926517 |
11.8228224488993 |
89.7241904203779 |
2292078.30679363 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2117-Jan-19 16:14 |
00:02 |
Jupiter |
1.97989234084391 |
1.97989153599124 |
1.97989314569703 |
2.98925437205661 |
2.84253704969835 |
2494297.176182224 |
1.54007668436689 |
80.8908241004787 |
17.0472599153732 |
79.0608616814721 |
2580960.62273081 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2125-Aug-27 09:49 |
00:02 |
Jupiter |
1.97773946184195 |
1.97773852025663 |
1.97774040342771 |
2.49781890833863 |
2.32003083640466 |
2497438.909068207 |
1.64327952229983 |
84.232885117836 |
13.8782202262852 |
69.3675114023878 |
2451457.79425421 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2161-Sep-02 12:12 |
00:02 |
Jupiter |
1.86628945219138 |
1.86628850859031 |
1.86629039579329 |
2.24970339072409 |
2.03800338403875 |
2510594.008570629 |
2.03945013701099 |
102.401580926686 |
13.7123800399273 |
74.4380637213122 |
2190510.87035254 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
| 2197-Aug-30 13:38 |
00:02 |
Jupiter |
1.78403517786119 |
1.78403435806336 |
1.78403599765994 |
2.07294449255894 |
1.82962859118369 |
2523740.068210487 |
2.37976851594313 |
111.115908952886 |
17.7871608451066 |
78.8043510785304 |
2000109.44848395 |
T |
39 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:47:29 |
2021-Feb-24 00:47 |
|
Alternate Designations
| A904 BA = 1937 NB = 1964 XN = A902 UD |
|
|
