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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 43 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1380457789245514 | 3.8066e-08 | |
a | 3.15833915253616 | 1.3691e-08 | au |
q | 2.722343764116398 | 1.201e-07 | au |
i | 10.10988522184711 | 3.813e-06 | deg |
node | 230.6041826530355 | 2.2964e-05 | deg |
peri | 115.4452559475683 | 2.6258e-05 | deg |
M | 158.545558741825 | 1.3528e-05 | deg |
tp | 2458297.603118308952 (2018-Jun-28.10311831) | 7.5888e-05 | TDB |
period | 2050.154416107459 5.61 | 1.3331e-05 3.65e-08 | d yr |
n | .175596529301201 | 1.1418e-09 | deg/d |
Q | 3.594334540955921 | 1.5581e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.77 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
35.741 |
km |
0.602 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
42.61 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Ferrero, A. (2013) Minor Planet Bull. 40, 31-32.] [Stephens, R.D. (2013) Minor Planet Bull. 40, 34-35.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] |
geometric albedo |
albedo |
0.166 |
|
0.047 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
979 Ilsewa (A922 MA) Discovered 1922-Jun-29 by Reinmuth, K. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ 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 |
1919-Sep-08 23:09 |
00:02 |
Jupiter |
1.94896226967043 |
1.94896181489217 |
1.94896272444869 |
2.71727087104339 |
2.55232391776679 |
2422210.464612886 |
1.84007683530059 |
99.242410974681 |
28.2978795808105 |
-79.9341695953509 |
2416061.13565627 |
T |
43 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:51:34 |
2021-Feb-24 00:51 |
1930-Mar-29 02:31 |
00:01 |
Jupiter |
1.95892704710905 |
1.95892664790611 |
1.95892744631244 |
4.29519866015552 |
4.19332200496356 |
2426064.604843096 |
1.47334282689798 |
107.206931517066 |
15.9059827364836 |
-87.1816595280598 |
3364863.80329111 |
T |
43 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:51:34 |
2021-Feb-24 00:51 |
2015-Feb-26 05:31 |
< 00:01 |
Jupiter |
1.97952369447775 |
1.97952322836871 |
1.9795241605868 |
2.19324061217169 |
1.98859755055169 |
2457079.730156512 |
0.246688590632483 |
65.4629724895489 |
20.9818395323798 |
88.555787241342 |
3228083.32269767 |
T |
43 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:51:34 |
2021-Feb-24 00:51 |
2025-Aug-26 01:45 |
< 00:01 |
Jupiter |
1.96539091207643 |
1.9653905323726 |
1.96539129178025 |
3.72835329360394 |
3.61091128703162 |
2460913.572786891 |
0.322116242210394 |
58.3424526558862 |
16.7006387178981 |
87.5002944337236 |
3922918.50556023 |
T |
43 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:51:34 |
2021-Feb-24 00:51 |
2110-Aug-20 20:47 |
00:02 |
Jupiter |
1.98629741358845 |
1.98629694553216 |
1.98629788164463 |
2.12909851950637 |
1.91838337061253 |
2491953.366198436 |
1.98709563398228 |
90.452282547051 |
14.8081649982748 |
77.1778273358278 |
2804681.15187845 |
T |
43 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:51:34 |
2021-Feb-24 00:51 |
2121-Feb-01 15:08 |
00:02 |
Jupiter |
1.98030873865118 |
1.98030831868344 |
1.98030915861893 |
3.04769087006189 |
2.90395845855253 |
2495771.130620927 |
2.1241295023452 |
66.5426548448205 |
26.4363813266133 |
-89.5746257185367 |
1685846.22021562 |
T |
43 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:51:34 |
2021-Feb-24 00:51 |
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Alternate Designations
A922 MA = 1932 EG1 = 1951 TW = 1966 HO = A916 KD = A923 XB |
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