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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 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1956825965627553 | 1.33e-08 | |
| a | 2.152674675448011 | 5.0111e-09 | au |
| q | 1.731433705401458 | 2.8012e-08 | au |
| i | 3.316370713056901 | 9.4514e-07 | deg |
| node | 169.9941795221142 | 1.6102e-05 | deg |
| peri | 130.5413356993977 | 2.2269e-05 | deg |
| M | 305.7564046409939 | 8.515e-06 | deg |
| tp | 2459374.324903222931
(2021-Jun-08.82490322) | 2.7622e-05 | TDB |
| period | 1153.628640323259
3.16 | 4.0282e-06
1.103e-08 | d
yr |
| n | .312058826746122 | 1.0896e-09 | deg/d |
| Q | 2.573915645494565 | 5.9917e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457111.5 (2015-Mar-30.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1959930493802533 | 1.3291e-08 | |
| q | 1.730992918399921 | 2.7994e-08 | au |
| tp | 2457066.481236140863
(2015-Feb-12.98123614) | 2.3992e-05 | TDB |
| node | 170.0140407724309 | 1.6101e-05 | deg |
| peri | 130.5182958895682 | 2.2259e-05 | deg |
| i | 3.315971328963403 | 9.4514e-07 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
1.766490679772146E-16 |
-3.683884898808542E-16 |
1.974391938701457E-14 |
2.218170243896443E-14 |
-3.0744973279113E-14 |
-4.521079395164275E-15 |
| q |
-3.683884898808542E-16 |
7.836780938811391E-16 |
-1.287486925571238E-14 |
-6.262664076875699E-14 |
8.954943156078744E-14 |
9.092819281343803E-15 |
| tp |
1.974391938701457E-14 |
-1.287486925571238E-14 |
5.756222113263428E-10 |
-3.128964464259704E-10 |
4.831785145713786E-10 |
-1.126762681536647E-11 |
| node |
2.218170243896443E-14 |
-6.262664076875699E-14 |
-3.128964464259704E-10 |
2.592482863045716E-10 |
-3.512192704466874E-10 |
6.784676110480777E-12 |
| peri |
-3.0744973279113E-14 |
8.954943156078744E-14 |
4.831785145713786E-10 |
-3.512192704466874E-10 |
4.954477150860561E-10 |
-9.642659971721895E-12 |
| i |
-4.521079395164275E-15 |
9.092819281343803E-15 |
-1.126762681536647E-11 |
6.784676110480777E-12 |
-9.642659971721895E-12 |
8.932878693698896E-13 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.93 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
4.198 |
km |
0.145 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| geometric albedo |
albedo |
0.252 |
|
0.021 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 8416 Okada | Discovered 1996 Nov. 3 by S. Ueda and H. Kaneda at Kushiro. |
| Yoshiyuki Okada (b. 1947), a member of Shirakawa Observatory in Japan and Chiro Observatory in Australia, is a talented amateur who played an important role in developing large portable telescopes, including the 0.84-m Chiro Telescope. These telescopes went on nationwide tours to show the beauty of the starry sky. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20010109/MPCPages.arc | Last Updated: 2009-05-11 |
|
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Alternate Designations
| 1996 VB8 = 1980 RP8 = 1980 TG10 = 1986 LA1 = 1988 AO |
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