[ hide orbit diagram ]
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1261900317834349 | 2.7268e-08 | |
| a | 2.386324614199628 | 8.429e-09 | au |
| q | 2.085194235288184 | 6.4672e-08 | au |
| i | 6.138832578035584 | 3.4033e-06 | deg |
| node | 206.3133619837953 | 3.3495e-05 | deg |
| peri | 199.2350637718889 | 3.6911e-05 | deg |
| M | 124.2207777723318 | 1.5982e-05 | deg |
| tp | 2458535.894387804602
(2019-Feb-21.39438780) | 5.9329e-05 | TDB |
| period | 1346.457681152897
3.69 | 7.1339e-06
1.953e-08 | d
yr |
| n | .2673682248162096 | 1.4166e-09 | deg/d |
| Q | 2.687454993111071 | 9.4926e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.6 |
|
n/a |
MPO452445 |
|
|
| 19413 Grantlewis | Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. |
| Grant Allen Lewis (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his engineering project. He attends the Delavan High School, Delavan, Illinois, U.S.A. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20040830/MPCPages.arc | Last Updated: 2004-09-06 |
|
[ 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 |
| 1972-Aug-09 17:33 |
< 00:01 |
Amphi |
0.0472851941896986 |
0.047283519905108 |
0.0472868689765852 |
3.65714987239632 |
3.65714983915295 |
2441539.231423666 |
0.706795047466824 |
276.05580572081 |
32.1126777510418 |
-73.6836185281034 |
211398.894625511 |
T |
31 |
CATAB v2.0f-lin.ifort 2020-Nov-13 02:08:59 |
2020-Nov-13 02:09 |
| 2141-Sep-07 03:32 |
00:01 |
Juno |
0.0415336631849085 |
0.0415189760920486 |
0.0415483565573615 |
3.96960793808156 |
3.96960786429146 |
2503293.647478989 |
1.02908954029943 |
1088.66701057435 |
41.0514037263351 |
-47.7979158805173 |
112073.103549495 |
T |
31 |
CATAB v2.0f-lin.ifort 2020-Nov-13 02:08:59 |
2020-Nov-13 02:09 |
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