| (2020 KW4) |
| Classification: Apollo [NEO] SPK-ID: 54017246 |
[ 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 2458995.5 (2020-May-26.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .549136129581381 | 0.0029883 | |
| a | 1.947566656818781 | 0.011724 | au |
| q | .878087440791566 | 0.0005369 | au |
| i | 1.44266255193977 | 0.0063979 | deg |
| node | 60.29215299320797 | 0.0067007 | deg |
| peri | 237.1669037220923 | 0.018615 | deg |
| M | 345.5350314714584 | 0.14742 | deg |
| tp | 2459035.388886684210
(2020-Jul-04.88888668) | 0.046693 | TDB |
| period | 992.7432042441759
2.72 | 8.9642
0.02454 | d
yr |
| n | .3626315430424786 | 0.0032745 | deg/d |
| Q | 3.017045872845997 | 0.018162 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
8.930190460961804E-6 |
-1.596741434349922E-6 |
-.0001381498004993755 |
-1.986975652471469E-5 |
4.695888868995753E-5 |
1.887123051739226E-5 |
| q |
-1.596741434349922E-6 |
2.882648533672801E-7 |
2.435664923575641E-5 |
3.511853305531609E-6 |
-8.920723613106031E-6 |
-3.42782225928635E-6 |
| tp |
-.0001381498004993755 |
2.435664923575641E-5 |
.00218022233210584 |
.0003124908741318736 |
-.0006610060923840391 |
-.0002852468915615031 |
| node |
-1.986975652471469E-5 |
3.511853305531609E-6 |
.0003124908741318736 |
4.489879348323599E-5 |
-9.68035246724182E-5 |
-4.116115393216048E-5 |
| peri |
4.695888868995753E-5 |
-8.920723613106031E-6 |
-.0006610060923840391 |
-9.68035246724182E-5 |
.0003465120925868546 |
.0001093701628836744 |
| i |
1.887123051739226E-5 |
-3.42782225928635E-6 |
-.0002852468915615031 |
-4.116115393216048E-5 |
.0001093701628836744 |
4.093320677208717E-5 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
26.355 |
|
.21888 |
1 |
autocmod 2.8 |
|
[ 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 |
| 2020-May-28 09:48 |
00:02 |
Moon |
0.00838156211687756 |
0.00822356138328166 |
0.0085395904141096 |
13.0348491184091 |
13.0345491380697 |
2458997.908593132 |
2.25493121741192 |
7915.9162536014 |
38.4925442246289 |
-5.51270932171867 |
3147.77686319747 |
T |
1 |
CATAB v2.0f-lin.ifort 2020-May-26 13:12:05 |
2020-May-26 13:12 |
| 2020-May-28 10:31 |
00:02 |
Earth |
0.0107224252040253 |
0.0105636678544236 |
0.0108811669220213 |
12.0028126321965 |
11.9820916022584 |
2458997.938197298 |
2.06579278893876 |
7889.78252655773 |
49.8701264727287 |
0.237354064232046 |
139.583906172664 |
T |
1 |
CATAB v2.0f-lin.ifort 2020-May-26 13:12:05 |
2020-May-26 13:12 |
|
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