[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1971342918061742 | 4.69e-08 | |
| a | 2.241739090740289 | 9.471e-09 | au |
| q | 1.799815442672986 | 1.0633e-07 | au |
| i | 5.145924143919389 | 5.2472e-06 | deg |
| node | 171.3928210973857 | 5.2014e-05 | deg |
| peri | 133.4828283416973 | 5.419e-05 | deg |
| M | 223.3789124892536 | 1.3596e-05 | deg |
| tp | 2459665.755227627764
(2022-Mar-27.25522763) | 4.7722e-05 | TDB |
| period | 1225.959220481394
3.36 | 7.7693e-06
2.127e-08 | d
yr |
| n | .2936476140361665 | 1.8609e-09 | deg/d |
| Q | 2.683662738807593 | 1.1338e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456905.5 (2014-Sep-05.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1974129756806991 | 4.6848e-08 | |
| q | 1.798710496779029 | 1.0619e-07 | au |
| tp | 2457214.349483326834
(2015-Jul-10.84948333) | 4.1958e-05 | TDB |
| node | 171.4306330798575 | 5.1997e-05 | deg |
| peri | 133.5497626146107 | 5.417e-05 | deg |
| i | 5.14677756451368 | 5.249e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
2.194764881079419E-15 |
-4.962293380810856E-15 |
1.642577303007402E-13 |
-3.500677080328554E-14 |
7.255327028724982E-14 |
-3.914877530832757E-15 |
| q |
-4.962293380810856E-15 |
1.127590040507381E-14 |
-3.046610622774823E-13 |
7.99530899954301E-14 |
-1.490408805232491E-13 |
8.99975361934654E-15 |
| tp |
1.642577303007402E-13 |
-3.046610622774823E-13 |
1.76046927027294E-9 |
-2.583577815136664E-11 |
6.526509090395605E-10 |
3.148619337713134E-13 |
| node |
-3.500677080328554E-14 |
7.99530899954301E-14 |
-2.583577815136664E-11 |
2.703697282085416E-9 |
-2.700491860077852E-9 |
-4.601441588595084E-11 |
| peri |
7.255327028724982E-14 |
-1.490408805232491E-13 |
6.526509090395605E-10 |
-2.700491860077852E-9 |
2.934442895626712E-9 |
4.604277004109596E-11 |
| i |
-3.914877530832757E-15 |
8.99975361934654E-15 |
3.148619337713134E-13 |
-4.601441588595084E-11 |
4.604277004109596E-11 |
2.755196052088624E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.3 |
|
n/a |
MPO527859 |
|
|
| 268268 (2005 OJ18) Discovered 2005-Jul-30 by NEAT at Palomar |
| Reference: 20110319/Numbers.arc | Last Updated: 2011-03-23 |
|
[ 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 |
| 2034-Jan-28 20:44 |
< 00:01 |
Eunom |
0.0435402767685237 |
0.0435387182691627 |
0.0435418356721277 |
6.20649233632978 |
6.20649228438326 |
2463991.363824121 |
0.560847146100661 |
282.7899840262 |
49.6567935547097 |
-77.6042740049924 |
128151.31549463 |
T |
14 |
CATAB v2.0f-lin.ifort 2020-Nov-11 22:14:01 |
2020-Nov-11 22:14 |
| 2144-Apr-01 20:12 |
00:05 |
David |
0.0311736985371853 |
0.0311570789986349 |
0.0311903595114073 |
6.23463465808989 |
6.23463458036078 |
2504231.342005353 |
4.62912533763765 |
1977.03767185364 |
48.1932696618044 |
65.22921231029 |
87834.4529208776 |
T |
14 |
CATAB v2.0f-lin.ifort 2020-Nov-11 22:14:01 |
2020-Nov-11 22:14 |
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