[ 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 20 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1909244235822271 | 3.8326e-08 | |
a | 2.455542360768574 | 1.2225e-08 | au |
q | 1.986719350957093 | 9.8165e-08 | au |
i | 5.94241360313269 | 7.1136e-06 | deg |
node | 211.7749427547049 | 3.6874e-05 | deg |
peri | 63.71385425534589 | 4.2818e-05 | deg |
M | 245.9456995622624 | 2.2708e-05 | deg |
tp | 2459445.775435470611 (2021-Aug-19.27543547) | 9.0742e-05 | TDB |
period | 1405.463504262405 3.85 | 1.0495e-05 2.873e-08 | d yr |
n | .2561432573013911 | 1.9128e-09 | deg/d |
Q | 2.924365370580055 | 1.4558e-08 | au |
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| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1917464105653996 | 3.8139e-08 | |
q | 1.983887254751488 | 9.77e-08 | au |
tp | 2456635.003714500552 (2013-Dec-08.50371450) | 7.8503e-05 | TDB |
node | 211.8224422122582 | 3.6904e-05 | deg |
peri | 63.64827301300904 | 4.2807e-05 | deg |
i | 5.94052495655277 | 7.1132e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.454572595906183E-15 |
-3.709802881234882E-15 |
-1.466554884525516E-12 |
6.439837692190006E-15 |
-4.129055019267263E-13 |
-1.227561070069673E-16 |
q |
-3.709802881234882E-15 |
9.54530629868259E-15 |
3.963981545555535E-12 |
-1.803822268612362E-14 |
1.121749084381451E-12 |
5.330548184844828E-16 |
tp |
-1.466554884525516E-12 |
3.963981545555535E-12 |
6.162680890084452E-9 |
-2.758054834552848E-11 |
1.708766489525084E-9 |
-1.193443560629562E-12 |
node |
6.439837692190006E-15 |
-1.803822268612362E-14 |
-2.758054834552848E-11 |
1.361936021371177E-9 |
-1.361837234022143E-9 |
-4.776836989494275E-11 |
peri |
-4.129055019267263E-13 |
1.121749084381451E-12 |
1.708766489525084E-9 |
-1.361837234022143E-9 |
1.832450977605493E-9 |
4.721323143110347E-11 |
i |
-1.227561070069673E-16 |
5.330548184844828E-16 |
-1.193443560629562E-12 |
-4.776836989494275E-11 |
4.721323143110347E-11 |
5.059830528459613E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.0 |
|
n/a |
MPO452805 |
|
diameter |
diameter |
2.745 |
km |
0.118 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
geometric albedo |
albedo |
0.102 |
|
0.017 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
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|
46458 (4244 P-L) Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar |
Reference: 20020822/Numbers.arc | Last Updated: 2004-04-19 |
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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 |
1900-Nov-29 17:34 |
< 00:01 |
Eunom |
0.0438521152630488 |
0.0438441386489941 |
0.0438600940866603 |
6.87642140187972 |
6.87642135532745 |
2415353.232127489 |
0.684657649004644 |
639.230785013519 |
78.3598126992234 |
-52.0820270379982 |
66320.7240011753 |
T |
20 |
CATAB v2.0f-lin.ifort 2020-Nov-12 23:47:12 |
2020-Nov-12 23:47 |
1978-Apr-18 02:09 |
< 00:01 |
Iris |
0.0493284739667648 |
0.0493267459718558 |
0.0493302020862224 |
7.55948175430879 |
7.55948173889238 |
2443616.589845408 |
0.442506689384478 |
193.87552810135 |
60.536313315924 |
-70.5565431479922 |
115626.119025 |
T |
20 |
CATAB v2.0f-lin.ifort 2020-Nov-12 23:47:12 |
2020-Nov-12 23:47 |
2012-Sep-10 18:47 |
< 00:01 |
Eunom |
0.0409365759643581 |
0.0409343314432005 |
0.0409388204931148 |
7.2396786202462 |
7.2396785728806 |
2456181.282778211 |
0.419014783237297 |
117.482295044434 |
70.4895929439207 |
22.3959602755075 |
58448.0899687719 |
T |
20 |
CATAB v2.0f-lin.ifort 2020-Nov-12 23:47:12 |
2020-Nov-12 23:47 |
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