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442742 (2012 WP3)
Classification: Amor [NEO]          SPK-ID: 2442742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 114 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3840782457612797 1.0964e-07  
a 2.099743341993848 1.8506e-08 au
q 1.293277602651924 2.2894e-07 au
i 22.5669816328308 8.8762e-06 deg
node 227.1824625012903 8.2833e-06 deg
peri 141.6653202131539 4.3461e-05 deg
M 200.5565157644025 1.5979e-05 deg
tp 2459492.711800636496
(2021-Oct-05.21180064)
4.5052e-05 TDB
period 1111.342047488808
3.04
1.4692e-05
4.022e-08
d
yr
n .3239326729457029 4.2824e-09 deg/d
Q 2.906209081335772 2.5613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      3229 days (8.84 yr)  
   first obs. used      2010-03-22  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-31 08:22:45  

Additional Information
 Earth MOID = .348937 au 
 Jupiter MOID = 2.69899 au 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO456097  
diameter diameter 2.003 km 0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 221. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 153-157.]
geometric albedo albedo 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

442742 (2012 WP3)          Discovered 2010-Mar-22 by WISE at WISE
Reference: Last Updated: 2015-09-02

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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
1948-Nov-02 09:05 < 00:01 Earth 0.458503619424983 0.458494423562674 0.458512816101314 11.4807841553745 11.4802779723104 2432857.878664108 0.700930936742439 1067.01299960328 4.77289814914962 64.5476620176493 7555134.81557397 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
1951-Oct-26 20:48 < 00:01 Earth 0.353143836622768 0.353141679870453 0.353145993886728 11.7451713472874 11.7445289358773 2433946.366949141 0.44106071474724 692.780571167242 21.7012226157002 81.2485329695095 2072802.71500997 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
1954-Oct-21 08:36 < 00:01 Earth 0.409405461525522 0.409398459997807 0.409412463327545 12.8313842804874 12.8308770634921 2435036.858124590 0.35177717177482 635.4184341669 33.4603104761257 -56.7914189435441 1478142.67395685 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2018-Oct-28 10:52 < 00:01 Earth 0.366805929794931 0.366805385482195 0.366806474108438 11.6728082970778 11.6721859792641 2458419.952549769 0.0746090488716319 39.8739835282688 10.6923896917469 49.5016232606199 4113053.87471519 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2021-Oct-23 01:09 < 00:01 Earth 0.3713884953969 0.371387943769249 0.371389047024783 12.4705951195038 12.4700198031106 2459510.547757541 0.0746636528555944 36.8277619729172 21.9233700919326 55.8460169014899 1843498.7924239 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2034-Feb-01 08:52 < 00:01 Mars 0.0871947731080593 0.0871943842826614 0.0871951619494963 12.4773218139978 12.4770586666859 2463994.869220478 0.455414062112607 177.459523266411 18.2737841008906 87.8954246888773 712712.0114076 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2085-Oct-30 02:35 < 00:01 Earth 0.394842884207194 0.394836575715482 0.39484919323898 11.6132562902787 11.6126751982791 2482893.607714783 0.658755785024663 793.733196089741 11.8860906796381 66.6647525065368 3473243.83097146 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2088-Oct-23 20:23 < 00:01 Earth 0.359290572094796 0.359286970631301 0.35929417406632 12.2469000347959 12.2462944832746 2483983.349168412 0.488738577018629 706.793794117261 30.4031787786033 -75.4834627810444 1555871.57585368 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2091-Oct-19 12:48 < 00:01 Earth 0.482175041958724 0.482163716422823 0.48218636769942 13.5753012707451 13.5748942048997 2485074.033495268 0.552426395265207 752.147533806661 39.9934596469404 -41.4071303659464 1189948.31410547 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2098-Jan-13 03:30 00:02 Mars 0.0847792008797013 0.084775803915134 0.0847826014229424 12.4898872195911 12.4896168467578 2487351.646058147 2.38196525851432 890.202396481749 18.6900212559837 79.090083569557 665461.467527303 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2152-Nov-02 17:56 00:02 Earth 0.438149165767784 0.438130039498281 0.438168295547499 11.6548243880841 11.6543025997618 2507368.246936505 1.60873077833749 2175.89062510852 5.29351552082483 64.000590213174 7546583.57921133 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2155-Oct-27 19:21 00:01 Earth 0.352362470055129 0.352361279022256 0.352363663536946 11.9718210738888 11.9711894275973 2508457.305921622 1.1409019472802 1610.31976750647 24.6103289367296 88.0732499179241 1868095.46546432 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2158-Oct-22 16:46 00:01 Earth 0.421224832225244 0.421204557914158 0.421245108146937 13.0498355792646 13.0493508475706 2509548.198373479 1.04313753100336 1646.62445725317 35.7991519001107 -52.1387844288298 1333581.79890334 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25
2161-Dec-21 00:02 00:05 Mars 0.0838583197313072 0.0838497318455881 0.0838669238139903 12.3745395265103 12.3742636365957 2510703.501169858 5.01394697714729 1888.80848725846 18.554570879609 -76.8948100263013 658662.555213572 T 114 CATAB v2.0e-lin.ifort 2019-Jan-31 08:25:20 2019-Jan-31 08:25

Alternate Designations
 2012 WP3 = 2010 FV46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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