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392952 (2012 WT20)
Classification: Main-belt Asteroid          SPK-ID: 2392952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04205827815784201 6.074e-08  
a 3.01957335556075 5.4605e-08 au
q 2.892575299454568 1.8144e-07 au
i 10.0192468319417 6.8582e-06 deg
node 46.20535833787525 3.9805e-05 deg
peri 84.63548057821306 9.3193e-05 deg
M 93.4566950965484 8.5846e-05 deg
tp 2458502.963757511167
(2019-Jan-19.46375751)
0.00045356 TDB
period 1916.53521570543
5.25
5.1987e-05
1.423e-07
d
yr
n .1878389695372713 5.0952e-09 deg/d
Q 3.146571411666933 5.6901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5818 days (15.93 yr)  
   first obs. used      2004-05-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:25:17  

Additional Information
 Earth MOID = 1.92972 au 
 Jupiter MOID = 1.90009 au 
 T_jup = 3.222 
[ 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 16.1   n/a MPO472034  

392952 (2012 WT20)          Discovered 2009-Mar-18 by CSS at Catalina
Reference: Last Updated: 2014-04-17

[ 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
1928-Feb-29 02:02 00:07 Jupiter 1.89751186857635 1.89751107007493 1.89751266708468 3.84541589849466 3.72752621201806 2425305.584685604 7.13963198293617 360.49510412493 28.263649884136 89.2369792142493 1882276.23764195 T 15 CATAB v2.0f-lin.ifort 2020-May-22 01:25:18 2020-May-22 01:25
1975-Mar-22 19:58 00:03 Jupiter 1.89906872979118 1.89906808277483 1.89906937680743 3.5935655528626 3.46722850531955 2442494.332021066 3.4188333809807 253.521055742637 27.1023400796819 -87.7311672944695 1944620.40623679 T 15 CATAB v2.0f-lin.ifort 2020-May-22 01:25:18 2020-May-22 01:25
2022-Apr-08 20:12 < 00:01 Jupiter 1.918894853498 1.918894104868 1.9188956021279 3.34152822111815 3.20670977504165 2459678.341332913 0.549452343034994 106.973814810897 31.1394641858369 -86.3713876476662 1934880.42007914 T 15 CATAB v2.0f-lin.ifort 2020-May-22 01:25:18 2020-May-22 01:25
2069-Apr-21 21:25 00:04 Jupiter 1.95866762234377 1.95866621575411 1.95866902894011 3.15222199237601 3.01191083139536 2476858.392089515 4.45490623807607 238.20546860638 37.4490630327371 -74.6234264855967 2072093.75441065 T 15 CATAB v2.0f-lin.ifort 2020-May-22 01:25:18 2020-May-22 01:25
2107-Feb-03 14:53 00:07 Jupiter 1.98227723347501 1.98227515265169 1.98227931430386 4.33181602236117 4.23202488630256 2490659.120328633 7.03624507801777 215.558473879012 41.1474929378015 -64.986059010681 1826396.05059499 T 15 CATAB v2.0f-lin.ifort 2020-May-22 01:25:18 2020-May-22 01:25
2154-Mar-01 05:43 00:11 Jupiter 1.92604790594865 1.92604566257201 1.92605014932563 4.16761162811185 4.06071940480237 2507851.738088648 10.7198127776199 145.382232773926 80.4301860283632 -59.6531186241419 945447.717099563 T 15 CATAB v2.0f-lin.ifort 2020-May-22 01:25:18 2020-May-22 01:25

Alternate Designations
 2012 WT20 = 2014 DB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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