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390083 (2012 UW140)
Classification: Main-belt Asteroid          SPK-ID: 2390083
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214849529128067 5.5577e-08  
a 2.643014126608759 2.4373e-08 au
q 2.321927679889811 1.5907e-07 au
i 4.442835656680795 7.6279e-06 deg
node 186.9044220796356 8.5907e-05 deg
peri 233.2278276663546 9.432e-05 deg
M 300.8672942669044 4.1621e-05 deg
tp 2459458.294058735556
(2021-Aug-31.79405874)
0.00018329 TDB
period 1569.450611032303
4.30
2.1709e-05
5.944e-08
d
yr
n .2293796297057164 3.1729e-09 deg/d
Q 2.964100573327707 2.7334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      9073 days (24.84 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:44:00  

Additional Information
 Earth MOID = 1.3368 au 
 Jupiter MOID = 2.35171 au 
 T_jup = 3.379 
[ 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 17.32   n/a E2021B25  

390083 (2012 UW140)          Discovered 2010-Mar-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

[ 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
1909-May-10 23:48 00:05 Amphi 0.0240386327404575 0.0240046061326163 0.0240726612830111 3.71023501248636 3.71023494803058 2418437.491848620 4.58153961677433 1729.78052457534 127.828609790353 -11.3996674112823 5917.85225519819 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:44:01 2020-Nov-12 16:44
1991-Jan-03 19:46 00:01 Amphi 0.019172398790098 0.0191643358943607 0.0191804617635151 3.63125279265441 3.63125271008102 2448260.323540838 1.31457093093784 406.779473876075 112.887401784755 -9.32904016151025 8079.75847599009 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:44:01 2020-Nov-12 16:44
2072-Aug-31 00:56 00:02 Amphi 0.015833870338881 0.0158151776524035 0.0158525659369545 3.61703271099005 3.61703261061321 2478085.539206272 2.29198150211155 992.352542140368 132.737537517616 -20.3403745231158 6589.48568117554 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:44:01 2020-Nov-12 16:44
2091-Jan-17 09:41 00:04 Hebe 0.042146515369689 0.0421230682553555 0.0421699660010228 4.43334555427026 4.43334552099938 2484798.903296893 4.09251113166373 1317.18250581141 62.2763611291535 -27.5036458664376 46921.3370655663 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:44:01 2020-Nov-12 16:44
2154-Apr-27 19:29 00:05 Amphi 0.0330487185368385 0.0330028280994222 0.0330946118410762 3.59997415344426 3.59997410512513 2507909.311740051 4.54534318093735 2337.99773360744 133.788883298885 -12.0113508589802 7957.85062972132 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 16:44:01 2020-Nov-12 16:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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