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392869 (2012 UW100)
Classification: Main-belt Asteroid          SPK-ID: 2392869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574962491167594 8.2482e-08  
a 2.650634256932536 3.9922e-08 au
q 2.233169303685273 2.1449e-07 au
i 4.034359204138153 9.2512e-06 deg
node 60.15925781211979 0.00013727 deg
peri 17.89190044840275 0.00014626 deg
M 245.6989131655009 5.0314e-05 deg
tp 2459500.961871661995
(2021-Oct-13.46187166)
0.00022633 TDB
period 1576.24287561839
4.32
3.5611e-05
9.75e-08
d
yr
n .2283911988238267 5.1599e-09 deg/d
Q 3.068099210179799 4.621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      5229 days (14.32 yr)  
   first obs. used      2005-02-02  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52448  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:18  

Additional Information
 Earth MOID = 1.24899 au 
 Jupiter MOID = 2.18345 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457061.5 (2015-Feb-08.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592340998235654 8.4548e-08  
q 2.226653274475598 2.2251e-07 au
tp 2456345.526893299540
(2013-Feb-22.02689330)
0.00018725 TDB
node 60.24820750647908 0.00013674 deg
peri 16.88102224520697 0.00014546 deg
i 4.044687165149407 9.2765e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      5229 days (14.32 yr)  
   first obs. used      2005-02-02  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52448  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:18  

Additional Information
 Jupiter MOID = 2.18345 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.148368674997805E-15 -1.860473159778059E-14 -6.077896018585779E-12 -6.844872993706006E-14 -1.707563609284861E-12 4.499391291335054E-15
q -1.860473159778059E-14 4.95101264081965E-14 1.837717910180966E-11 2.036235676199982E-13 5.200480982607398E-12 -1.485029016429548E-14
tp -6.077896018585779E-12 1.837717910180966E-11 3.506412385381859E-8 2.626269696869559E-10 9.376824218446426E-9 -4.049577471111085E-11
node -6.844872993706006E-14 2.036235676199982E-13 2.626269696869559E-10 1.869663062933503E-8 -1.857557257190386E-8 -2.743786818363314E-10
peri -1.707563609284861E-12 5.200480982607398E-12 9.376824218446426E-9 -1.857557257190386E-8 2.115916112000862E-8 2.62806776802974E-10
i 4.499391291335054E-15 -1.485029016429548E-14 -4.049577471111085E-11 -2.743786818363314E-10 2.62806776802974E-10 8.60542749516738E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO437608  

392869 (2012 UW100)          Discovered 2005-Feb-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 UW100 = 2005 CH42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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