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441473 (2008 RJ94)
Classification: Main-belt Asteroid          SPK-ID: 2441473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082079237699221 8.0051e-08  
a 2.375083511133318 1.5306e-08 au
q 1.880572304500073 1.8812e-07 au
i 2.483875331880836 8.6489e-06 deg
node 183.2608930929424 0.00017212 deg
peri 195.8031698493112 0.00017457 deg
M 326.6193616042179 2.2241e-05 deg
tp 2458724.467799188288
(2019-Aug-28.96779919)
8.2617e-05 TDB
period 1336.954889197773
3.66
1.2923e-05
3.538e-08
d
yr
n .2692686214835674 2.6028e-09 deg/d
Q 2.869594717766562 1.8492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4099 days (11.22 yr)  
   first obs. used      2008-09-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:04  

Additional Information
 Earth MOID = .882097 au 
 Jupiter MOID = 2.5878 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457607.5 (2016-Aug-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092592359442198 8.0594e-08  
q 1.87776402583057 1.8967e-07 au
tp 2457384.996272882155
(2015-Dec-28.49627288)
8.1564e-05 TDB
node 183.295506150641 0.00017198 deg
peri 195.2905244875676 0.00017437 deg
i 2.484178648809423 8.6558e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      4099 days (11.22 yr)  
   first obs. used      2008-09-06  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:04  

Additional Information
 Jupiter MOID = 2.5878 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.495447889097396E-15 -1.525677978337245E-14 -1.966357439971148E-13 6.255719811202546E-14 -3.491072648480252E-13 -1.179262333557043E-14
q -1.525677978337245E-14 3.597506457491537E-14 3.765978665802242E-13 -1.447696102009187E-13 8.009346008585539E-13 2.80010183386006E-14
tp -1.966357439971148E-13 3.765978665802242E-13 6.652707733919667E-9 8.183900389676956E-11 2.374018325568406E-9 -5.525325061930224E-12
node 6.255719811202546E-14 -1.447696102009187E-13 8.183900389676956E-11 2.957577773648678E-8 -2.951842738807169E-8 6.02763599015082E-10
peri -3.491072648480252E-13 8.009346008585539E-13 2.374018325568406E-9 -2.951842738807169E-8 3.040451818978478E-8 -6.038149409484967E-10
i -1.179262333557043E-14 2.80010183386006E-14 -5.525325061930224E-12 6.02763599015082E-10 -6.038149409484967E-10 7.492259849132402E-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 18.1   n/a MPO402740  

441473 (2008 RJ94)          Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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