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212715 (2007 RO92)
Classification: Main-belt Asteroid          SPK-ID: 2212715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158396509512795 7.2342e-08  
a 2.314793722036856 1.5294e-08 au
q 2.046648825251893 1.7204e-07 au
i 4.837523274061846 9.1099e-06 deg
node 1.827404094135098 5.4669e-05 deg
peri 46.6402133534198 6.4694e-05 deg
M 181.4736768345084 3.7601e-05 deg
tp 2459638.420605350367
(2022-Feb-27.92060535)
0.0001385 TDB
period 1286.372865659975
3.52
1.2748e-05
3.49e-08
d
yr
n .2798566493512763 2.7735e-09 deg/d
Q 2.582938618821818 1.7065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:49:28  

Additional Information
 Earth MOID = 1.05964 au 
 Jupiter MOID = 2.75342 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456929.5 (2014-Sep-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148277251439158 7.2022e-08  
q 2.049390614350799 1.7111e-07 au
tp 2457065.304458260939
(2015-Feb-11.80445826)
0.00012463 TDB
node 1.850664070676542 5.4661e-05 deg
peri 46.66445685065036 6.4896e-05 deg
i 4.838239302750639 9.1067e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56386  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:49:28  

Additional Information
 Jupiter MOID = 2.75342 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.187185646863207E-15 -1.228836384389396E-14 -5.698391078722586E-12 -1.668933006759081E-14 -1.506158119794612E-12 -2.749413081529484E-15
q -1.228836384389396E-14 2.927865682617802E-14 1.408999016760429E-11 3.973902926430298E-14 3.728888098969519E-12 6.976178924839262E-15
tp -5.698391078722586E-12 1.408999016760429E-11 1.553165014298542E-8 3.847774342841422E-12 4.365026533106307E-9 1.05079095309858E-12
node -1.668933006759081E-14 3.973902926430298E-14 3.847774342841422E-12 2.987823707697919E-9 -2.975268418188767E-9 1.184296546378215E-10
peri -1.506158119794612E-12 3.728888098969519E-12 4.365026533106307E-9 -2.975268418188767E-9 4.211512548945108E-9 -1.17645504955511E-10
i -2.749413081529484E-15 6.976178924839262E-15 1.05079095309858E-12 1.184296546378215E-10 -1.17645504955511E-10 8.293216782530383E-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 17.2   n/a MPO470282  

212715 (2007 RO92)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 RO92 = 2005 AJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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