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52081 (2002 RM71)
Classification: Main-belt Asteroid          SPK-ID: 2052081
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09246883476080572 3.7838e-08  
a 2.405768317968601 1.0108e-08 au
q 2.183309724901581 8.9955e-08 au
i 5.473071097001211 4.0201e-06 deg
node 252.6030731433591 3.8803e-05 deg
peri 347.3946237680374 4.4724e-05 deg
M .2630744254075325 2.0335e-05 deg
tp 2458999.504009356683
(2020-May-30.00400936)
7.6992e-05 TDB
period 1362.947504451042
3.73
8.5897e-06
2.352e-08
d
yr
n .264133430542505 1.6646e-09 deg/d
Q 2.628226911035621 1.1043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      10479 days (28.69 yr)  
   first obs. used      1991-10-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:02:42  

Additional Information
 Earth MOID = 1.17099 au 
 Jupiter MOID = 2.38078 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09302495667451428 3.785e-08  
q 2.181991901011269 9.0115e-08 au
tp 2457634.849356033605
(2016-Sep-03.34935603)
7.9912e-05 TDB
node 252.6835095679655 3.8807e-05 deg
peri 346.9668174360525 4.4637e-05 deg
i 5.47306264223839 4.0192e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      10479 days (28.69 yr)  
   first obs. used      1991-10-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:02:42  

Additional Information
 Jupiter MOID = 2.38078 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.432620688746464E-15 -3.393716440804052E-15 -8.481501138528161E-13 -1.130026687801322E-14 -2.226126856178724E-13 -4.267588687075964E-16
q -3.393716440804052E-15 8.12071056788075E-15 1.71259150420736E-12 2.71593563117486E-14 4.410263493269328E-13 1.123207355251365E-15
tp -8.481501138528161E-13 1.71259150420736E-12 6.38597712950225E-9 5.761549691187813E-12 1.775643519776048E-9 -2.538260636828765E-13
node -1.130026687801322E-14 2.71593563117486E-14 5.761549691187813E-12 1.506000223853518E-9 -1.497174109930202E-9 -4.534818526572591E-11
peri -2.226126856178724E-13 4.410263493269328E-13 1.775643519776048E-9 -1.497174109930202E-9 1.992498276193128E-9 4.505953458489743E-11
i -4.267588687075964E-16 1.123207355251365E-15 -2.538260636828765E-13 -4.534818526572591E-11 4.505953458489743E-11 1.615390932841565E-11

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 15.9   n/a MPO432078  

52081 (2002 RM71)          Discovered 2002-Sep-05 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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