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78477 (2002 RF51)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078477
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632919930068248 8.7919e-08  
a 3.984765411104638 4.6318e-08 au
q 3.334085125460702 3.4862e-07 au
i 8.378861310419843 9.3811e-06 deg
node 24.61410373523796 3.2659e-05 deg
peri 347.6217414757081 3.5239e-05 deg
M 78.75318874845766 1.3372e-05 deg
tp 2458364.922942423622
(2018-Sep-03.42294242)
0.00010482 TDB
period 2905.377475676847
7.95
5.0657e-05
1.387e-07
d
yr
n .1239081678762355 2.1604e-09 deg/d
Q 4.635445696748574 5.3881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-08-31  
   last obs. used      2020-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:42  

Additional Information
 Earth MOID = 2.33533 au 
 Jupiter MOID = .828208 au 
 T_jup = 3.014 
[ 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 13.9   n/a MPO412654  
diameter diameter 7.622 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.084   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

78477 (2002 RF51)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RF51 = 2001 OY35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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