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52302 (1991 RL8)
Classification: Main-belt Asteroid          SPK-ID: 2052302
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903577888125235 4.7665e-08  
a 2.296804409279423 6.0568e-09 au
q 1.859589800594137 1.0866e-07 au
i 7.369228813573884 4.6571e-06 deg
node 21.40458442763126 2.4953e-05 deg
peri 338.205997558384 2.7089e-05 deg
M 92.99344659846059 1.1611e-05 deg
tp 2458672.076450788024
(2019-Jul-07.57645079)
4.0592e-05 TDB
period 1271.406556494578
3.48
5.0292e-06
1.377e-08
d
yr
n .2831509702078016 1.12e-09 deg/d
Q 2.734019017964708 7.2098e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      10369 days (28.39 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:25:56  

Additional Information
 Earth MOID = .859072 au 
 Jupiter MOID = 2.72052 au 
 T_jup = 3.559 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO452881  
diameter diameter 2.558 km 0.591 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52302 (1991 RL8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RL8 = 1998 SF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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