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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901774506071868 4.8279e-08  
a 2.296381518187758 6.1411e-09 au
q 1.859661535437349 1.1008e-07 au
i 7.36987729219108 4.8815e-06 deg
node 21.41046236591895 2.5181e-05 deg
peri 338.1687876619056 2.7374e-05 deg
M 339.7545050356463 1.1646e-05 deg
tp 2458671.980962118146
(2019-Jul-07.48096212)
4.121e-05 TDB
period 1271.055432719279
3.48
5.0987e-06
1.396e-08
d
yr
n .2832291894853248 1.1361e-09 deg/d
Q 2.733101500938167 7.309e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1254  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1991-09-12  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:00:07  

Additional Information
 Earth MOID = .858276 au 
 Jupiter MOID = 2.71779 au 
 T_jup = 3.560 
[ 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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