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52397 (1993 RF7)
Classification: Main-belt Asteroid          SPK-ID: 2052397
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697528487325144 4.8156e-08  
a 2.614474983669447 1.5985e-08 au
q 2.170660407251664 1.3159e-07 au
i 1.749069471048468 3.6428e-06 deg
node 268.731372253838 0.00016069 deg
peri 75.51981097548115 0.00016107 deg
M 127.98973105011 1.1302e-05 deg
tp 2458451.531040649806
(2018-Nov-29.03104065)
4.6824e-05 TDB
period 1544.099075328904
4.23
1.4161e-05
3.877e-08
d
yr
n .2331456612803925 2.1381e-09 deg/d
Q 3.058289560087229 1.8698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      9636 days (26.38 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:27:36  

Additional Information
 Earth MOID = 1.16386 au 
 Jupiter MOID = 2.35132 au 
 T_jup = 3.387 
[ 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 15.2   n/a MPO452882  
diameter diameter 2.883 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52397 (1993 RF7)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 RF7 = 2000 ED65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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