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JPL Small-Body Database Browser
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52306 (1991 RF20)
Classification: Main-belt Asteroid          SPK-ID: 2052306
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374196040072458 5.1731e-08  
a 2.357469960707742 1.2671e-08 au
q 2.033507372248307 1.2591e-07 au
i 6.600199609053971 5.2375e-06 deg
node 330.1963209658473 4.4178e-05 deg
peri 14.53859469678189 4.7942e-05 deg
M 343.6244955724869 2.2271e-05 deg
tp 2459060.639507092154
(2020-Jul-30.13950709)
8.2059e-05 TDB
period 1322.110268359142
3.62
1.0659e-05
2.918e-08
d
yr
n .2722919627927801 2.1953e-09 deg/d
Q 2.681432549167178 1.4413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      10119 days (27.70 yr)  
   first obs. used      1991-09-13  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:25:55  

Additional Information
 Earth MOID = 1.02637 au 
 Jupiter MOID = 2.70466 au 
 T_jup = 3.532 
[ 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 15.3   n/a MPO385152  

52306 (1991 RF20)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RF20 = 1995 YM22 = 2002 RV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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