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22323 (1991 RC6)
Classification: Main-belt Asteroid          SPK-ID: 2022323
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948383585993096 9.7437e-08  
a 2.555454276320225 3.0488e-08 AU
q 2.057553759646405 2.3487e-07 AU
i 13.63302798329297 8.4184e-06 deg
node 20.6371440255937 2.6106e-05 deg
peri 339.2141488207907 3.5177e-05 deg
M 248.391090531161 3.4336e-05 deg
tp 2457463.090769699051
(2016-Mar-15.59076970)
0.00014763 JED
period 1492.109168382782
4.09
2.6702e-05
7.311e-08
d
yr
n .241269209805999 4.3177e-09 deg/d
Q 3.053354792994044 3.6428e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53871  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:53:24  

Additional Information
 Earth MOID = 1.06117 AU 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO250431  

22323 (1991 RC6)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RC6 = 1998 HP72 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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