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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948861752213809 1.0373e-07  
a 2.555189044758461 2.7868e-08 AU
q 2.057218024857911 2.5388e-07 AU
i 13.63391377597989 9.7869e-06 deg
node 20.63809079530358 2.9647e-05 deg
peri 339.2484615231493 3.8799e-05 deg
M 200.0893778337283 3.6174e-05 deg
tp 2457463.185997791765
(2016-Mar-15.68599779)
0.00015737 JED
period 1491.876874551702
4.08
2.4407e-05
6.682e-08
d
yr
n .2413067768130513 3.9477e-09 deg/d
Q 3.053160064659012 3.3299e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54745  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:18:09  

Additional Information
 Earth MOID = 1.0594 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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