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JPL Small-Body Database Browser
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27763 (1991 RN22)
Classification: Main-belt Asteroid          SPK-ID: 2027763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078739727021373 3.7042e-08  
a 2.259999896948357 7.334e-09 au
q 1.790204740063281 8.3266e-08 au
i 4.955646074377699 3.5824e-06 deg
node 10.89080283165985 4.8836e-05 deg
peri 291.3669182542333 4.9676e-05 deg
M 194.2737468860147 8.1188e-06 deg
tp 2459571.781113644903
(2021-Dec-23.28111365)
2.8288e-05 TDB
period 1240.969351854669
3.40
6.0407e-06
1.654e-08
d
yr
n .2900958024966275 1.4121e-09 deg/d
Q 2.729795053833432 8.8585e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      10357 days (28.36 yr)  
   first obs. used      1991-09-15  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:09:50  

Additional Information
 Earth MOID = .78243 au 
 Jupiter MOID = 2.52192 au 
 T_jup = 3.587 
[ 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 15.6   n/a MPO351018  

27763 (1991 RN22)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RN22 = 1998 UL31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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