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21112 (1992 RY3)
Classification: Main-belt Asteroid          SPK-ID: 2021112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717310612387831 3.0512e-08  
a 2.282521693640325 8.6424e-09 au
q 1.890541820890927 6.9632e-08 au
i 5.869033151438106 3.6047e-06 deg
node 332.6812997357295 3.7573e-05 deg
peri 332.7673401311027 3.9299e-05 deg
M 156.3658550886721 1.2298e-05 deg
tp 2458849.408180390249
(2019-Dec-31.90818039)
4.225e-05 TDB
period 1259.565619027389
3.45
7.1537e-06
1.959e-08
d
yr
n .2858128187700015 1.6233e-09 deg/d
Q 2.674501566389723 1.0127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1150  
   data-arc span      10390 days (28.45 yr)  
   first obs. used      1992-09-02  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:39:30  

Additional Information
 Earth MOID = .877403 au 
 Jupiter MOID = 2.57347 au 
 T_jup = 3.578 
[ 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 15.63   n/a MPCxxxxx  

21112 (1992 RY3)          Discovered 1992-Sep-02 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1992 RY3 = 1999 TO111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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