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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1718280542720956 3.1317e-08  
a 2.282159667119025 8.7527e-09 au
q 1.89002061197971 7.1558e-08 au
i 5.868976269127519 3.7366e-06 deg
node 332.6828935820677 3.7989e-05 deg
peri 332.71707341 3.9728e-05 deg
M 100.3937082613409 1.2235e-05 deg
tp 2458849.326722498567
(2019-Dec-31.82672250)
4.2341e-05 TDB
period 1259.265964869213
3.45
7.2445e-06
1.983e-08
d
yr
n .2858808306134038 1.6447e-09 deg/d
Q 2.674298722258341 1.0257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      10365 days (28.38 yr)  
   first obs. used      1992-09-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:51:00  

Additional Information
 Earth MOID = .875449 au 
 Jupiter MOID = 2.57443 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 15.5   n/a MPO435896  

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

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