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21115 (1992 RL7)
Classification: Main-belt Asteroid          SPK-ID: 2021115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786174043076438 3.4884e-08  
a 2.366385532870228 7.0795e-09 au
q 1.943707891397787 8.1206e-08 au
i 2.754043299710482 3.0593e-06 deg
node 111.9141378427315 8.6212e-05 deg
peri 312.229281476 8.6783e-05 deg
M 222.61655159119 1.0032e-05 deg
tp 2459707.909497212407
(2022-May-08.40949721)
3.7931e-05 TDB
period 1329.617367391345
3.64
5.9667e-06
1.634e-08
d
yr
n .2707545861154816 1.215e-09 deg/d
Q 2.789063174342669 8.344e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1252  
   data-arc span      16664 days (45.62 yr)  
   first obs. used      1974-11-09  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:39:41  

Additional Information
 Earth MOID = .95781 au 
 Jupiter MOID = 2.51895 au 
 T_jup = 3.524 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.26   n/a E2021B10  

21115 (1992 RL7)          Discovered 1992-Sep-02 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 RL7 = 1974 VC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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