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100969 (1998 QV21)
Classification: Main-belt Asteroid          SPK-ID: 2100969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932366931596143 7.8455e-08  
a 2.46284298555168 1.7031e-08 au
q 1.986931351252321 1.8639e-07 au
i 2.104371272264137 6.5155e-06 deg
node 200.5014672449472 0.00011749 deg
peri 162.9714363142917 0.00011889 deg
M 205.2100888489503 2.771e-05 deg
tp 2459607.506951328916
(2022-Jan-28.00695133)
0.00011432 TDB
period 1411.736080558685
3.87
1.4643e-05
4.009e-08
d
yr
n .2550051705539271 2.6451e-09 deg/d
Q 2.938754619851038 2.0322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      8913 days (24.40 yr)  
   first obs. used      1995-12-25  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:12  

Additional Information
 Earth MOID = .984769 au 
 Jupiter MOID = 2.52198 au 
 T_jup = 3.462 
[ 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 16.24   n/a E2021B55  

100969 (1998 QV21)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QV21 = 2002 RE84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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