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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932366990241075 7.9134e-08  
a 2.462842986829348 1.7182e-08 au
q 1.986931337839771 1.8788e-07 au
i 2.104371379533823 6.5163e-06 deg
node 200.5014883754751 0.00011943 deg
peri 162.9714149751462 0.0001208 deg
M 205.2100878245291 2.7766e-05 deg
tp 2459607.506955818526
(2022-Jan-28.00695582)
0.00011458 TDB
period 1411.736081657251
3.87
1.4773e-05
4.045e-08
d
yr
n .2550051703554905 2.6685e-09 deg/d
Q 2.938754635818925 2.0502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      8888 days (24.33 yr)  
   first obs. used      1995-12-25  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:57:55  

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 16.2   n/a MPO412742  

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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