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JPL Small-Body Database Browser
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97981 (2000 QH171)
Classification: Main-belt Asteroid          SPK-ID: 2097981
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09939628706976321 4.614e-08  
a 2.260462256724617 9.3235e-09 au
q 2.035780701344852 1.0481e-07 au
i 4.303837126563299 3.9998e-06 deg
node 304.73784991566 6.0781e-05 deg
peri 252.3287529903662 6.3397e-05 deg
M 78.12738680903556 1.8326e-05 deg
tp 2458731.101536525537
(2019-Sep-04.60153653)
6.299e-05 TDB
period 1241.350195007296
3.40
7.6801e-06
2.103e-08
d
yr
n .2900068018258812 1.7942e-09 deg/d
Q 2.485143812104381 1.025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      7326 days (20.06 yr)  
   first obs. used      1999-04-11  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:41:06  

Additional Information
 Earth MOID = 1.0391 au 
 Jupiter MOID = 2.49143 au 
 T_jup = 3.610 
[ 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 15.9   n/a MPO366351  

97981 (2000 QH171)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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