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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09901662346805025 4.613e-08  
a 2.259516762444865 9.3327e-09 au
q 2.035787041958114 1.047e-07 au
i 4.303343039797642 3.999e-06 deg
node 304.7457819571958 6.0806e-05 deg
peri 252.1466644942677 6.3442e-05 deg
M 322.2557827745019 1.8307e-05 deg
tp 2458730.567771807750
(2019-Sep-04.06777181)
6.3176e-05 TDB
period 1240.571438295923
3.40
7.6861e-06
2.104e-08
d
yr
n .2901888507883948 1.7979e-09 deg/d
Q 2.483246482931616 1.0257e-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 = 1.03947 au 
 Jupiter MOID = 2.49444 au 
 T_jup = 3.611 
[ 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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