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187973 (2001 QP112)
Classification: Main-belt Asteroid          SPK-ID: 2187973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883317500057019 3.4235e-08  
a 2.483141622771032 1.0764e-08 au
q 2.015487215442565 8.9599e-08 au
i 11.22749242841097 8.9967e-06 deg
node 195.301399163987 2.1528e-05 deg
peri 99.39348027186632 3.7645e-05 deg
M 6.002714501723048 2.8314e-05 deg
tp 2459176.668803438473
(2020-Nov-23.16880344)
0.00011237 TDB
period 1429.225187985704
3.91
9.2929e-06
2.544e-08
d
yr
n .2518847295907026 1.6378e-09 deg/d
Q 2.9507960300995 1.2791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6877 days (18.83 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:45:35  

Additional Information
 Earth MOID = 1.03495 au 
 Jupiter MOID = 2.3478 au 
 T_jup = 3.426 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.95   n/a E2021B55  

187973 (2001 QP112)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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