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249875 (2001 QH210)
Classification: Main-belt Asteroid          SPK-ID: 2249875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118134174079992 6.2787e-08  
a 2.699374407186965 2.0158e-08 au
q 2.380486041061265 1.6294e-07 au
i 9.138088281234209 6.4558e-06 deg
node 325.8228025927198 2.923e-05 deg
peri 355.4472150539084 3.5856e-05 deg
M 92.61126461599446 2.1295e-05 deg
tp 2458583.770322728117
(2019-Apr-10.27032273)
9.425e-05 TDB
period 1619.918315983865
4.44
1.8146e-05
4.968e-08
d
yr
n .2222334277277137 2.4894e-09 deg/d
Q 3.018262773312665 2.254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      2000-05-03  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:14:39  

Additional Information
 Earth MOID = 1.36803 au 
 Jupiter MOID = 2.29028 au 
 T_jup = 3.340 
[ 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 16.2   n/a MPO260449  

249875 (2001 QH210)          Discovered 2001-Aug-23 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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