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249874 (2001 QH207)
Classification: Main-belt Asteroid          SPK-ID: 2249874
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06048046604546053 8.3136e-08  
a 2.695040821686828 2.1824e-08 au
q 2.532043496779668 2.1783e-07 au
i 24.25320345742637 5.9249e-06 deg
node 260.6839495328219 1.5406e-05 deg
peri 69.2805532127976 6.2617e-05 deg
M 100.6315065406284 5.902e-05 deg
tp 2458548.771051872825
(2019-Mar-06.27105187)
0.00026483 TDB
period 1616.018947904022
4.42
1.9629e-05
5.374e-08
d
yr
n .222769665211488 2.7059e-09 deg/d
Q 2.858038146593988 2.3144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      6786 days (18.58 yr)  
   first obs. used      2001-06-27  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:28:02  

Additional Information
 Earth MOID = 1.58252 au 
 Jupiter MOID = 2.3546 au 
 T_jup = 3.241 
[ 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 15.3   n/a MPO503177  

249874 (2001 QH207)          Discovered 2001-Aug-23 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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