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442178 (2010 XH40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442178
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09093051205466 9.4848e-08  
a 3.238473383013129 9.6903e-08 au
q 2.943997340020359 3.4858e-07 au
i 18.32422245530799 7.0806e-06 deg
node 88.19286966925618 2.9549e-05 deg
peri 287.8133683880617 5.444e-05 deg
M 275.0030117886812 5.4812e-05 deg
tp 2459503.085507516514
(2021-Oct-15.58550752)
0.00034022 TDB
period 2128.672868456427
5.83
9.5543e-05
2.616e-07
d
yr
n .1691194571672481 7.5907e-09 deg/d
Q 3.5329494260059 1.0571e-07 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      4879 days (13.36 yr)  
   first obs. used      2006-01-22  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:28  

Additional Information
 Earth MOID = 2.01095 au 
 Jupiter MOID = 1.95146 au 
 T_jup = 3.098 
[ 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 15.0   n/a MPO437719  

442178 (2010 XH40)          Discovered 2006-Jan-22 by CSS at Catalina
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2010 XH40 = 2012 DC31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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