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JPL Small-Body Database Browser
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442765 (2012 XH77)
Classification: Main-belt Asteroid          SPK-ID: 2442765
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08050083126443498 8.6035e-08  
a 2.692060477237425 7.5606e-08 au
q 2.475347371005681 2.7988e-07 au
i 2.311851458232147 1.0086e-05 deg
node 189.6612310494941 0.00023097 deg
peri 129.8630496503006 0.00025722 deg
M 257.4622412317858 0.00012177 deg
tp 2459060.022694517518
(2020-Jul-29.52269452)
0.00056121 TDB
period 1613.339047133413
4.42
6.7966e-05
1.861e-07
d
yr
n .2231397055935944 9.4003e-09 deg/d
Q 2.90877358346917 8.1693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4221 days (11.56 yr)  
   first obs. used      2007-10-04  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:57:52  

Additional Information
 Earth MOID = 1.46225 au 
 Jupiter MOID = 2.30774 au 
 T_jup = 3.366 
[ 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 17.5   n/a MPO434644  

442765 (2012 XH77)          Discovered 2011-Jul-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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