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382162 (2012 HP42)
Classification: Main-belt Asteroid          SPK-ID: 2382162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1224694038904593 5.8279e-08  
a 2.171321023901318 1.4401e-08 au
q 1.905400632449302 1.2188e-07 au
i 6.49036215605745 1.0399e-05 deg
node 174.2166978646652 4.4865e-05 deg
peri 107.2030767579846 6.2577e-05 deg
M 255.4554858919642 4.2637e-05 deg
tp 2459735.877644280530
(2022-Jun-05.37764428)
0.00013905 TDB
period 1168.650052883069
3.20
1.1626e-05
3.183e-08
d
yr
n .3080477334612506 3.0646e-09 deg/d
Q 2.437241415353334 1.6165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1999-03-18  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:53:05  

Additional Information
 Earth MOID = .901149 au 
 Jupiter MOID = 2.68541 au 
 T_jup = 3.670 
[ 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 18.18   n/a MPCxxxxx  

382162 (2012 HP42)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 HP42 = 2003 SP114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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