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JPL Small-Body Database Browser
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376444 (2012 HC45)
Classification: Main-belt Asteroid          SPK-ID: 2376444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01337294754050841 7.3144e-08  
a 2.625945793485951 2.8463e-08 au
q 2.590829158145445 1.9565e-07 au
i 6.814741092464719 7.7663e-06 deg
node 54.39254301649053 5.6745e-05 deg
peri 134.5129235087634 0.00024711 deg
M 354.7996106620736 0.00024148 deg
tp 2459022.952278499012
(2020-Jun-22.45227850)
0.0010426 TDB
period 1554.272138952467
4.26
2.5271e-05
6.919e-08
d
yr
n .2316196700550968 3.7659e-09 deg/d
Q 2.661062428826457 2.8844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      7207 days (19.73 yr)  
   first obs. used      1999-03-21  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54461  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:59:23  

Additional Information
 Earth MOID = 1.58877 au 
 Jupiter MOID = 2.30167 au 
 T_jup = 3.392 
[ 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 16.7   n/a MPO418907  

376444 (2012 HC45)          Discovered 2001-Nov-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2012 HC45 = 2001 WX76 = 2009 ST226 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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