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JPL Small-Body Database Browser
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379876 (2012 HX44)
Classification: Main-belt Asteroid          SPK-ID: 2379876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156757211580922 5.6343e-08  
a 2.305589602676086 1.4527e-08 au
q 1.944171805510617 1.3199e-07 au
i 4.955562157075772 8.4407e-06 deg
node 207.0635048464443 6.2579e-05 deg
peri 76.03268864205714 7.3484e-05 deg
M 312.6058659537635 3.0915e-05 deg
tp 2458768.842404507775
(2019-Oct-12.34240451)
0.00010947 TDB
period 1278.708153284875
3.50
1.2085e-05
3.309e-08
d
yr
n .2815341398075829 2.6608e-09 deg/d
Q 2.667007399841555 1.6804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:38  

Additional Information
 Earth MOID = .934552 au 
 Jupiter MOID = 2.47327 au 
 T_jup = 3.567 
[ 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 18.0   n/a MPO267557  

379876 (2012 HX44)          Discovered 1999-Oct-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2012 HX44 = 1999 TQ85 = 2002 RZ293 = 2008 EE81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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