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JPL Small-Body Database Browser
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379880 (2012 HL51)
Classification: Main-belt Asteroid          SPK-ID: 2379880
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624524181122445 1.1238e-07  
a 2.368725665574271 5.1681e-08 au
q 1.983920453357195 2.8795e-07 au
i 2.912888239204957 1.1693e-05 deg
node 183.5500290415826 0.00017757 deg
peri 83.59010829097515 0.00018743 deg
M 286.8234602912757 7.8307e-05 deg
tp 2458871.169888415741
(2020-Jan-22.66988842)
0.00029676 TDB
period 1331.590154679717
3.65
4.3579e-05
1.193e-07
d
yr
n .2703534557797851 8.848e-09 deg/d
Q 2.753530877791347 6.0077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      5125 days (14.03 yr)  
   first obs. used      2005-02-16  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70427  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:41:00  

Additional Information
 Earth MOID = .970182 au 
 Jupiter MOID = 2.33017 au 
 T_jup = 3.526 
[ 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 17.7   n/a MPO274871  

379880 (2012 HL51)          Discovered 2009-Aug-26 by CSS at Catalina
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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