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JPL Small-Body Database Browser
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376458 (2012 HD71)
Classification: Main-belt Asteroid          SPK-ID: 2376458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081484727023392 4.1131e-08  
a 2.553025136824367 2.7477e-08 au
q 2.276919367506131 1.0339e-07 au
i 3.573843255109372 7.1802e-06 deg
node 47.17041452213144 8.8572e-05 deg
peri 239.1289937643518 9.6483e-05 deg
M 300.5208290059538 3.7463e-05 deg
tp 2459246.674729380382
(2021-Feb-01.17472938)
0.00015547 TDB
period 1489.982141577065
4.08
2.4054e-05
6.586e-08
d
yr
n .2416136341197751 3.9006e-09 deg/d
Q 2.829130906142602 3.0449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6263 days (17.15 yr)  
   first obs. used      2001-11-16  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:21:39  

Additional Information
 Earth MOID = 1.26309 au 
 Jupiter MOID = 2.29896 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457237.5 (2015-Aug-03.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077186509474666 4.1341e-08  
q 2.279940523282716 1.0387e-07 au
tp 2457753.504394228023
(2016-Dec-31.00439423)
0.00015491 TDB
node 47.2133226760001 8.8602e-05 deg
peri 238.3921468053219 9.6525e-05 deg
i 3.572736180130891 7.1754e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6263 days (17.15 yr)  
   first obs. used      2001-11-16  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:21:39  

Additional Information
 Jupiter MOID = 2.29896 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.70905019685141E-15 -4.175661247982848E-15 -7.150401524639146E-13 -1.758070444132906E-14 -1.83456226479227E-13 2.053466926500808E-15
q -4.175661247982848E-15 1.078860394072156E-14 1.751875000347753E-12 4.617763746743066E-14 3.98598572551414E-13 -5.002283234236322E-15
tp -7.150401524639146E-13 1.751875000347753E-12 2.399736201279775E-8 -3.486205040583971E-11 5.954863493599047E-9 -1.274010764164181E-11
node -1.758070444132906E-14 4.617763746743066E-14 -3.486205040583971E-11 7.850344624612408E-9 -7.843184255288776E-9 -2.487933256292453E-10
peri -1.83456226479227E-13 3.98598572551414E-13 5.954863493599047E-9 -7.843184255288776E-9 9.317071597804027E-9 2.451446386650314E-10
i 2.053466926500808E-15 -5.002283234236322E-15 -1.274010764164181E-11 -2.487933256292453E-10 2.451446386650314E-10 5.148641842426854E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO423381  

376458 (2012 HD71)          Discovered 2005-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-10-21

Alternate Designations
 2012 HD71 = 2005 WL124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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