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JPL Small-Body Database Browser
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376428 (2012 HQ7)
Classification: Main-belt Asteroid          SPK-ID: 2376428
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532496286399361 9.5695e-08  
a 2.372724449595669 2.9983e-08 au
q 2.009105308830236 2.3458e-07 au
i 1.092750784662927 1.1428e-05 deg
node 186.9021870878926 0.00036195 deg
peri 62.36420651056969 0.00036384 deg
M 49.54659721215523 4.5864e-05 deg
tp 2458816.769728242668
(2019-Nov-29.26972824)
0.00016788 TDB
period 1334.963479922147
3.65
2.5304e-05
6.928e-08
d
yr
n .2696702984122043 5.1116e-09 deg/d
Q 2.736343590361102 3.4578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6553 days (17.94 yr)  
   first obs. used      2001-04-28  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:37:15  

Additional Information
 Earth MOID = .99541 au 
 Jupiter MOID = 2.29114 au 
 T_jup = 3.527 
[ 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 17.8   n/a MPO434330  

376428 (2012 HQ7)          Discovered 2008-Feb-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2012 HQ7 = 2008 EP169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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