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JPL Small-Body Database Browser
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108176 (2001 HK12)
Classification: Main-belt Asteroid          SPK-ID: 2108176
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268254459003792 3.9263e-08  
a 2.233993942231721 1.0922e-08 au
q 1.950666664369436 8.7835e-08 au
i 1.281806941485548 4.4562e-06 deg
node 133.8571807504179 0.00020197 deg
peri 108.8652842075278 0.00020342 deg
M 239.112885315622 2.8191e-05 deg
tp 2459410.042450754801
(2021-Jul-14.54245075)
9.7343e-05 TDB
period 1219.611227025018
3.34
8.9444e-06
2.449e-08
d
yr
n .2951760298879367 2.1648e-09 deg/d
Q 2.517321220094005 1.2308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1995-08-29  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:04:01  

Additional Information
 Earth MOID = .938155 au 
 Jupiter MOID = 2.48877 au 
 T_jup = 3.629 
[ 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 16.6   n/a MPO453539  

108176 (2001 HK12)          Discovered 2001-Apr-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 HK12 = 1998 MH44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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