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JPL Small-Body Database Browser
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379772 (2011 HK28)
Classification: Mars-crossing Asteroid          SPK-ID: 2379772
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2579059351065811 6.3595e-08  
a 2.185060318955083 1.9976e-08 au
q 1.621520294130688 1.4e-07 au
i 7.999115863536508 8.8835e-06 deg
node 162.7729051436186 4.2978e-05 deg
peri 109.0873581922037 4.764e-05 deg
M 263.5183667892511 2.6664e-05 deg
tp 2459316.680963045769
(2021-Apr-12.18096305)
9.0993e-05 TDB
period 1179.759741917342
3.23
1.6178e-05
4.429e-08
d
yr
n .3051468762740869 4.1845e-09 deg/d
Q 2.748600343779478 2.5128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6449 days (17.66 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58135  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:07:12  

Additional Information
 Earth MOID = .627899 au 
 Jupiter MOID = 2.41566 au 
 T_jup = 3.621 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO460489  

379772 (2011 HK28)          Discovered 2005-Oct-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 HK28 = 2008 OV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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