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410142 (2007 HD28)
Classification: Main-belt Asteroid          SPK-ID: 2410142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0736467432185057 5.5637e-08  
a 3.038601264607629 4.2131e-08 au
q 2.814818177529645 1.5228e-07 au
i 15.0197790088895 1.1412e-05 deg
node 224.5408036106445 2.3786e-05 deg
peri 73.35854083975512 8.6036e-05 deg
M 108.90393774537 8.0271e-05 deg
tp 2458415.238331991302
(2018-Oct-23.73833199)
0.00043311 TDB
period 1934.67935912252
5.30
4.0237e-05
1.102e-07
d
yr
n .1860773457381998 3.87e-09 deg/d
Q 3.262384351685614 4.5234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      4630 days (12.68 yr)  
   first obs. used      2007-04-18  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:54:38  

Additional Information
 Earth MOID = 1.84366 au 
 Jupiter MOID = 1.88954 au 
 T_jup = 3.185 
[ 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 15.8   n/a MPO495080  

410142 (2007 HD28)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

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