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JPL Small-Body Database Browser
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324798 (2007 HO20)
Classification: Main-belt Asteroid          SPK-ID: 2324798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0757633561833661 5.9825e-08  
a 3.005255447217984 4.2564e-08 au
q 2.777567208348407 1.8345e-07 au
i 11.22845396340943 8.1609e-06 deg
node 40.73783361703651 2.5139e-05 deg
peri 278.954750521473 6.5697e-05 deg
M 18.56981153941935 6.2016e-05 deg
tp 2458502.342042737943
(2019-Jan-18.84204274)
0.00032821 TDB
period 1902.919937519496
5.21
4.0427e-05
1.107e-07
d
yr
n .1891829461145218 4.0191e-09 deg/d
Q 3.232943686087562 4.5789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      4606 days (12.61 yr)  
   first obs. used      2007-04-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55858  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 22:08:26  

Additional Information
 Earth MOID = 1.79348 au 
 Jupiter MOID = 2.01931 au 
 T_jup = 3.218 
[ 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 15.7   n/a MPO503349  
rotation period rot_per 6.08 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

324798 (2007 HO20)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

Alternate Designations
 2007 HO20 = 2009 WV170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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