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JPL Small-Body Database Browser
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233531 (2007 HM61)
Classification: Main-belt Asteroid          SPK-ID: 2233531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .07453828049001272 4.7034e-08  
a 2.347355450608921 1.238e-08 au
q 2.172387611621673 1.1379e-07 au
i 6.675887398301121 4.7589e-06 deg
node 141.9212404169752 4.6854e-05 deg
peri 285.6800690878777 5.9951e-05 deg
M 279.582414045307 3.6263e-05 deg
tp 2458893.937250787432
(2020-Feb-14.43725079)
0.00013211 TDB
period 1313.610810737233
3.60
1.0392e-05
2.845e-08
d
yr
n .2740537738098841 2.168e-09 deg/d
Q 2.522323289596169 1.3302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      6588 days (18.04 yr)  
   first obs. used      2001-11-12  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:53:38  

Additional Information
 Earth MOID = 1.19752 au 
 Jupiter MOID = 2.65709 au 
 T_jup = 3.547 
[ 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 17.1   n/a MPO418247  

233531 (2007 HM61)          Discovered 2007-Apr-20 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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