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249705 (2000 HF72)
Classification: Main-belt Asteroid          SPK-ID: 2249705
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503044971822844 3.8532e-08  
a 2.634513512153823 1.7837e-08 au
q 2.238534283389608 1.0547e-07 au
i 2.673406563761992 4.6956e-06 deg
node 84.9737283914348 0.00011135 deg
peri 56.46542127233953 0.00011315 deg
M 313.9203675382911 2.2128e-05 deg
tp 2459200.419693862200
(2020-Dec-16.91969386)		 9.693e-05 TDB
period 1561.885066036462
4.28		 1.5862e-05
4.343e-08		 d
yr
n .2304907114027018 2.3408e-09 deg/d
Q 3.030492740918038 2.0518e-08 au
   Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7126 days (19.51 yr)  
   first obs. used      2000-04-25  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54197  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:46:58  

Additional Information
 Earth MOID = 1.25281 au 
 Jupiter MOID = 1.98885 au 
 T_jup = 3.380 
[ 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 16.0   n/a MPO454852  

249705 (2000 HF72)          Discovered 2000-Apr-25 by LONEOS at Anderson Mesa
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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Alternate Designations
 2000 HF72 = 2004 EF22 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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