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245075 (2004 HB12)
Classification: Main-belt Asteroid          SPK-ID: 2245075
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023090137168528 6.9562e-08  
a 3.183995906909515 5.0595e-08 au
q 2.858244425995106 2.4667e-07 au
i 17.30180769601275 9.3801e-06 deg
node 214.3154453283073 2.1484e-05 deg
peri 50.85240156533037 5.5756e-05 deg
M 267.5569122237216 5.7827e-05 deg
tp 2459533.379631812166
(2021-Nov-14.87963181)
0.00034095 TDB
period 2075.186712895657
5.68
4.9464e-05
1.354e-07
d
yr
n .1734783659527514 4.135e-09 deg/d
Q 3.509747387823924 5.5772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      2000-09-22  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:01:52  

Additional Information
 Earth MOID = 1.87712 au 
 Jupiter MOID = 1.57788 au 
 T_jup = 3.120 
[ 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 15.5   n/a MPO427397  
diameter diameter 3.741 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245075 (2004 HB12)          Discovered 2004-Apr-19 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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