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JPL Small-Body Database Browser
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249545 (2010 HB45)
Classification: Jupiter Trojan          SPK-ID: 2249545
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07469254057514552 6.6567e-08  
a 5.277333390356641 1.9534e-07 au
q 4.883155951968857 4.7769e-07 au
i 5.553369300966255 7.1692e-06 deg
node 295.557459780612 7.7572e-05 deg
peri 330.3314922472658 0.00010079 deg
M 289.5637925998262 6.7444e-05 deg
tp 2459466.890509656770
(2021-Sep-09.39050966)
0.0008359 TDB
period 4428.128585975911
12.12
0.00024586
6.731e-07
d
yr
n .08129845215880513 4.5138e-09 deg/d
Q 5.671510828744425 2.0993e-07 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6402 days (17.53 yr)  
   first obs. used      2001-10-23  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:40:58  

Additional Information
 Earth MOID = 3.86823 au 
 Jupiter MOID = .190989 au 
 T_jup = 2.985 
[ 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 12.7   n/a MPO437159  
diameter diameter 12.272 km 1.047 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.107   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

249545 (2010 HB45)          Discovered 2010-Apr-23 by WISE at WISE
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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