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108245 (2001 HC45)
Classification: Main-belt Asteroid          SPK-ID: 2108245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031951695736426 5.0275e-08  
a 3.016819758375613 1.9802e-08 au
q 2.705498531836926 1.5338e-07 au
i 10.29208824304115 5.8023e-06 deg
node 15.75514853499149 2.485e-05 deg
peri 351.7251705862644 3.3337e-05 deg
M 79.95884203645912 2.2051e-05 deg
tp 2458575.404538959254
(2019-Apr-01.90453896)
0.00011653 TDB
period 1913.914234837077
5.24
1.8844e-05
5.159e-08
d
yr
n .188096202769841 1.852e-09 deg/d
Q 3.3281409849143 2.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      7719 days (21.13 yr)  
   first obs. used      1998-11-16  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:39:56  

Additional Information
 Earth MOID = 1.70517 au 
 Jupiter MOID = 2.13315 au 
 T_jup = 3.215 
[ 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 14.2   n/a MPO453540  
diameter diameter 4.830 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108245 (2001 HC45)          Discovered 2001-Apr-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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