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JPL Small-Body Database Browser
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108249 (2001 HY45)
Classification: Main-belt Asteroid          SPK-ID: 2108249
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117277404302324 5.6645e-08  
a 2.158793735973841 9.654e-09 au
q 1.917596589798544 1.2461e-07 au
i 5.725141283472611 6.2514e-06 deg
node 89.85367382408829 5.0946e-05 deg
peri 183.2383033584631 5.6105e-05 deg
M 315.1531051207349 2.5509e-05 deg
tp 2459144.826150634401
(2020-Oct-22.32615063)
8.2323e-05 TDB
period 1158.550984817614
3.17
7.7715e-06
2.128e-08
d
yr
n .3107329800049096 2.0844e-09 deg/d
Q 2.399990882149138 1.0733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      10583 days (28.97 yr)  
   first obs. used      1991-02-06  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:04:55  

Additional Information
 Earth MOID = .901339 au 
 Jupiter MOID = 2.67735 au 
 T_jup = 3.684 
[ 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 16.9   n/a MPO366450  

108249 (2001 HY45)          Discovered 2001-Apr-17 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 HY45 = 1998 KY39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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