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JPL Small-Body Database Browser
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108153 (2001 HR2)
Classification: Main-belt Asteroid          SPK-ID: 2108153
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01943795339356033 3.9972e-08  
a 2.723958399608354 1.9517e-08 au
q 2.671010223190769 1.0407e-07 au
i 1.055976012447626 4.8464e-06 deg
node 229.563513004672 0.00024303 deg
peri 252.0210979331606 0.00027689 deg
M 176.404431402347 0.00013239 deg
tp 2458195.851653986191
(2018-Mar-18.35165399)
0.00060344 TDB
period 1642.098229971774
4.50
1.7648e-05
4.832e-08
d
yr
n .2192317082067544 2.3561e-09 deg/d
Q 2.776906576025938 1.9896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      7533 days (20.62 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:04  

Additional Information
 Earth MOID = 1.68672 au 
 Jupiter MOID = 2.21334 au 
 T_jup = 3.357 
[ 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 15.3   n/a MPO432606  

108153 (2001 HR2)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 HR2 = 2003 UG267 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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