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JPL Small-Body Database Browser
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108229 (2001 HW37)
Classification: Main-belt Asteroid          SPK-ID: 2108229
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110809625529533 3.9976e-08  
a 2.662716334843904 2.1212e-08 au
q 2.36766173488848 1.065e-07 au
i 12.07241244371621 5.972e-06 deg
node 198.3508262367257 2.159e-05 deg
peri 269.8426882374824 3.4385e-05 deg
M 238.6697366096657 2.7147e-05 deg
tp 2459535.375148781608
(2021-Nov-16.87514878)
0.00012105 TDB
period 1587.032354342672
4.35
1.8964e-05
5.192e-08
d
yr
n .2268384756082098 2.7106e-09 deg/d
Q 2.957770934799327 2.3563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1994-10-12  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60052  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:17:26  

Additional Information
 Earth MOID = 1.42112 au 
 Jupiter MOID = 2.23735 au 
 T_jup = 3.345 
[ 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 15.4   n/a MPO395948  

108229 (2001 HW37)          Discovered 2001-Apr-29 by Crni Vrh at Crni Vrh
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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