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JPL Small-Body Database Browser
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37305 (2001 HF55)
Classification: Main-belt Asteroid          SPK-ID: 2037305
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06929630130396841 3.8466e-08  
a 2.317103599340006 9.9189e-09 au
q 2.156536890167631 9.0364e-08 au
i 7.129094739694774 3.6858e-06 deg
node 95.56872689108614 3.4738e-05 deg
peri 141.1071923001747 4.6266e-05 deg
M 135.8003903623722 2.9797e-05 deg
tp 2458514.523664180847
(2019-Jan-31.02366418)
0.00010654 TDB
period 1288.298807006749
3.53
8.2723e-06
2.265e-08
d
yr
n .2794382778607308 1.7943e-09 deg/d
Q 2.47767030851238 1.0606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      9246 days (25.31 yr)  
   first obs. used      1994-06-06  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:29:03  

Additional Information
 Earth MOID = 1.14862 au 
 Jupiter MOID = 2.52527 au 
 T_jup = 3.567 
[ 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 15.1   n/a MPO436029  

37305 (2001 HF55)          Discovered 2001-Apr-24 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HF55 = 1999 XG81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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