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JPL Small-Body Database Browser
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108271 (2001 HP56)
Classification: Main-belt Asteroid          SPK-ID: 2108271
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310561964582869 4.333e-08  
a 2.256602119980509 9.7226e-09 au
q 1.960860429216157 9.6841e-08 au
i 3.78906723555877 3.9477e-06 deg
node 119.9185811336543 5.6072e-05 deg
peri 180.9972498559786 5.8192e-05 deg
M 160.3184136850931 1.5025e-05 deg
tp 2458449.106273275811
(2018-Nov-26.60627328)
5.0524e-05 TDB
period 1238.171817309874
3.39
8.002e-06
2.191e-08
d
yr
n .2907512470944119 1.8791e-09 deg/d
Q 2.552343810744861 1.0997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      6846 days (18.74 yr)  
   first obs. used      2001-04-24  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:05:11  

Additional Information
 Earth MOID = .9453 au 
 Jupiter MOID = 2.6356 au 
 T_jup = 3.609 
[ 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 16.5   n/a MPO432607  

108271 (2001 HP56)          Discovered 2001-Apr-24 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 HP56 = 2002 VJ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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