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JPL Small-Body Database Browser
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108276 (2001 HU57)
Classification: Main-belt Asteroid          SPK-ID: 2108276
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402407086911014 6.685e-08  
a 2.535231299665322 1.3402e-08 au
q 2.179688665504395 1.7025e-07 au
i 16.77960895876839 5.8795e-06 deg
node 73.48606640176729 1.7987e-05 deg
peri 97.81716605918774 2.6671e-05 deg
M 291.5860608044295 2.0601e-05 deg
tp 2459280.699209274265
(2021-Mar-07.19920927)
8.5145e-05 TDB
period 1474.432206722959
4.04
1.1692e-05
3.201e-08
d
yr
n .2441617853696565 1.9361e-09 deg/d
Q 2.890773933826249 1.5282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      8802 days (24.10 yr)  
   first obs. used      1995-12-22  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:05:25  

Additional Information
 Earth MOID = 1.25494 au 
 Jupiter MOID = 2.26612 au 
 T_jup = 3.376 
[ 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 15.2   n/a MPO351615  

108276 (2001 HU57)          Discovered 2001-Apr-25 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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