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46261 (2001 HA47)
Classification: Main-belt Asteroid          SPK-ID: 2046261
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05539704497616209 3.3707e-08  
a 2.572998381517656 1.1911e-08 au
q 2.430461874453131 8.7504e-08 au
i 14.53992507473866 5.0792e-06 deg
node 236.109346875143 1.3012e-05 deg
peri 61.73076890245852 4.7959e-05 deg
M 131.9517987563256 4.5453e-05 deg
tp 2458447.951364836237
(2018-Nov-25.45136484)
0.00019046 TDB
period 1507.501303762401
4.13
1.0468e-05
2.866e-08
d
yr
n .2388057636179266 1.6583e-09 deg/d
Q 2.715534888582182 1.2571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1438  
   data-arc span      7827 days (21.43 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:21  

Additional Information
 Earth MOID = 1.44576 au 
 Jupiter MOID = 2.3825 au 
 T_jup = 3.382 
[ 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 14.3   n/a MPO502464  
rotation period rot_per 4.774 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46261 (2001 HA47)          Discovered 2001-Apr-18 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HA47 = 1998 QH82 = 2000 AT173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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