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JPL Small-Body Database Browser
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47941 (2000 HU61)
Classification: Outer Main-belt Asteroid          SPK-ID: 2047941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287139786756356 4.8542e-08  
a 3.965026067692013 3.1872e-08 au
q 3.454671786966764 1.922e-07 au
i 2.812374256899355 5.9154e-06 deg
node 196.7114613623256 7.582e-05 deg
peri 156.8099025329188 7.7372e-05 deg
M 19.23574868759722 1.5899e-05 deg
tp 2458446.410129249500
(2018-Nov-23.91012925)
0.00012684 TDB
period 2883.815668996937
7.90
3.4771e-05
9.52e-08
d
yr
n .1248346084911928 1.5052e-09 deg/d
Q 4.475380348417262 3.5974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      8832 days (24.18 yr)  
   first obs. used      1995-09-29  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50855  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:08:12  

Additional Information
 Earth MOID = 2.44901 au 
 Jupiter MOID = .985612 au 
 T_jup = 3.042 
[ 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 13.2   n/a MPO263739  
diameter diameter 12.269 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.068   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

47941 (2000 HU61)          Discovered 2000-Apr-25 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HU61 = 1999 GQ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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