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46231 (2001 HM5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2046231
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106975272637492 5.1303e-08  
a 3.215127551999895 2.2676e-08 au
q 2.871188405560395 1.6982e-07 au
i 10.709156387595 5.7339e-06 deg
node 238.9603945024003 2.6439e-05 deg
peri 354.9225167135881 3.5437e-05 deg
M 99.39836821769623 2.6162e-05 deg
tp 2458419.103394744958
(2018-Oct-27.60339474)
0.00015056 TDB
period 2105.696317201234
5.77
2.2277e-05
6.099e-08
d
yr
n .1709648238728415 1.8087e-09 deg/d
Q 3.559066698439396 2.5101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1617  
   data-arc span      9853 days (26.98 yr)  
   first obs. used      1992-11-23  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:23:58  

Additional Information
 Earth MOID = 1.86001 au 
 Jupiter MOID = 1.45686 au 
 T_jup = 3.154 
[ 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 12.7   n/a MPO449293  
diameter diameter 16.494 km 0.318 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46231 (2001 HM5)          Discovered 2001-Apr-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HM5 = 1997 UR16 = 2000 AJ236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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