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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1068882920917707 2.1884e-08  
a 3.214688711536422 1.836e-08 au
q 2.871076125553599 7.0037e-08 au
i 10.70939022855413 9.5609e-07 deg
node 238.9582110851855 5.4126e-06 deg
peri 354.8181754946595 1.4388e-05 deg
M 133.72327357209 1.7979e-05 deg
tp 2458418.491788236283
(2018-Oct-26.99178824)
0.00010167 TDB
period 2105.265214608805
5.76
1.8036e-05
4.938e-08
d
yr
n .170999832943563 1.4649e-09 deg/d
Q 3.558301297519245 2.0322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2182  
   data-arc span      10308 days (28.22 yr)  
   first obs. used      1992-11-23  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:13  

Additional Information
 Earth MOID = 1.85859 au 
 Jupiter MOID = 1.45647 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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