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46248 (2001 HM22)
Classification: Main-belt Asteroid          SPK-ID: 2046248
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09364642382880164 3.5636e-08  
a 3.0986659227732 1.9538e-08 au
q 2.808486940465316 1.0757e-07 au
i 16.80853031973365 4.3502e-06 deg
node 175.4454318276336 1.3872e-05 deg
peri 94.72995148280636 2.7368e-05 deg
M 146.5859514204774 2.4723e-05 deg
tp 2458189.258031202743
(2018-Mar-11.75803120)
0.0001352 TDB
period 1992.326726653935
5.45
1.8843e-05
5.159e-08
d
yr
n .1806932543662713 1.709e-09 deg/d
Q 3.388844905081084 2.1368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1998-12-19  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5274  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:01  

Additional Information
 Earth MOID = 1.85784 au 
 Jupiter MOID = 1.82509 au 
 T_jup = 3.150 
[ 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 13.5   n/a MPO324724  
diameter diameter 12.633 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46248 (2001 HM22)          Discovered 2001-Apr-25 by Ametlla de Mar at Ametlla de Mar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HM22 = 2000 EP151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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