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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09343289306545077 3.5096e-08  
a 3.099365763824834 1.887e-08 au
q 2.809783053842669 1.0662e-07 au
i 16.80807600685835 3.9334e-06 deg
node 175.4364881496334 1.3665e-05 deg
peri 94.81982245235977 2.6049e-05 deg
M 182.6276839889756 2.3972e-05 deg
tp 2460182.453698071090
(2023-Aug-25.95369807)
0.00013607 TDB
period 1993.001722341049
5.46
1.8201e-05
4.983e-08
d
yr
n .1806320566432484 1.6496e-09 deg/d
Q 3.388948473806999 2.0633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      8111 days (22.21 yr)  
   first obs. used      1998-12-19  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50943  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:20  

Additional Information
 Earth MOID = 1.85739 au 
 Jupiter MOID = 1.82385 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 13.55   n/a MPCxxxxx  
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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