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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09383564434734999 3.6685e-08  
a 3.097430448875947 1.9858e-08 au
q 2.806781066884571 1.1165e-07 au
i 16.81183456299007 4.415e-06 deg
node 175.4540655732759 1.4306e-05 deg
peri 94.49184848999337 2.7635e-05 deg
M 74.51670281996407 2.4525e-05 deg
tp 2458188.353229394661
(2018-Mar-10.85322939)
0.00013489 TDB
period 1991.135299912533
5.45
1.9148e-05
5.242e-08
d
yr
n .1808013749823099 1.7387e-09 deg/d
Q 3.388079830867323 2.1722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1263  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-12-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:06  

Additional Information
 Earth MOID = 1.8558 au 
 Jupiter MOID = 1.8261 au 
 T_jup = 3.151 
[ 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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