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46221 (2001 GP)
Classification: Main-belt Asteroid          SPK-ID: 2046221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0712371423431893 6.0164e-08  
a 2.963232889806804 1.9532e-08 au
q 2.752140646639616 1.8312e-07 au
i 9.687227971995085 6.6344e-06 deg
node 212.0619470685894 2.3679e-05 deg
peri 336.4966142689568 3.8755e-05 deg
M 302.6175275168544 2.9841e-05 deg
tp 2459297.477714933442
(2021-Mar-23.97771493)
0.00015461 TDB
period 1863.146928836872
5.10
1.8422e-05
5.044e-08
d
yr
n .1932214762175205 1.9105e-09 deg/d
Q 3.174325132973991 2.0924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      7828 days (21.43 yr)  
   first obs. used      1998-09-22  
   last obs. used      2020-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:18  

Additional Information
 Earth MOID = 1.75435 au 
 Jupiter MOID = 1.80155 au 
 T_jup = 3.240 
[ 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 14.4   n/a MPO452802  
diameter diameter 5.292 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46221 (2001 GP)          Discovered 2001-Apr-01 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 GP = 2000 AH231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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