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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07106949832857065 6.0173e-08  
a 2.962819395245609 1.8858e-08 au
q 2.752253307187345 1.8302e-07 au
i 9.687766964728043 6.5691e-06 deg
node 212.0534216726079 2.3385e-05 deg
peri 336.5104377061014 3.837e-05 deg
M 341.248578113127 2.9239e-05 deg
tp 2459297.525949096375
(2021-Mar-24.02594910)
0.0001513 TDB
period 1862.756962401209
5.10
1.7784e-05
4.869e-08
d
yr
n .1932619269536579 1.8451e-09 deg/d
Q 3.173385483303874 2.0198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1998-09-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:37:56  

Additional Information
 Earth MOID = 1.75377 au 
 Jupiter MOID = 1.80133 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 14.39   n/a MPCxxxxx  
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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