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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07123714108397404 6.036e-08  
a 2.963232889549436 1.9547e-08 au
q 2.752140650131931 1.8363e-07 au
i 9.687228295684541 6.6639e-06 deg
node 212.0619472253045 2.3691e-05 deg
peri 336.4966137811699 3.8763e-05 deg
M 302.6175279767427 2.985e-05 deg
tp 2459297.477712514641
(2021-Mar-23.97771251)
0.00015466 TDB
period 1863.14692859414
5.10
1.8435e-05
5.047e-08
d
yr
n .1932214762426935 1.9119e-09 deg/d
Q 3.174325128966941 2.0939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:23:36  

Additional Information
 Earth MOID = 1.75435 au 
 Jupiter MOID = 1.80155 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456581.5 (2013-Oct-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07315227947344427 6.025e-08  
q 2.744224541263676 1.8359e-07 au
tp 2457441.107014884092
(2016-Feb-22.60701488)
0.00014878 TDB
node 212.1950994423203 2.3727e-05 deg
peri 337.7734038912618 3.7937e-05 deg
i 9.681869891790495 6.6612e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53664  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:23:36  

Additional Information
 Jupiter MOID = 1.80155 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.630034954927847E-15 -1.101032436111635E-14 2.677976726298809E-12 -1.785341133834359E-14 5.681523246514447E-13 -2.475186715297774E-16
q -1.101032436111635E-14 3.370466486885363E-14 -8.093364559818122E-12 5.330515632603394E-14 -1.745124364039523E-12 2.00461930783121E-15
tp 2.677976726298809E-12 -8.093364559818122E-12 2.213417113159963E-8 -2.820213333926277E-11 4.409546211636604E-9 -6.127535823730384E-13
node -1.785341133834359E-14 5.330515632603394E-14 -2.820213333926277E-11 5.629858094401777E-10 -5.600918595307208E-10 -2.399782831645105E-11
peri 5.681523246514447E-13 -1.745124364039523E-12 4.409546211636604E-9 -5.600918595307208E-10 1.439218861955687E-9 2.337126871830723E-11
i -2.475186715297774E-16 2.00461930783121E-15 -6.127535823730384E-13 -2.399782831645105E-11 2.337126871830723E-11 4.43711243377715E-11

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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