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(2001 GP2)
Classification: Apollo [NEO]          SPK-ID: 3076774
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07242529307855586 1.1823e-07  
a 1.034481253086409 8.8089e-09 au
q .9595586451473546 1.2217e-07 au
i 1.28755898718039 3.9034e-06 deg
node 195.7953269156369 7.802e-05 deg
peri 108.7874716334866 8.329e-05 deg
M 130.2058116176946 4.4391e-05 deg
tp 2459061.501462021288
(2020-Jul-31.00146202)
4.8955e-05 TDB
period 384.3106006608999
1.05
4.9088e-06
1.344e-08
d
yr
n .9367423104668647 1.1965e-08 deg/d
Q 1.109403861025464 9.4469e-09 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-04-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .75107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-17 05:29:14  

Additional Information
 Earth MOID = .00159279 au 
 Jupiter MOID = 3.9387 au 
 T_jup = 5.919 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458135.5 (2018-Jan-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07347967966279179 1.1699e-07  
q .9613872980900189 1.1844e-07 au
tp 2458293.167623062673
(2018-Jun-23.66762306)
5.1528e-05 TDB
node 196.7730774330603 7.8045e-05 deg
peri 111.3876430344996 8.9491e-05 deg
i 1.272485684541232 3.826e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2001-04-13  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .75107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-17 05:29:14  

Additional Information
 Jupiter MOID = 3.9387 au 
 T_jup = 5.919 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.368728439928028E-14 -1.385695762694842E-14 6.754448586750628E-13 1.753938242642996E-12 -2.499850703348657E-12 8.277728353233508E-14
q -1.385695762694842E-14 1.402878464338543E-14 -6.85478165584236E-13 -1.773853947872209E-12 2.527508148607077E-12 -8.368906453896281E-14
tp 6.754448586750628E-13 -6.85478165584236E-13 2.655125141455391E-9 3.247662035102848E-10 1.98189938232557E-9 -4.421846682441103E-11
node 1.753938242642996E-12 -1.773853947872209E-12 3.247662035102848E-10 6.091090091531645E-9 -5.98181829915837E-9 2.543791403039303E-10
peri -2.499850703348657E-12 2.527508148607077E-12 1.98189938232557E-9 -5.98181829915837E-9 8.008607900429186E-9 -3.023852583634126E-10
i 8.277728353233508E-14 -8.368906453896281E-14 -4.421846682441103E-11 2.543791403039303E-10 -3.023852583634126E-10 1.463818214998866E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.4   n/a E2020W27  

[ show close-approach data ]
Alternate Designations
 2001 GP2 = 2020 UJ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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