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(2002 AA29)
Classification: Aten [NEO]          SPK-ID: 3102762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01302163500005711 2.006e-07  
a .992540441445907 2.4157e-08 au
q .9796159420946028 1.8997e-07 au
i 10.7482426562356 5.5302e-05 deg
node 106.3655230838805 2.1952e-05 deg
peri 101.9017005467789 0.0004352 deg
M 104.9954588982296 0.00067177 deg
tp 2458895.161104814244
(2020-Feb-15.66110481)
0.00067028 TDB
period 361.1775467701829
0.99
1.3186e-05
3.61e-08
d
yr
n .996739701067486 3.6389e-08 deg/d
Q 1.005464940797211 2.4472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      736 days (2.02 yr)  
   first obs. used      2002-01-09  
   last obs. used      2004-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34274  
   source      ORB  
   producer      Giorgini  
   solution date      2020-Jan-28 12:40:23  

Additional Information
 Earth MOID = .0118403 au 
 Jupiter MOID = 3.96671 au 
 T_jup = 6.101 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452468.5 (2002-Jul-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01216498127005811 1.9661e-07  
q .9881404182656579 2.045e-07 au
tp 2452372.517802116264
(2002-Apr-08.01780212)
0.00056074 TDB
node 106.8898722969351 2.0012e-05 deg
peri 92.84711022904767 0.00057359 deg
i 10.74149231142065 5.5138e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      736 days (2.02 yr)  
   first obs. used      2002-01-09  
   last obs. used      2004-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34274  
   source      ORB  
   producer      Giorgini  
   solution date      2020-Jan-28 12:40:23  

Additional Information
 Jupiter MOID = 3.96671 au 
 T_jup = 6.101 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.865354942936341E-14 -4.013536240837201E-14 5.240800604157856E-11 -7.17814592257332E-13 5.714293459112573E-11 -7.356875022334701E-13
q -4.013536240837201E-14 4.182201063671942E-14 -5.637973614687383E-11 7.768013681150737E-13 -6.131615083061733E-11 7.480130568760888E-13
tp 5.240800604157856E-11 -5.637973614687383E-11 3.144255610994889E-7 1.537915661534432E-9 3.212706761107356E-7 2.027645853032445E-8
node -7.17814592257332E-13 7.768013681150737E-13 1.537915661534432E-9 4.004964506644575E-10 1.138461971288891E-9 6.475239754806464E-10
peri 5.714293459112573E-11 -6.131615083061733E-11 3.212706761107356E-7 1.138461971288891E-9 3.290058433503745E-7 1.997931197305989E-8
i -7.356875022334701E-13 7.480130568760888E-13 2.027645853032445E-8 6.475239754806464E-10 1.997931197305989E-8 3.040226689676479E-9

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 24.1   n/a MPO57849  
rotation period rot_per 0.55 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 upper-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Ostro, S.J.; Giorgini, J.D.; Benner, L.A.M.; Hine, A.A.; et al. (2003) Icarus 166, 271-275.]

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