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(2002 AY1)
Classification: Aten [NEO, PHA]          SPK-ID: 3102728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4374057904037714 3.8973e-07  
a .7789758297489835 6.1964e-10 au
q .4382472912321957 3.0325e-07 au
i 29.89320667767566 2.9427e-05 deg
node 287.859115361607 4.4262e-06 deg
peri 323.8439100850437 1.7752e-05 deg
M 162.2714641602553 6.9531e-05 deg
tp 2458887.305831233340
(2020-Feb-07.80583123)
4.8634e-05 TDB
period 251.1217912950733
0.69
2.9964e-07
8.204e-10
d
yr
n 1.433567346519094 1.7105e-09 deg/d
Q 1.119704368265771 8.9068e-10 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      4730 days (12.95 yr)  
   first obs. used      2002-01-07  
   last obs. used      2014-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37624  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:27:39  

Additional Information
 Earth MOID = .00732407 au 
 Jupiter MOID = 4.01573 au 
 T_jup = 7.283 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455027.5 (2009-Jul-15.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4376905936381686 3.8903e-07  
q .437880432573953 3.0293e-07 au
tp 2455121.198584526985
(2009-Oct-16.69858453)
5.0138e-05 TDB
node 287.8971926329444 4.4673e-06 deg
peri 323.8572490114369 1.7827e-05 deg
i 29.88697713188713 2.9439e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   # delay obs. used      5  
   # Doppler obs. used      3  
   data-arc span      4730 days (12.95 yr)  
   first obs. used      2002-01-07  
   last obs. used      2014-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37624  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:27:39  

Additional Information
 Jupiter MOID = 4.01573 au 
 T_jup = 7.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.513439001237845E-13 -1.178498335372428E-13 -1.937279502614826E-11 7.410598829644996E-13 -6.337447199538326E-12 -4.214296689196608E-12
q -1.178498335372428E-13 9.176837177934862E-14 1.50854375996655E-11 -5.770765306058722E-13 4.934965689120518E-12 3.281620939959425E-12
tp -1.937279502614826E-11 1.50854375996655E-11 2.513784887900437E-9 -1.0527873659558E-10 8.491823533265083E-10 5.451750851321482E-10
node 7.410598829644996E-13 -5.770765306058722E-13 -1.0527873659558E-10 1.995646632866518E-11 -5.413235207624525E-11 -1.191107595752231E-10
peri -6.337447199538326E-12 4.934965689120518E-12 8.491823533265083E-10 -5.413235207624525E-11 3.177902708732351E-10 2.672114888223028E-10
i -4.214296689196608E-12 3.281620939959425E-12 5.451750851321482E-10 -1.191107595752231E-10 2.672114888223028E-10 8.666327146883589E-10

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 20.8   n/a MPO264922  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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