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329395 (2002 AC)
Classification: Apollo [NEO]          SPK-ID: 2329395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .648572026612404 1.9585e-07  
a 2.253783300407735 1.3312e-08 au
q .7920424977170978 4.4157e-07 au
i 34.75430408828051 2.7181e-05 deg
node 72.95126898843216 3.6975e-05 deg
peri 132.1682626234533 4.1102e-05 deg
M 136.1871625174358 2.0688e-05 deg
tp 2458532.979851268209
(2019-Feb-18.47985127)
6.7888e-05 TDB
period 1235.852560786678
3.38
1.095e-05
2.998e-08
d
yr
n .2912968839671644 2.5809e-09 deg/d
Q 3.715524103098372 2.1946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2001-11-12  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-05 08:38:58  

Additional Information
 Earth MOID = .0908319 au 
 Jupiter MOID = 1.9326 au 
 T_jup = 3.132 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454265.5 (2007-Jun-14.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6475561586033958 1.9572e-07  
q .7950950525690299 4.4228e-07 au
tp 2454824.224932188327
(2008-Dec-23.72493219)
4.6611e-05 TDB
node 73.14982185246184 3.6918e-05 deg
peri 132.013624390365 4.1128e-05 deg
i 34.66405875768939 2.7245e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2001-11-12  
   last obs. used      2018-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-05 08:38:58  

Additional Information
 Jupiter MOID = 1.9326 au 
 T_jup = 3.132 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.830494637414711E-14 -8.655660897121783E-14 -5.488778089998697E-12 6.662424309982696E-13 1.228087125908291E-12 -1.03808568606453E-12
q -8.655660897121783E-14 1.956131547966021E-13 1.248211308281764E-11 -1.524232108729323E-12 -2.742175728899824E-12 2.345799565465863E-12
tp -5.488778089998697E-12 1.248211308281764E-11 2.172629763988086E-9 -2.424155818507897E-10 6.545103217406139E-10 2.092430855120827E-10
node 6.662424309982696E-13 -1.524232108729323E-12 -2.424155818507897E-10 1.362949141065236E-9 -1.157294823339032E-9 3.857897653331135E-10
peri 1.228087125908291E-12 -2.742175728899824E-12 6.545103217406139E-10 -1.157294823339032E-9 1.691546467454323E-9 -2.726114839989899E-10
i -1.03808568606453E-12 2.345799565465863E-12 2.092430855120827E-10 3.857897653331135E-10 -2.726114839989899E-10 7.423013293434463E-10

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 18.0   n/a MPO471417  

329395 (2002 AC)          Discovered 2002-Jan-03 by LINEAR at Socorro
Reference: 20120604/Numbers.arcLast Updated: 2012-06-06

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