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34966 (3260 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2034966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05182616639093682 3.3793e-08  
a 2.721917404536398 1.159e-08 au
q 2.580850860226508 9.124e-08 au
i 4.345894857615141 3.5781e-06 deg
node 100.558529320681 5.4792e-05 deg
peri 329.4700313834192 7.2248e-05 deg
M 78.89709501076561 4.5222e-05 deg
tp 2458641.024453388757
(2019-Jun-06.52445339)
0.00020629 TDB
period 1640.252999966466
4.49
1.0476e-05
2.868e-08
d
yr
n .2194783365781742 1.4018e-09 deg/d
Q 2.862983948846288 1.219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1728  
   data-arc span      17023 days (46.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:14  

Additional Information
 Earth MOID = 1.59645 au 
 Jupiter MOID = 2.28034 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456850.5 (2014-Jul-12.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04966839134841992 3.3527e-08  
q 2.586313775920901 9.0251e-08 au
tp 2457003.417727897913
(2014-Dec-11.91772790)
0.00021813 TDB
node 100.6430313074185 5.474e-05 deg
peri 330.1109126425526 7.3701e-05 deg
i 4.347691160635121 3.5803e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1728  
   data-arc span      17023 days (46.61 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:14  

Additional Information
 Jupiter MOID = 2.28034 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.124038931202357E-15 -3.003704928558751E-15 -1.795662674553196E-12 -4.801262202205821E-15 -4.284544940049642E-13 -1.434985629917033E-16
q -3.003704928558751E-15 8.145188646505963E-15 4.46117863993368E-12 1.18835534565595E-14 1.066911175467091E-12 5.400330326207503E-16
tp -1.795662674553196E-12 4.46117863993368E-12 4.757908603904503E-8 1.997348862572875E-11 1.078583637254353E-8 -1.876852809464553E-12
node -4.801262202205821E-15 1.18835534565595E-14 1.997348862572875E-11 2.996437015200089E-9 -2.982911542974487E-9 1.674420297564292E-11
peri -4.284544940049642E-13 1.066911175467091E-12 1.078583637254353E-8 -2.982911542974487E-9 5.431767015775395E-9 -1.711642218037394E-11
i -1.434985629917033E-16 5.400330326207503E-16 -1.876852809464553E-12 1.674420297564292E-11 -1.711642218037394E-11 1.281873621960825E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO493096  
rotation period rot_per 3.224 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

34966 (3260 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3260 T-2 = 1998 ES13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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