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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 ]

[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05182616781257372 3.3765e-08  
a 2.721917404016831 1.1579e-08 au
q 2.580850855864289 9.1141e-08 au
i 4.345895001861946 3.5745e-06 deg
node 100.5585272273965 5.4753e-05 deg
peri 329.4700333538235 7.2217e-05 deg
M 78.89709534351837 4.522e-05 deg
tp 2458641.024451975576
(2019-Jun-06.52445198)		 0.00020628 TDB
period 1640.252999496822
4.49		 1.0467e-05
2.866e-08		 d
yr
n .2194783366410162 1.4005e-09 deg/d
Q 2.862983952169372 1.2179e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      17064 days (46.72 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:43:03  

Additional Information
 Earth MOID = 1.59645 au 
 Jupiter MOID = 2.28034 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456861.5 (2014-Jul-23.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04966944483044186 3.3496e-08  
q 2.586303940257383 9.0147e-08 au
tp 2457003.448164039296
(2014-Dec-11.94816404)		 0.00021812 TDB
node 100.6430322489836 5.4701e-05 deg
peri 330.1183850349436 7.3671e-05 deg
i 4.347691186943916 3.5767e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      17064 days (46.72 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:43:03  

Additional Information
 Jupiter MOID = 2.28034 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.121963816409488E-15 -2.99749604069668E-15 -1.793465963934041E-12 -4.785290946712546E-15 -4.281026373378754E-13 -1.431809453704133E-16
q -2.99749604069668E-15 8.126560035348068E-15 4.454195281812797E-12 1.18404713502996E-14 1.065778830095764E-12 5.3912617562371E-16
tp -1.793465963934041E-12 4.454195281812797E-12 4.757725678147702E-8 2.014459693446328E-11 1.078544035624338E-8 -1.890737033280273E-12
node -4.785290946712546E-15 1.18404713502996E-14 2.014459693446328E-11 2.992191426467323E-9 -2.978638657367528E-9 1.707459754153503E-11
peri -4.281026373378754E-13 1.065778830095764E-12 1.078544035624338E-8 -2.978638657367528E-9 5.42744894779164E-9 -1.744897511879448E-11
i -1.431809453704133E-16 5.3912617562371E-16 -1.890737033280273E-12 1.707459754153503E-11 -1.744897511879448E-11 1.279264958468776E-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. 2020-October); 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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