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34971 (4286 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2034971
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0417393576624917 6.5253e-08  
a 3.079638022554382 2.4927e-08 au
q 2.951095909659976 1.9552e-07 au
i 10.06358021202086 6.9194e-06 deg
node 33.10264706230217 3.3704e-05 deg
peri 118.9876473581328 8.4186e-05 deg
M 132.4142022757982 7.4339e-05 deg
tp 2458474.427473434383
(2018-Dec-21.92747343)
0.00040851 TDB
period 1974.003581724532
5.40
2.3967e-05
6.562e-08
d
yr
n .1823704897665364 2.2142e-09 deg/d
Q 3.208180135448788 2.5968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      16690 days (45.69 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:01:22  

Additional Information
 Earth MOID = 1.97352 au 
 Jupiter MOID = 1.78414 au 
 T_jup = 3.203 
[ show covariance matrix ]

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 14.6   n/a MPO474203  
diameter diameter 4.555 km 1.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.162   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34971 (4286 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4286 T-2 = 2000 SA64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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