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JPL Small-Body Database Browser
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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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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04214284713870003 6.4516e-08  
a 3.074788839941654 2.5622e-08 au
q 2.945208483876212 1.9405e-07 au
i 10.07289588195651 6.9363e-06 deg
node 33.17038620731541 3.4058e-05 deg
peri 116.667701349719 8.4654e-05 deg
M 25.05952027128547 7.4927e-05 deg
tp 2458463.414467598884
(2018-Dec-10.91446760)
0.00041007 TDB
period 1969.343033312189
5.39
2.4616e-05
6.739e-08
d
yr
n .1828020786173168 2.2849e-09 deg/d
Q 3.204369196007096 2.6702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      16634 days (45.54 yr)  
   first obs. used      1973-09-20  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62499  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:44:42  

Additional Information
 Earth MOID = 1.97004 au 
 Jupiter MOID = 1.79391 au 
 T_jup = 3.205 
[ 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 14.5   n/a MPO431894  
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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