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JPL Small-Body Database Browser
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34972 (5039 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2034972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08938239758239684 5.8136e-08  
a 3.081146851465324 2.4758e-08 au
q 2.8057465585779 1.8085e-07 au
i 12.88736627554212 6.6046e-06 deg
node 329.7044597925796 2.0912e-05 deg
peri 206.975436760566 3.4565e-05 deg
M 66.11228195174408 2.6361e-05 deg
tp 2458637.717214933175
(2019-Jun-03.21721493)
0.00014498 TDB
period 1975.454465773613
5.41
2.381e-05
6.519e-08
d
yr
n .1822365466971264 2.1965e-09 deg/d
Q 3.356547144352748 2.6971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      17016 days (46.59 yr)  
   first obs. used      1973-09-20  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52889  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:14  

Additional Information
 Earth MOID = 1.818 au 
 Jupiter MOID = 1.66372 au 
 T_jup = 3.183 
[ 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 13.9   n/a MPO474203  
diameter diameter 6.324 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34972 (5039 T-2)          Discovered 1973-Sep-25 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
 5039 T-2 = 1994 RU12 = 2000 RC31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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