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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04204786448412214 6.4861e-08  
a 3.076632735720271 2.5197e-08 au
q 2.947266899381292 1.9464e-07 au
i 10.0693805656444 6.9342e-06 deg
node 33.16186510243259 3.407e-05 deg
peri 117.6055857633366 8.4494e-05 deg
M 97.2585277220107 7.465e-05 deg
tp 2458467.978554577447
(2018-Dec-15.47855458)
0.00040935 TDB
period 1971.11476846604
5.40
2.4214e-05
6.629e-08
d
yr
n .1826377670946877 2.2436e-09 deg/d
Q 3.205998572059252 2.6256e-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 = 1.97098 au 
 Jupiter MOID = 1.78956 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456548.5 (2013-Sep-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04295877640373338 6.3933e-08  
q 2.942401574393156 1.9218e-07 au
tp 2456483.240370674521
(2013-Jul-09.74037067)
0.00040999 TDB
node 33.19564278747466 3.4051e-05 deg
peri 114.8773646064803 8.4103e-05 deg
i 10.07458077313932 6.9371e-06 deg
  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
 Jupiter MOID = 1.78956 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.087448663452091E-15 -1.219286119748862E-14 8.362053358331081E-12 -6.575944617000314E-15 1.57558543204074E-12 -3.913740006434545E-15
q -1.219286119748862E-14 3.693151060260634E-14 -2.718775672142043E-11 8.088224614589889E-15 -5.106895747436568E-12 1.324450717691019E-14
tp 8.362053358331081E-12 -2.718775672142043E-11 1.680955657756654E-7 -3.055974981725382E-11 3.156978444856963E-8 -8.912418919643869E-12
node -6.575944617000314E-15 8.088224614589889E-15 -3.055974981725382E-11 1.159480177596611E-9 -1.148227194015011E-9 -8.012118649673576E-11
peri 1.57558543204074E-12 -5.106895747436568E-12 3.156978444856963E-8 -1.148227194015011E-9 7.073266398921297E-9 7.740770355697182E-11
i -3.913740006434545E-15 1.324450717691019E-14 -8.912418919643869E-12 -8.012118649673576E-11 7.740770355697182E-11 4.812340708440174E-11

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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