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85066 (4255 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2085066
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595340832439451 4.9617e-08  
a 2.395319056708525 1.2817e-08 au
q 2.013184026919779 1.176e-07 au
i 3.229541860724201 5.752e-06 deg
node 163.3663167963674 8.8761e-05 deg
peri 49.55854898431008 9.0531e-05 deg
M 75.2233205093286 1.9621e-05 deg
tp 2458717.560565786034
(2019-Aug-22.06056579)
7.2493e-05 TDB
period 1354.077374241891
3.71
1.0869e-05
2.976e-08
d
yr
n .2658636846373373 2.134e-09 deg/d
Q 2.777454086497271 1.4862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      18025 days (49.35 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:54:37  

Additional Information
 Earth MOID = 1.00905 au 
 Jupiter MOID = 2.18773 au 
 T_jup = 3.510 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO468819  

85066 (4255 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 4255 T-1 = 1979 ML8 = 1997 GB16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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