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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456938.5 (2014-Oct-08.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596186883324807 4.9605e-08  
q 2.012286926657682 1.175e-07 au
tp 2457363.127668169754
(2015-Dec-06.62766817)
6.6838e-05 TDB
node 163.428197270576 8.8869e-05 deg
peri 49.40076247340038 9.0635e-05 deg
i 3.227353050199365 5.75e-06 deg
  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
 Jupiter MOID = 2.18773 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.460674314043446E-15 -5.804893257095394E-15 -2.318175304723569E-13 1.362078793347193E-14 -9.240321054382183E-14 -1.778383035582065E-15
q -5.804893257095394E-15 1.380521446851453E-14 8.834990394750332E-13 -3.385962217440354E-14 2.97788428252727E-13 4.179970027689231E-15
tp -2.318175304723569E-13 8.834990394750332E-13 4.467271238268259E-9 -1.978455253536398E-11 1.209536462833621E-9 -1.393182675926362E-13
node 1.362078793347193E-14 -3.385962217440354E-14 -1.978455253536398E-11 7.897612286402394E-9 -7.889373276208855E-9 3.924846875841854E-11
peri -9.240321054382183E-14 2.97788428252727E-13 1.209536462833621E-9 -7.889373276208855E-9 8.214672923030111E-9 -3.922949422288574E-11
i -1.778383035582065E-15 4.179970027689231E-15 -1.393182675926362E-13 3.924846875841854E-11 -3.922949422288574E-11 3.306304662299547E-11

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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