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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599426030464264 4.3592e-08  
a 2.393730761889756 1.2007e-08 au
q 2.010871232840803 1.0083e-07 au
i 3.231174421231137 5.5525e-06 deg
node 163.3619010987447 6.3123e-05 deg
peri 49.33214396320368 6.565e-05 deg
M 180.8060387363134 2.002e-05 deg
tp 2460069.836640209481
(2023-May-05.33664021)
7.8528e-05 TDB
period 1352.730799442042
3.70
1.0178e-05
2.787e-08
d
yr
n .2661283384310377 2.0024e-09 deg/d
Q 2.776590290938709 1.3927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      18107 days (49.57 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:06  

Additional Information
 Earth MOID = 1.00741 au 
 Jupiter MOID = 2.18616 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457761.5 (2017-Jan-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590083133679637 4.3666e-08  
q 2.014061248926587 1.0092e-07 au
tp 2457363.049748168376
(2015-Dec-06.54974817)
6.7002e-05 TDB
node 163.4108132764274 6.3178e-05 deg
peri 49.34480925408322 6.5719e-05 deg
i 3.228841092947151 5.5493e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      18107 days (49.57 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-10-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:06  

Additional Information
 Jupiter MOID = 2.18616 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.906712526834891E-15 -4.388309573819768E-15 -2.12521914996509E-13 8.528414557747199E-15 -1.347099934381602E-13 -1.219582132859745E-15
q -4.388309573819768E-15 1.018578202294575E-14 8.319067783201454E-13 -2.099148400898848E-14 4.043697775051288E-13 2.760780471626539E-15
tp -2.12521914996509E-13 8.319067783201454E-13 4.489283560299332E-9 -1.738738190717467E-11 1.214877872316199E-9 -3.162074647536876E-13
node 8.528414557747199E-15 -2.099148400898848E-14 -1.738738190717467E-11 3.991466111496775E-9 -3.989588916812794E-9 -4.844893846503164E-11
peri -1.347099934381602E-13 4.043697775051288E-13 1.214877872316199E-9 -3.989588916812794E-9 4.318931792420948E-9 4.831736208650092E-11
i -1.219582132859745E-15 2.760780471626539E-15 -3.162074647536876E-13 -4.844893846503164E-11 4.831736208650092E-11 3.079518426345245E-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 16.22   n/a E2021B10  

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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