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85092 (4253 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085092
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2267548904701203 5.0233e-08  
a 2.355968736373487 6.0378e-09 au
q 1.821741303606089 1.1842e-07 au
i 6.021672014756355 5.2317e-06 deg
node 151.914633119659 3.4282e-05 deg
peri 189.8097435331848 3.5375e-05 deg
M 341.833360951034 7.4121e-06 deg
tp 2459067.153782200978
(2020-Aug-05.65378220)
2.7161e-05 TDB
period 1320.847600245463
3.62
5.0775e-06
1.39e-08
d
yr
n .2725522610883334 1.0477e-09 deg/d
Q 2.890196169140886 7.4069e-09 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      17203 days (47.10 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:02:08  

Additional Information
 Earth MOID = .813714 au 
 Jupiter MOID = 2.5152 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457537.5 (2016-May-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268329602801226 5.019e-08  
q 1.821058942872362 1.1836e-07 au
tp 2457747.651930434893
(2016-Dec-25.15193044)
2.8317e-05 TDB
node 151.9552856306201 3.4299e-05 deg
peri 190.0436937699472 3.5392e-05 deg
i 6.0206807450616 5.2319e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      17203 days (47.10 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:02:08  

Additional Information
 Jupiter MOID = 2.5152 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.518996457678565E-15 -5.935614519787561E-15 5.871323056449285E-13 1.049342842031879E-15 1.274079865619448E-13 -5.608282903705717E-15
q -5.935614519787561E-15 1.400825747102517E-14 -1.42632654745624E-12 -2.900173083516349E-15 -3.134823685649999E-13 1.330303632487801E-14
tp 5.871323056449285E-13 -1.42632654745624E-12 8.018618917677216E-10 1.04436970919306E-12 2.547541938583703E-10 -2.459814946980648E-12
node 1.049342842031879E-15 -2.900173083516349E-15 1.04436970919306E-12 1.176431839112565E-9 -1.1692623780653E-9 8.778560243908065E-11
peri 1.274079865619448E-13 -3.134823685649999E-13 2.547541938583703E-10 -1.1692623780653E-9 1.252571213573774E-9 -8.796261171747735E-11
i -5.608282903705717E-15 1.330303632487801E-14 -2.459814946980648E-12 8.778560243908065E-11 -8.796261171747735E-11 2.737254571402918E-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 15.9   n/a MPO432395  

85092 (4253 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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Alternate Designations
 4253 T-2 = 1991 RY23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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