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JPL Small-Body Database Browser
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85114 (4285 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2085114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630918876893857 5.8735e-08  
a 2.837439045207907 2.2453e-08 au
q 2.374675755121381 1.7546e-07 au
i 16.39283817114849 5.1686e-06 deg
node 186.0447407487073 1.4813e-05 deg
peri 157.9323824127275 2.1719e-05 deg
M 278.0191267741757 1.4024e-05 deg
tp 2458998.055967677153
(2020-May-28.55596768)
6.8788e-05 TDB
period 1745.774870798664
4.78
2.0722e-05
5.673e-08
d
yr
n .2062121560011376 2.4477e-09 deg/d
Q 3.300202335294433 2.6115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      15290 days (41.86 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:28  

Additional Information
 Earth MOID = 1.37518 au 
 Jupiter MOID = 2.18114 au 
 T_jup = 3.232 
[ show covariance matrix ]

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 15.3   n/a MPO439613  
diameter diameter 4.197 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85114 (4285 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 4285 T-3 = 2001 SQ254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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