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JPL Small-Body Database Browser
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85087 (3090 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857002514557035 6.1308e-08  
a 2.374945743545553 9.798e-09 au
q 1.933917721775491 1.4585e-07 au
i 1.83207156429904 6.7322e-06 deg
node 41.05326305012196 0.00019969 deg
peri 6.043095195466149 0.00020074 deg
M 129.5917407770893 2.0087e-05 deg
tp 2458119.268786714998
(2017-Dec-31.76878671)
7.4057e-05 TDB
period 1336.838565048649
3.66
8.2728e-06
2.265e-08
d
yr
n .2692920517197221 1.6665e-09 deg/d
Q 2.815973765315615 1.1618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      16654 days (45.60 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58329  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:18:52  

Additional Information
 Earth MOID = .943175 au 
 Jupiter MOID = 2.56775 au 
 T_jup = 3.518 
[ 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 16.5   n/a MPO432395  

85087 (3090 T-2)          Discovered 1973-Sep-30 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
 3090 T-2 = 1999 XW240 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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