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90627 (2090 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2090627
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644547010102403 4.1836e-08  
a 2.277603141261744 9.4272e-09 au
q 1.90304059764556 9.7543e-08 au
i 4.354660750944198 4.5926e-06 deg
node 356.849906789159 5.3572e-05 deg
peri 358.1255553010877 5.539e-05 deg
M 214.1798610300983 1.7146e-05 deg
tp 2459509.046317190177
(2021-Oct-21.54631719)
6.1897e-05 TDB
period 1255.496500563973
3.44
7.7949e-06
2.134e-08
d
yr
n .2867391504781471 1.7803e-09 deg/d
Q 2.652165684877928 1.0978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      17022 days (46.60 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57917  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:33:35  

Additional Information
 Earth MOID = .898295 au 
 Jupiter MOID = 2.78128 au 
 T_jup = 3.586 
[ 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 16.7   n/a MPO468890  

90627 (2090 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2090 T-2 = 1997 SM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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