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90618 (1072 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2090618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474482407382302 4.1593e-08  
a 2.365252875116951 1.05e-08 au
q 2.016500499779916 9.974e-08 au
i 1.40172677091727 5.0587e-06 deg
node 325.7835941230605 0.00021267 deg
peri 205.5279148741186 0.00021409 deg
M 191.4221263777106 2.3114e-05 deg
tp 2459622.675443746485
(2022-Feb-12.17544375)
8.6754e-05 TDB
period 1328.662860290814
3.64
8.8478e-06
2.422e-08
d
yr
n .2709490953342401 1.8043e-09 deg/d
Q 2.714005250453987 1.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      17157 days (46.97 yr)  
   first obs. used      1971-03-24  
   last obs. used      2018-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:14:59  

Additional Information
 Earth MOID = 1.0223 au 
 Jupiter MOID = 2.255 au 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO436406  

90618 (1072 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1072 T-1 = 2000 DQ35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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