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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474165234203468 4.1034e-08  
a 2.365849311111424 1.0309e-08 au
q 2.017084030730956 9.8693e-08 au
i 1.40172958731013 4.2589e-06 deg
node 325.7856764551399 0.0001975 deg
peri 205.4081335512253 0.00019837 deg
M 298.8332316094639 1.9456e-05 deg
tp 2459622.335432402785
(2022-Feb-11.83543240)
7.2687e-05 TDB
period 1329.165457065109
3.64
8.6872e-06
2.378e-08
d
yr
n .2708466414669738 1.7702e-09 deg/d
Q 2.714614591491893 1.1828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      18133 days (49.65 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52095  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:41:04  

Additional Information
 Earth MOID = 1.02372 au 
 Jupiter MOID = 2.25276 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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