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90990 (1997 YT3)
Classification: Main-belt Asteroid          SPK-ID: 2090990
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166840044282811 3.7498e-08  
a 2.337386687507705 9.5813e-09 au
q 1.947416989057866 8.9727e-08 au
i 6.295524580528637 4.3907e-06 deg
node 283.4573948719844 4.4174e-05 deg
peri 113.3033638095591 4.7576e-05 deg
M 234.4064145419268 1.9669e-05 deg
tp 2459851.864567208562
(2022-Sep-29.36456721)
7.3158e-05 TDB
period 1305.251726011178
3.57
8.0256e-06
2.197e-08
d
yr
n .2758088672291225 1.6959e-09 deg/d
Q 2.727356385957543 1.118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1997-11-25  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:58  

Additional Information
 Earth MOID = .964525 au 
 Jupiter MOID = 2.70604 au 
 T_jup = 3.540 
[ 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 15.91   n/a MPO637237  

90990 (1997 YT3)          Discovered 1997-Dec-22 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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