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90960 (1997 WH16)
Classification: Main-belt Asteroid          SPK-ID: 2090960
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680152510493706 4.6451e-08  
a 2.384405889001118 1.0232e-08 au
q 1.745348746056886 1.1416e-07 au
i 25.45090700533047 5.7035e-06 deg
node 70.41640873451428 1.2236e-05 deg
peri 2.313374809985898 1.6459e-05 deg
M 134.9744138579836 1.1679e-05 deg
tp 2458892.282801655523
(2020-Feb-12.78280166)
4.2027e-05 TDB
period 1344.834077923836
3.68
8.6567e-06
2.37e-08
d
yr
n .2676910155011616 1.7231e-09 deg/d
Q 3.023463031945351 1.2975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1997-11-28  
   last obs. used      2021-06-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:56  

Additional Information
 Earth MOID = .75997 au 
 Jupiter MOID = 2.30054 au 
 T_jup = 3.360 
[ 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 15.63   n/a MPO637237  

90960 (1997 WH16)          Discovered 1997-Nov-28 by NEAT at Haleakala
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1997 WH16 = 2001 TQ46 = 2002 CK7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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