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90961 (1997 WY17)
Classification: Main-belt Asteroid          SPK-ID: 2090961
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173246500678618 4.8694e-08  
a 2.332011273277733 9.3546e-09 au
q 2.058408866686114 1.1431e-07 au
i 6.760082178143154 5.3442e-06 deg
node 19.5832479516816 3.9712e-05 deg
peri 359.8060738603978 4.5249e-05 deg
M 248.1679065821984 2.2926e-05 deg
tp 2459800.571620237546
(2022-Aug-09.07162024)
8.4051e-05 TDB
period 1300.751679055675
3.56
7.8267e-06
2.143e-08
d
yr
n .2767630484715993 1.6653e-09 deg/d
Q 2.605613679869352 1.0452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:22  

Additional Information
 Earth MOID = 1.0598 au 
 Jupiter MOID = 2.85691 au 
 T_jup = 3.552 
[ 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 16.15   n/a E2021B10  

90961 (1997 WY17)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1997 WY17 = 2001 XV23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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