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85530 (1997 WN15)
Classification: Main-belt Asteroid          SPK-ID: 2085530
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 .2194403416885393 3.6522e-08  
a 2.413257119541675 9.7524e-09 au
q 1.883691152647149 9.0454e-08 au
i 3.080909012441678 4.8613e-06 deg
node 89.20116367429712 6.725e-05 deg
peri 243.7306515149507 6.8249e-05 deg
M 165.7670074018703 9.8943e-06 deg
tp 2458765.979200633025
(2019-Oct-09.47920063)
3.7288e-05 TDB
period 1369.316435940859
3.75
8.3005e-06
2.273e-08
d
yr
n .2629048995184546 1.5937e-09 deg/d
Q 2.9428230864362 1.1892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      8483 days (23.23 yr)  
   first obs. used      1997-11-23  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5728  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:28  

Additional Information
 Earth MOID = .875051 au 
 Jupiter MOID = 2.42972 au 
 T_jup = 3.483 
[ 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 16.48   n/a MPCxxxxx  

85530 (1997 WN15)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 WN15 = 2000 KZ33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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