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85357 (1995 WW9)
Classification: Main-belt Asteroid          SPK-ID: 2085357
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 .08084055941787924 4.4827e-08  
a 2.360303381877471 1.0998e-08 au
q 2.169495136090585 1.1213e-07 au
i 7.852863452856629 4.6601e-06 deg
node 40.37387749490815 3.0758e-05 deg
peri 26.24703058415942 5.3318e-05 deg
M 4.440412453923306 4.6974e-05 deg
tp 2459380.163049953058
(2021-Jun-14.66304995)
0.00017274 TDB
period 1324.494532417263
3.63
9.2575e-06
2.535e-08
d
yr
n .2718018015091263 1.8998e-09 deg/d
Q 2.551111627664358 1.1887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      707  
   data-arc span      9215 days (25.23 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:37  

Additional Information
 Earth MOID = 1.18487 au 
 Jupiter MOID = 2.6732 au 
 T_jup = 3.535 
[ 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 15.95   n/a E2021B10  

85357 (1995 WW9)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1995 WW9 = 2002 RA114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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