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JPL Small-Body Database Browser
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357409 (2003 WN81)
Classification: Main-belt Asteroid          SPK-ID: 2357409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969185544326576 4.741e-08  
a 2.602125183319485 3.4618e-08 au
q 2.089718453767398 1.1935e-07 au
i 4.760171954702499 1.2319e-05 deg
node 124.8127482496162 8.8365e-05 deg
peri 295.3783313189712 0.0001061 deg
M 248.7824169415526 6.1201e-05 deg
tp 2459074.154489109342
(2020-Aug-12.65448911)
0.00026847 TDB
period 1533.171387025676
4.20
3.0595e-05
8.376e-08
d
yr
n .2348074083866079 4.6857e-09 deg/d
Q 3.114531912871572 4.1435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5727 days (15.68 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:46  

Additional Information
 Earth MOID = 1.10743 au 
 Jupiter MOID = 2.23128 au 
 T_jup = 3.382 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO277028  

357409 (2003 WN81)          Discovered 2003-Nov-20 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2003 WN81 = 2007 VF268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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