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JPL Small-Body Database Browser
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523854 (1995 SW81)
Classification: Main-belt Asteroid          SPK-ID: 2523854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118006800118515 1.5527e-07  
a 2.394230321162625 2.1389e-08 au
q 2.111694862215499 3.7841e-07 au
i 6.181443406745254 1.7738e-05 deg
node 16.56010070882157 9.7315e-05 deg
peri 295.9767295331485 0.00011658 deg
M 181.8980461131902 5.9662e-05 deg
tp 2459269.942838315070
(2021-Feb-24.44283831)
0.00022227 TDB
period 1353.154283453786
3.70
1.8133e-05
4.965e-08
d
yr
n .2660450507396225 3.5652e-09 deg/d
Q 2.676765780109751 2.3914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      8503 days (23.28 yr)  
   first obs. used      1995-09-22  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:39  

Additional Information
 Earth MOID = 1.106 au 
 Jupiter MOID = 2.57736 au 
 T_jup = 3.513 
[ 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 17.9   .36525 MPO450835 autocmod 2.6n

523854 (1995 SW81)          Discovered 1995-Sep-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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