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JPL Small-Body Database Browser
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193815 (2001 PW57)
Classification: Main-belt Asteroid          SPK-ID: 2193815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839313821539337 4.1965e-08  
a 2.269702603680328 9.192e-09 au
q 1.852233066707023 9.4996e-08 au
i 4.68147229216842 4.3818e-06 deg
node 167.5113564348821 5.9218e-05 deg
peri 191.0011142515637 6.0615e-05 deg
M 161.6457102702077 1.4256e-05 deg
tp 2458439.692847782338
(2018-Nov-17.19284778)
4.7958e-05 TDB
period 1248.969579587836
3.42
7.5873e-06
2.077e-08
d
yr
n .2882376047291731 1.751e-09 deg/d
Q 2.687172140653632 1.0883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      21645 days (59.26 yr)  
   first obs. used      1960-10-22  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:09:34  

Additional Information
 Earth MOID = .848575 au 
 Jupiter MOID = 2.75997 au 
 T_jup = 3.587 
[ 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 17.5   n/a MPO454346  

193815 (2001 PW57)          Discovered 2001-Aug-14 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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