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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839313798066517 4.1868e-08  
a 2.269702604117093 9.182e-09 au
q 1.852233072391086 9.4748e-08 au
i 4.681471943805958 4.3705e-06 deg
node 167.5113428771524 5.7695e-05 deg
peri 191.0011254685292 5.908e-05 deg
M 161.6457119279373 1.4116e-05 deg
tp 2458439.692841869200
(2018-Nov-17.19284187)
4.7433e-05 TDB
period 1248.96957994835
3.42
7.579e-06
2.075e-08
d
yr
n .2882376046459734 1.7491e-09 deg/d
Q 2.687172135843101 1.0871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      21701 days (59.41 yr)  
   first obs. used      1960-10-22  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:25:33  

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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