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JPL Small-Body Database Browser
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39381 (2603 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039381
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889514083765667 4.0182e-08  
a 2.370301706575511 9.2569e-09 au
q 1.922429860840689 9.4406e-08 au
i 2.882473863808059 4.0124e-06 deg
node 155.5774992589093 9.1981e-05 deg
peri 275.6086382881044 9.2839e-05 deg
M 78.93247384354285 1.1057e-05 deg
tp 2458708.248274314106
(2019-Aug-12.74827431)
4.068e-05 TDB
period 1332.919343887114
3.65
7.8083e-06
2.138e-08
d
yr
n .2700838589003843 1.5822e-09 deg/d
Q 2.818173552310334 1.1006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      21653 days (59.28 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:48:40  

Additional Information
 Earth MOID = .939521 au 
 Jupiter MOID = 2.46739 au 
 T_jup = 3.519 
[ 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 16.5   n/a MPO452716  

39381 (2603 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2603 P-L = 2000 QT21 = 2000 SG193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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