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18208 (4095 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2018208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416551882088299 3.4865e-08  
a 2.712166744175127 1.1288e-08 au
q 2.32797425357527 9.1659e-08 au
i 4.35981948544332 3.7439e-06 deg
node 231.115318344502 4.9546e-05 deg
peri 208.4311282374342 5.2807e-05 deg
M 112.489586677896 1.5927e-05 deg
tp 2458690.719960222443
(2019-Jul-26.21996022)
7.1891e-05 TDB
period 1631.447138706415
4.47
1.0185e-05
2.789e-08
d
yr
n .2206629877603306 1.3776e-09 deg/d
Q 3.096359234774984 1.2887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      22066 days (60.41 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:09  

Additional Information
 Earth MOID = 1.34419 au 
 Jupiter MOID = 2.15039 au 
 T_jup = 3.344 
[ 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 15.50   n/a E2021B10  

18208 (4095 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4095 P-L = 1978 UJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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