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12766 Paschen (1993 VV4)
Classification: Main-belt Asteroid          SPK-ID: 2012766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04950440475859846 3.345e-08  
a 3.037964558554445 1.6795e-08 au
q 2.887571931405489 1.0748e-07 au
i 9.736667574516229 3.5911e-06 deg
node 83.36075280638053 2.2597e-05 deg
peri 349.9410642471508 4.5225e-05 deg
M 355.2750349248302 3.8886e-05 deg
tp 2459025.884498237470
(2020-Jun-25.38449824)
0.00020893 TDB
period 1934.071304254182
5.30
1.6039e-05
4.391e-08
d
yr
n .1861358468057223 1.5436e-09 deg/d
Q 3.188357185703401 1.7627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2038  
   data-arc span      9582 days (26.23 yr)  
   first obs. used      1993-11-09  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:26:49  

Additional Information
 Earth MOID = 1.9032 au 
 Jupiter MOID = 2.01603 au 
 T_jup = 3.217 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO358754  
diameter diameter 10.264 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.153   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12766 Paschen           Discovered 1993 Nov. 9 by E. W. Elst at Caussols.
Louis Paschen (1865-1947) was a German physicist and an outstanding spectroscopist. In 1895, he investigated the spectrum of the helium atom and showed that several lines were identical with lines found in the solar spectrum. He is also know for Paschen's law on the breakdown mechanism in gases.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

Alternate Designations
 1993 VV4 = 1996 JP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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