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278513 Schwope (2008 CE120)
Classification: Main-belt Asteroid          SPK-ID: 2278513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096346006041683 7.0335e-08  
a 2.390562284338015 1.7748e-08 au
q 1.889417714641427 1.668e-07 au
i 9.348484764254165 4.5598e-06 deg
node 149.6176997910202 3.7192e-05 deg
peri 241.6212821822433 3.9043e-05 deg
M 308.1597750947641 1.6843e-05 deg
tp 2459590.907447524594
(2022-Jan-11.40744752)
6.475e-05 TDB
period 1350.04586181464
3.70
1.5035e-05
4.116e-08
d
yr
n .2666576078505307 2.9696e-09 deg/d
Q 2.891706854034603 2.1469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1995-07-03  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 04:05:13  

Additional Information
 Earth MOID = .913493 au 
 Jupiter MOID = 2.60372 au 
 T_jup = 3.485 
[ 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 17.05   n/a MPCxxxxx  
diameter diameter 2.447 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

278513 Schwope           Discovered 2008 Feb. 14 by B. Thinius at the Inastars Observatory, Potsdam.
Axel Schwope (b. 1959) is a German astronomer at the Leibniz Institute for Astrophysics in Potsdam. His research focuses on compact X-ray emitting objects. The name acknowledges the interaction between a professional and an amateur astronomer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

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