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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100693459938287 7.0331e-08  
a 2.388980566003182 1.7603e-08 au
q 1.887128980910926 1.6675e-07 au
i 9.346683447377917 4.5624e-06 deg
node 149.6336219598117 3.7331e-05 deg
peri 241.8036485195363 3.917e-05 deg
M 202.3243595251703 1.6013e-05 deg
tp 2459591.216980567404
(2022-Jan-11.71698057)
6.4638e-05 TDB
period 1348.706194335786
3.69
1.4906e-05
4.081e-08
d
yr
n .2669224783810632 2.9501e-09 deg/d
Q 2.890832151095437 2.13e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1995-07-03  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:11:00  

Additional Information
 Earth MOID = .912059 au 
 Jupiter MOID = 2.60219 au 
 T_jup = 3.485 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457469.5 (2016-Mar-22.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092126160866621 7.0215e-08  
q 1.890349296994052 1.6634e-07 au
tp 2456893.533851275372
(2014-Aug-24.03385128)
4.7432e-05 TDB
node 149.6553318824984 3.7311e-05 deg
peri 241.9205345821537 3.9165e-05 deg
i 9.346675495992477 4.5626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1995-07-03  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51761  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:11:00  

Additional Information
 Jupiter MOID = 2.60219 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.930111752582214E-15 -1.163888841200986E-14 1.452751698900247E-12 -9.534526509125411E-14 2.751035946012451E-13 -1.135045535483359E-14
q -1.163888841200986E-14 2.766783014303977E-14 -3.228197021735256E-12 2.198864683030774E-13 -5.795880528619362E-13 2.653595318270107E-14
tp 1.452751698900247E-12 -3.228197021735256E-12 2.249795870569349E-9 -5.749866256876371E-11 6.065249056531667E-10 -8.601039646912037E-12
node -9.534526509125411E-14 2.198864683030774E-13 -5.749866256876371E-11 1.392142044791719E-9 -1.385137869448079E-9 3.155499496524214E-11
peri 2.751035946012451E-13 -5.795880528619362E-13 6.065249056531667E-10 -1.385137869448079E-9 1.533920702705596E-9 -3.289686015019003E-11
i -1.135045535483359E-14 2.653595318270107E-14 -8.601039646912037E-12 3.155499496524214E-11 -3.289686015019003E-11 2.081702103099044E-11

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 17.0   n/a MPO470946  
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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