Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457471.5 (2016-Mar-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092193652316419 7.0087e-08  
q 1.890323259128546 1.6599e-07 au
tp 2456893.538992698934
(2014-Aug-24.03899270)
4.7429e-05 TDB
node 149.6552637739265 3.7201e-05 deg
peri 241.9204919089382 3.9062e-05 deg
i 9.346664002386259 4.559e-06 deg
  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
 Jupiter MOID = 2.60372 au 
 T_jup = 3.485 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.912143422704908E-15 -1.159320090557586E-14 1.451551154713708E-12 -9.450728683108081E-14 2.741572827915865E-13 -1.128105975634085E-14
q -1.159320090557586E-14 2.755167239202425E-14 -3.225143321646827E-12 2.178215846669764E-13 -5.772473059522445E-13 2.636402888783333E-14
tp 1.451551154713708E-12 -3.225143321646827E-12 2.249492813427772E-9 -5.737713681425899E-11 6.063439965039461E-10 -8.592521223194359E-12
node -9.450728683108081E-14 2.178215846669764E-13 -5.737713681425899E-11 1.383884414653034E-9 -1.376986665402886E-9 3.10360335042697E-11
peri 2.741572827915865E-13 -5.772473059522445E-13 6.063439965039461E-10 -1.376986665402886E-9 1.525861920451133E-9 -3.238445598846181E-11
i -1.128105975634085E-14 2.636402888783333E-14 -8.592521223194359E-12 3.10360335042697E-11 -3.238445598846181E-11 2.07842784736572E-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 17.05   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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-04 11:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin