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 ]  
185638 Erwinschwab (2008 EU7)
Classification: Main-belt Asteroid          SPK-ID: 2185638
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588523410625032 6.4714e-08  
a 2.380638397276376 1.4699e-08 au
q 2.002468414645738 1.5238e-07 au
i 2.884043749823829 4.8995e-06 deg
node 33.50661845225358 0.00013004 deg
peri 134.4373661544815 0.00013073 deg
M 173.9183143235343 1.568e-05 deg
tp 2458552.341240572391
(2019-Mar-09.84124057)
5.6776e-05 TDB
period 1341.647970206692
3.67
1.2426e-05
3.402e-08
d
yr
n .268326720566304 2.4852e-09 deg/d
Q 2.758808379907014 1.7034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      9099 days (24.91 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:47:59  

Additional Information
 Earth MOID = 1.00985 au 
 Jupiter MOID = 2.20975 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457944.5 (2017-Jul-10.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577557202509103 6.4605e-08  
q 2.005646214416783 1.5204e-07 au
tp 2458550.967361870894
(2019-Mar-08.46736187)
5.7273e-05 TDB
node 33.61054648251714 0.0001299 deg
peri 134.132756296095 0.0001306 deg
i 2.885401221357176 4.8983e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      9099 days (24.91 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:47:59  

Additional Information
 Jupiter MOID = 2.20975 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.17380621740201E-15 -9.791560168659787E-15 -4.025279368652431E-13 -1.865920382074628E-14 -2.071587305332473E-13 1.833033769336568E-15
q -9.791560168659787E-15 2.311744225005619E-14 1.124556188904985E-12 4.605417866061001E-14 5.07514600123571E-13 -4.33963652057129E-15
tp -4.025279368652431E-13 1.124556188904985E-12 3.280170159026016E-9 1.483707288419165E-11 8.238708283509172E-10 -1.168510832194174E-12
node -1.865920382074628E-14 4.605417866061001E-14 1.483707288419165E-11 1.687300490829066E-8 -1.684706152666894E-8 -1.933581455171659E-10
peri -2.071587305332473E-13 5.07514600123571E-13 8.238708283509172E-10 -1.684706152666894E-8 1.705735974241302E-8 1.928024733977246E-10
i 1.833033769336568E-15 -4.33963652057129E-15 -1.168510832194174E-12 -1.933581455171659E-10 1.928024733977246E-10 2.399365343174925E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.47   n/a E2021B55  

185638 Erwinschwab           Discovered 2008 Mar. 1 at the Observatorio de La Sagra.
Erwin Schwab (b. 1964) is a German amateur astronomer who started observing minor planets in 1981. Together with Rainer Kling, he initiated the astrometric program at the Taunus Observatory. Schwab has discovered numerous minor planets at the Starkenburg, Tzec Maun and Taunus observatories.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08

Alternate Designations
 2008 EU7 = 1995 UZ53 = 1999 XL246 = 2006 SR87 = 2006 UP322 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 22:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin