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 ]  
100538 (1997 ET10)
Classification: Main-belt Asteroid          SPK-ID: 2100538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167042747549608 7.368e-08  
a 3.117806595208449 2.887e-08 au
q 2.753945237688414 2.206e-07 au
i 9.61989226675241 7.017e-06 deg
node 7.322308790314876 3.2642e-05 deg
peri 43.47056724875233 4.1742e-05 deg
M 236.4340940447526 2.6382e-05 deg
tp 2459890.689488654828
(2022-Nov-07.18948865)
0.00015135 TDB
period 2010.815313454888
5.51
2.7929e-05
7.647e-08
d
yr
n .1790318571731309 2.4867e-09 deg/d
Q 3.481667952728485 3.2239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-03-02  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58309  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:38  

Additional Information
 Earth MOID = 1.772 au 
 Jupiter MOID = 1.99948 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456852.5 (2014-Jul-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191833623298812 7.2967e-08  
q 2.742570728185548 2.1691e-07 au
tp 2455879.057587353530
(2011-Nov-13.55758735)
0.00013577 TDB
node 7.41159748887057 3.2636e-05 deg
peri 44.17509419604351 4.149e-05 deg
i 9.625793401910796 7.0216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-03-02  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58309  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:38  

Additional Information
 Jupiter MOID = 1.99948 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.324130241430597E-15 -1.573141139785216E-14 -2.268939500083949E-12 -1.11740892351078E-14 -5.344943689603061E-13 -6.440490115454417E-15
q -1.573141139785216E-14 4.70489250471351E-14 7.084462559105378E-12 3.223122032353722E-14 1.700875686853507E-12 1.960307801597568E-14
tp -2.268939500083949E-12 7.084462559105378E-12 1.843387689533075E-8 -1.063418326617378E-13 3.491115903733468E-9 -1.065289867085112E-11
node -1.11740892351078E-14 3.223122032353722E-14 -1.063418326617378E-13 1.065098541965965E-9 -1.049743858923871E-9 3.556298644061772E-11
peri -5.344943689603061E-13 1.700875686853507E-12 3.491115903733468E-9 -1.049743858923871E-9 1.721457869352235E-9 -3.675465952248703E-11
i -6.440490115454417E-15 1.960307801597568E-14 -1.065289867085112E-11 3.556298644061772E-11 -3.675465952248703E-11 4.930345198892156E-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 15.44   n/a E2021B55  

100538 (1997 ET10)          Discovered 1997-Mar-07 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 ET10 = 2000 WV70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 00:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin