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 ]  
136718 (1995 UP18)
Classification: Main-belt Asteroid          SPK-ID: 2136718
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04635394282039239 4.4858e-08  
a 3.066810039651483 2.5511e-08 au
q 2.924651302432473 1.3881e-07 au
i 9.026324891194507 5.9834e-06 deg
node 4.576686134393418 3.0077e-05 deg
peri 68.69896796888327 7.0386e-05 deg
M 154.4975935894495 6.3687e-05 deg
tp 2458158.624327593338
(2018-Feb-09.12432759)
0.00034461 TDB
period 1961.682606343811
5.37
2.4477e-05
6.701e-08
d
yr
n .1835159259891532 2.2898e-09 deg/d
Q 3.208968776870493 2.6693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-08-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:39  

Additional Information
 Earth MOID = 1.95328 au 
 Jupiter MOID = 1.92837 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457211.5 (2015-Jul-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04744587327671755 4.4655e-08  
q 2.921772104605725 1.3831e-07 au
tp 2458164.104142720964
(2018-Feb-14.60414272)
0.00033767 TDB
node 4.599848761129159 3.0077e-05 deg
peri 69.80202070872092 6.922e-05 deg
i 9.026414993708116 5.9832e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-08-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:39  

Additional Information
 Jupiter MOID = 1.92837 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.994040728537524E-15 -6.0790788017792E-15 -3.022059605317266E-12 3.848031608487946E-15 -5.938751191921918E-13 -1.354234334758471E-15
q -6.0790788017792E-15 1.912831885981966E-14 1.099055163314482E-11 -8.323101583564879E-15 2.082502525933662E-12 5.506466966078155E-15
tp -3.022059605317266E-12 1.099055163314482E-11 1.140214142485059E-7 -7.75477689641562E-12 2.106049816183046E-8 9.085747299837518E-13
node 3.848031608487946E-15 -8.323101583564879E-15 -7.75477689641562E-12 9.046339031364532E-10 -8.946857236864845E-10 1.218586825896612E-11
peri -5.938751191921918E-13 2.082502525933662E-12 2.106049816183046E-8 -8.946857236864845E-10 4.791371802493542E-9 -1.189239347322967E-11
i -1.354234334758471E-15 5.506466966078155E-15 9.085747299837518E-13 1.218586825896612E-11 -1.189239347322967E-11 3.579867769110361E-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 15.1   n/a MPO385594  

136718 (1995 UP18)          Discovered 1995-Oct-18 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1995 UP18 = 1998 FJ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 10:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin