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 ]  
173154 (1996 ME)
Classification: Mars-crossing Asteroid          SPK-ID: 2173154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3051374398310115 4.4194e-08  
a 2.211686634267839 9.081e-09 au
q 1.536818236978884 1.0063e-07 au
i 7.682217053969373 4.4676e-06 deg
node 121.6976199450883 3.0238e-05 deg
peri 208.6959351503704 3.0946e-05 deg
M 53.29568962380185 5.8187e-06 deg
tp 2458822.642000825970
(2019-Dec-05.14200083)
1.9096e-05 TDB
period 1201.389458596207
3.29
7.3992e-06
2.026e-08
d
yr
n .2996530370931094 1.8455e-09 deg/d
Q 2.886555031556794 1.1852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1996-06-16  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:59:55  

Additional Information
 Earth MOID = .530714 au 
 Jupiter MOID = 2.48654 au 
 T_jup = 3.583 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3052205666254386 4.4183e-08  
q 1.53668396045641 1.0062e-07 au
tp 2457621.856729715972
(2016-Aug-21.35672972)
1.8592e-05 TDB
node 121.7274908665664 3.0249e-05 deg
peri 208.7751417903109 3.096e-05 deg
i 7.68092152202081 4.4669e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1996-06-16  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:59:55  

Additional Information
 Jupiter MOID = 2.48654 au 
 T_jup = 3.583 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.952134455856767E-15 -4.438454966239913E-15 1.456324361089539E-13 4.221467367309491E-14 5.787800229339001E-14 -9.103270710782809E-15
q -4.438454966239913E-15 1.012417776908857E-14 -3.387091318383628E-13 -9.652174164887873E-14 -1.377762895784274E-13 2.125491218438951E-14
tp 1.456324361089539E-13 -3.387091318383628E-13 3.456635680150045E-10 7.217369076165954E-12 1.347067666618812E-10 -8.322733957606393E-14
node 4.221467367309491E-14 -9.652174164887873E-14 7.217369076165954E-12 9.150154122097034E-10 -9.022133541631275E-10 1.899804469220639E-11
peri 5.787800229339001E-14 -1.377762895784274E-13 1.347067666618812E-10 -9.022133541631275E-10 9.584980671296463E-10 -1.918170468370674E-11
i -9.103270710782809E-15 2.125491218438951E-14 -8.322733957606393E-14 1.899804469220639E-11 -1.918170468370674E-11 1.995315429180068E-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 16.6   n/a MPO436860  

173154 (1996 ME)          Discovered 1996-Jun-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1996 ME = 2003 SY268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 16:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin