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 ]  
295644 (2008 SH278)
Classification: Jupiter Trojan          SPK-ID: 2295644
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01587541493766401 1.1634e-07  
a 5.246967900542443 2.7183e-07 au
q 5.163670107956728 7.4461e-07 au
i 9.086398135525389 8.4442e-06 deg
node 257.9858886265501 8.3982e-05 deg
peri 43.94168696395428 0.00045964 deg
M 57.26890827046076 0.00044189 deg
tp 2458302.143079511248
(2018-Jul-02.64307951)
0.0054237 TDB
period 4389.96479885102
12.02
0.00034114
9.34e-07
d
yr
n .08200521336622617 6.3726e-09 deg/d
Q 5.330265693128158 2.7614e-07 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      8365 days (22.90 yr)  
   first obs. used      1996-11-04  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46957  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:02:07  

Additional Information
 Earth MOID = 4.15355 au 
 Jupiter MOID = .107546 au 
 T_jup = 2.975 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO494582  

295644 (2008 SH278)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-13 19:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin