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 ]  
270829 (2002 SJ28)
Classification: Main-belt Asteroid          SPK-ID: 2270829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04374240294549044 5.5205e-08  
a 3.111887390195737 4.3011e-08 au
q 2.975765958052804 1.6137e-07 au
i 10.92726467965449 5.5944e-06 deg
node 73.6321030114006 3.2096e-05 deg
peri 228.7196926486925 8.5087e-05 deg
M 162.8106413911528 8.2084e-05 deg
tp 2458093.693712963881
(2017-Dec-06.19371296)
0.00045618 TDB
period 2005.091685307629
5.49
4.157e-05
1.138e-07
d
yr
n .1795429119964493 3.7223e-09 deg/d
Q 3.24800882233867 4.4892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2001-07-24  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 13:22:46  

Additional Information
 Earth MOID = 1.9721 au 
 Jupiter MOID = 1.86216 au 
 T_jup = 3.189 
[ show covariance matrix ]

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 15.5   n/a MPO455011  

270829 (2002 SJ28)          Discovered 2002-Sep-30 by Pravec, P. at Ondrejov
Reference: 20110418/Numbers.arcLast Updated: 2011-04-22

[ show close-approach data ]
Alternate Designations
 2002 SJ28 = 2008 WG48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 01:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin