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 ]  
78601 (2002 SL31)
Classification: Main-belt Asteroid          SPK-ID: 2078601
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08003643844151709 4.6547e-08  
a 3.105691039119766 2.5442e-08 au
q 2.857122589448886 1.4648e-07 au
i 11.08768735333364 4.5963e-06 deg
node 106.2765717450935 2.5025e-05 deg
peri 321.5692744359204 4.0696e-05 deg
M 27.57897837972576 2.9775e-05 deg
tp 2458847.351949100092
(2019-Dec-29.85194910)
0.00016571 TDB
period 1999.10589742864
5.47
2.4565e-05
6.726e-08
d
yr
n .1800805052213851 2.2128e-09 deg/d
Q 3.354259488790646 2.7478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      778  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:15  

Additional Information
 Earth MOID = 1.88132 au 
 Jupiter MOID = 1.87976 au 
 T_jup = 3.187 
[ 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 14.4   n/a MPO417368  
diameter diameter 4.209 km 1.629 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78601 (2002 SL31)          Discovered 2002-Sep-28 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 SL31 = 1999 CR36 = 2000 HE96 
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-26 19:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin