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 ]  
442370 (2011 SJ259)
Classification: Main-belt Asteroid          SPK-ID: 2442370
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07584740689494099 4.8257e-08  
a 2.783819866086958 4.1121e-08 au
q 2.57267434798164 1.3928e-07 au
i 9.019898365030182 5.5174e-06 deg
node 224.7225104725962 3.3868e-05 deg
peri 30.36958119251514 5.2987e-05 deg
M 77.78160073889732 3.8673e-05 deg
tp 2458633.948925114166
(2019-May-30.44892511)
0.0001817 TDB
period 1696.524444153153
4.64
3.759e-05
1.029e-07
d
yr
n .2121985340327352 4.7017e-09 deg/d
Q 2.994965384192275 4.424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      2889 days (7.91 yr)  
   first obs. used      2011-09-26  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55363  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:05  

Additional Information
 Earth MOID = 1.56302 au 
 Jupiter MOID = 2.02793 au 
 T_jup = 3.310 
[ 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 16.1   n/a MPO437720  

442370 (2011 SJ259)          Discovered 2011-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SJ259 = 2014 HJ134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-03 21:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin