Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
311999 (2007 NS2)
Classification: Mars-crossing Asteroid          SPK-ID: 2311999
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05407667735822674 2.0475e-07  
a 1.523686639443476 1.4856e-08 AU
q 1.441290728647251 3.131e-07 AU
i 18.6215427282548 1.5848e-05 deg
node 282.4979089656316 1.6254e-05 deg
peri 176.8129960502275 0.00013205 deg
M 75.2012839018324 0.00011526 deg
tp 2456656.995780635822
(2013-Dec-30.49578064)
0.00022134 JED
period 686.9765553277363
1.88
1.0047e-05
2.751e-08
d
yr
n .5240353505633895 7.6642e-09 deg/d
Q 1.606082550239702 1.566e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5516 days (15.10 yr)  
   first obs. used      1998-12-14  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60886  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 13:59:51  

Additional Information
 Earth MOID = .457821 AU 
 T_jup = 4.439 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0 mag n/a MPO281579  

311999 (2007 NS2)          Discovered 2007-Jul-14 by La Sagra at La Sagra (J75)
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-31 01:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin