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 ]  
505657 (2014 SR339)
Classification: Apollo [NEO, PHA]          SPK-ID: 2505657
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 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3038825673619566 1.8801e-08  
a 1.299766494486571 6.8083e-09 au
q .9047901151709417 2.3811e-08 au
i 29.79435451330075 5.2508e-06 deg
node 138.7591760570712 2.0836e-06 deg
peri 299.643226476085 6.5436e-06 deg
M 232.6445675216418 6.0454e-06 deg
tp 2459191.974704215763
(2020-Dec-08.47470422)
1.0379e-05 TDB
period 541.2481601787048
1.48
4.2526e-06
1.164e-08
d
yr
n .665129281697952 5.226e-09 deg/d
Q 1.694742873802201 8.8772e-09 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   # delay obs. used      5  
   # Doppler obs. used      1  
   data-arc span      2096 days (5.74 yr)  
   first obs. used      2014-09-30  
   last obs. used      2020-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-27 06:00:44  

Additional Information
 Earth MOID = .0357214 au 
 Jupiter MOID = 3.60583 au 
 T_jup = 4.830 
[ 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 18.5   n/a MPO456432  
diameter diameter 0.971 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 8.71 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Franco, L.; Marchini, A.; Baj, G.; Scarfi, G.; et al. (2018) Minor Planet Bull. 45, 399-400.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 248-256.]
geometric albedo albedo 0.068   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

505657 (2014 SR339)          Discovered 2014-Sep-30 by WISE at WISE
Reference: Last Updated: 2017-11-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 16:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin