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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
(2015 SK7)
Classification: Apollo [NEO]          SPK-ID: 3728733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6197225416593405 0.00047557  
a 2.373505861992067 0.0027955 au
q .9025907765549995 6.5859e-05 au
i 2.377407469074703 0.0012151 deg
node 359.5596397722358 0.00090167 deg
peri 317.070308771529 0.0015281 deg
M 110.2334177401014 0.80423 deg
tp 2458591.526976857909
(2019-Apr-18.02697686)
2.2612 TDB
period 1335.623002076188
3.66
2.3596
0.00646
d
yr
n .2695371369318963 0.00047618 deg/d
Q 3.844420947429135 0.0045279 au
  Orbit Determination Parameters
   # obs. used (total)      32  
   data-arc span      19 days  
   first obs. used      2015-09-24  
   last obs. used      2015-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .51898  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:31:44  

Additional Information
 Earth MOID = .000355736 au 
 Jupiter MOID = 1.49331 au 
 T_jup = 3.251 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.9   n/a E2015-TC1  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2006-May-11 10:46 9_19:01 Earth 0.493194024997924 0.228770171088122 0.75775893882138 26.9394768101997 26.9392762674296 2453866.948481945 14101.3580258999 13195822.5110193 3426.8892629048 1.54036780896582 537.860292093303 T 9 CATAB v2.0e-lin.ifort 2017-Nov-30 07:35:46 2018-Dec-11 16:43
2015-Sep-22 20:38 00:03 Moon 0.00244552340436016 0.00244526315115829 0.00244578382840072 12.0663781123241 12.0652674296279 2457288.359881890 3.40236570971353 38.6013760272742 6.01580641881453 -72.3561457848277 91643.6173798266 T 9 CATAB v2.0e-lin.ifort 2017-Nov-30 07:35:46 2018-Dec-11 16:43
2015-Sep-22 21:44 00:03 Earth 0.000177876096979724 0.00017741634622458 0.000178335654371572 13.7086384496772 12.5685299135795 2457288.405883267 3.00424575601769 20.7649338556231 3.82967323856472 1.13760899003527 749.502847258736 T 9 CATAB v2.0e-lin.ifort 2017-Nov-30 07:35:46 2018-Dec-11 16:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-28 08:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin