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 ]  
437505 (2013 YJ78)
Classification: Main-belt Asteroid          SPK-ID: 2437505
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04036754878193156 6.179e-08  
a 3.167539513654682 8.102e-08 au
q 3.03967370781853 2.3542e-07 au
i 10.19155970906642 6.5732e-06 deg
node 122.517883099029 5.0206e-05 deg
peri 1.989338080209957 0.00012872 deg
M 331.6208598742569 0.00011851 deg
tp 2458762.822312186841
(2019-Oct-06.32231219)
0.00067924 TDB
period 2059.119202637673
5.64
7.9002e-05
2.163e-07
d
yr
n .1748320347548847 6.7078e-09 deg/d
Q 3.295405319490833 8.429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      4936 days (13.51 yr)  
   first obs. used      2005-07-03  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:46:29  

Additional Information
 Earth MOID = 2.05557 au 
 Jupiter MOID = 1.75542 au 
 T_jup = 3.177 
[ 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 16.0   n/a MPO336318  
rotation period rot_per 6.04 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

437505 (2013 YJ78)          Discovered 2013-Dec-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ 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 2019-Dec-07 20:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin