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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2013 NJ)
Classification: Apollo [NEO]          SPK-ID: 3644684
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2835064950553892 1.1013e-08  
a 1.285994291097138 8.3876e-09 au
q .9214065569669485 1.374e-08 au
i 3.940264315145372 2.3183e-06 deg
node 238.5865726208066 4.642e-06 deg
peri 140.3505150916767 3.1454e-06 deg
M 99.52882304264818 1.9241e-05 deg
tp 2459249.233706784878
(2021-Feb-03.73370678)
2.7034e-05 TDB
period 532.6684666483653
1.46
5.2113e-06
1.427e-08
d
yr
n .6758425222074385 6.612e-09 deg/d
Q 1.650582025227328 1.0766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   # delay obs. used      5  
   # Doppler obs. used      4  
   data-arc span      1345 days (3.68 yr)  
   first obs. used      2013-07-01  
   last obs. used      2017-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36139  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 08:16:33  

Additional Information
 Earth MOID = .00642537 au 
 Jupiter MOID = 3.81517 au 
 T_jup = 4.997 
[ 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 22.0   n/a MPO403052  
rotation period rot_per 250. h n/a LCDB (Rev. 2020-October); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 02:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin