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 ]  
7458 (1984 DE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2007458
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739723159680148 7.2025e-08  
a 3.732998812447628 5.717e-08 au
q 3.083560363540265 2.9218e-07 au
i 1.767421529125879 6.9587e-06 deg
node 323.6168963085776 0.00020177 deg
peri 239.389022819279 0.00020233 deg
M 101.2688559545701 2.0592e-05 deg
tp 2456859.431066523681
(2014-Jul-20.93106652)
0.00013756 JED
period 2634.421150873437
7.21
6.0518e-05
1.657e-07
d
yr
n .136652410295386 3.1392e-09 deg/d
Q 4.382437261354991 6.7116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      14267 days (39.06 yr)  
   first obs. used      1977-03-25  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49112  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:59:17  

Additional Information
 Earth MOID = 2.08041 au 
 Jupiter MOID = .618516 au 
 T_jup = 3.061 
[ 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 11.8 mag n/a MPO319178  
rotation period rot_per 16.7 h n/a LCDB (Rev. 2016-February); 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.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]

7458 (1984 DE1)          Discovered 1984-Feb-28 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 DE1 = 1977 FL3 = 1977 GQ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-03 23:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin