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 ]  
7380 (1981 RF)
Classification: Main-belt Asteroid          SPK-ID: 2007380
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901904923627356 7.0162e-08  
a 2.430452362751098 1.6539e-08 AU
q 1.968203431215293 1.7212e-07 AU
i 3.418233530366384 5.9887e-06 deg
node 117.862201091875 0.00011428 deg
peri 238.8496049684921 0.00011557 deg
M 274.7543224817189 2.315e-05 deg
tp 2457328.216994134547
(2015-Nov-01.71699413)
9.1196e-05 JED
period 1383.97771386281
3.79
1.4127e-05
3.868e-08
d
yr
n .2601197955675215 2.6551e-09 deg/d
Q 2.892701294286903 1.9684e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      12340 days (33.79 yr)  
   first obs. used      1981-08-30  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5353  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:56:42  

Additional Information
 Earth MOID = .966632 AU 
 T_jup = 3.480 
[ 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 14.1 mag n/a MPO319177  
rotation period rot_per 4.37 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

7380 (1981 RF)          Discovered 1981-Sep-03 by Thomas, N. G. at Anderson Mesa
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-03 21:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin