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 ]  
7308 Hattori (1995 BQ4)
Classification: Main-belt Asteroid          SPK-ID: 2007308
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0428311499860787 6.9016e-08  
a 3.066033464042188 4.2163e-08 AU
q 2.93471172488146 2.2345e-07 AU
i 8.123564075778027 7.3865e-06 deg
node 281.0136497891532 5.9795e-05 deg
peri 335.5534755490959 0.00012422 deg
M 88.5238505460616 0.00010895 deg
tp 2456318.306270646862
(2013-Jan-25.80627065)
0.00059494 JED
period 1960.937549556837
5.37
4.0449e-05
1.107e-07
d
yr
n .183585652730939 3.7869e-09 deg/d
Q 3.197355203202915 4.3969e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      11225 days (30.73 yr)  
   first obs. used      1982-10-21  
   last obs. used      2013-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50643  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:40:47  

Additional Information
 Earth MOID = 1.92111 AU 
 T_jup = 3.216 
[ 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 12.5 mag n/a MPO265997  

7308 Hattori (1995 BQ4)          Discovered 1995-Jan-31 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1995 BQ4 = 1982 UM8 = 1987 SG30 = 1992 QY1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-18 03:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin