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
JPL Small-Body Database Browser
Search: [ help ]  
7308 Hattori (1995 BQ4)
Classification: Main-belt Asteroid          SPK-ID: 2007308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04110479342504372 3.5309e-08  
a 3.06526442596967 1.8757e-08 au
q 2.939267364947051 1.0432e-07 au
i 8.13191116668423 3.8077e-06 deg
node 280.8188028909863 4.0347e-05 deg
peri 332.1943401826761 8.2439e-05 deg
M 135.9368831281383 7.2454e-05 deg
tp 2458260.323740332143
(2018-May-21.82374033)
0.0003944 TDB
period 1960.199817361209
5.37
1.7992e-05
4.926e-08
d
yr
n .1836547462210391 1.6857e-09 deg/d
Q 3.191261486992288 1.9528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1899  
   data-arc span      13801 days (37.79 yr)  
   first obs. used      1982-10-21  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:49:07  

Additional Information
 Earth MOID = 1.92676 au 
 Jupiter MOID = 1.88971 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04283506350516258 3.431e-08  
q 2.93462190721912 1.0156e-07 au
tp 2456318.134038771578
(2013-Jan-25.63403877)
0.00038599 TDB
node 281.0134215480284 4.0413e-05 deg
peri 335.5182356280046 8.1085e-05 deg
i 8.123553171107352 3.808e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1899  
   data-arc span      13801 days (37.79 yr)  
   first obs. used      1982-10-21  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:49:07  

Additional Information
 Jupiter MOID = 1.88971 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.177202327605204E-15 -3.433553293516084E-15 -2.185051245538314E-12 -2.978292391676843E-15 -4.056217803658661E-13 -3.412052274418908E-18
q -3.433553293516084E-15 1.031429455623159E-14 6.147868844445484E-12 7.994470284793702E-15 1.152752068669413E-12 5.227461348213097E-16
tp -2.185051245538314E-12 6.147868844445484E-12 1.489878398536635E-7 1.698836503919171E-11 2.719517147800597E-8 -4.765351645090287E-12
node -2.978292391676843E-15 7.994470284793702E-15 1.698836503919171E-11 1.633233234057813E-9 -1.61363518663803E-9 3.550110685469321E-11
peri -4.056217803658661E-13 1.152752068669413E-12 2.719517147800597E-8 -1.61363518663803E-9 6.57484526911624E-9 -3.603618876940701E-11
i -3.412052274418908E-18 5.227461348213097E-16 -4.765351645090287E-12 3.550110685469321E-11 -3.603618876940701E-11 1.45009246291363E-11

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 12.6   n/a MPO332888  
diameter diameter 10.099 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-27 18:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin