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JPL Small-Body Database Browser
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136665 (1995 QB9)
Classification: Main-belt Asteroid          SPK-ID: 2136665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03846798636070693 4.6308e-08  
a 3.094204424714615 3.1861e-08 au
q 2.975176611107455 1.4731e-07 au
i 11.46566192041789 5.6084e-06 deg
node 175.4907859355053 2.6017e-05 deg
peri 69.15733794360223 7.7567e-05 deg
M 198.2034438967524 7.3658e-05 deg
tp 2459493.987957886794
(2021-Oct-06.48795789)
0.00040894 TDB
period 1988.025410343017
5.44
3.0706e-05
8.407e-08
d
yr
n .1810842045212516 2.7969e-09 deg/d
Q 3.213232238321776 3.3087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      8916 days (24.41 yr)  
   first obs. used      1995-06-28  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:23:11  

Additional Information
 Earth MOID = 1.98802 au 
 Jupiter MOID = 1.79563 au 
 T_jup = 3.192 
[ show covariance matrix ]

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 15.4   n/a MPO422494  
diameter diameter 3.080 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136665 (1995 QB9)          Discovered 1995-Aug-28 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Sep-01 12:39 00:05 Jupiter 1.88406218018243 1.88406034647056 1.88406401392353 4.29575572298513 4.18979382094345 2416359.026837727 5.04644410586056 400.034722780841 23.2423676089209 -77.528343477514 2987450.66725729 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
1963-Dec-14 15:09 00:02 Jupiter 1.79812148210935 1.79812098731927 1.79812197689993 4.00092726751048 3.88140434065461 2438378.131437605 2.34107225951745 202.397578795442 21.5507173944996 87.3952116484304 2676209.92481824 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
2024-Apr-13 10:34 < 00:01 Jupiter 1.90549639337001 1.90549583892013 1.90549694782 3.33424375704085 3.19814799623915 2460413.940091912 0.534270666855941 62.5645062448584 22.2914735296556 79.0928251532883 2613420.38776502 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
2034-Apr-02 09:45 < 00:01 Jupiter 1.87470471212514 1.87470411621847 1.87470530803223 4.33637104196103 4.23089598308676 2464054.906164283 0.920734392097694 87.4076063427023 22.9768811628087 -79.1871844677397 3025093.83640957 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
2094-Jul-16 22:25 00:04 Jupiter 1.81041008620804 1.81040955470728 1.81041061771189 3.93254226815282 3.81171407814216 2486075.434235780 3.70473832582342 303.670027996871 21.8259082239506 86.8172468432272 2613425.09095944 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
2154-Nov-22 08:50 00:07 Jupiter 1.92707642080559 1.92707435172452 1.92707848989893 3.18750478912079 3.04649168897301 2508117.868298903 7.01318554513729 276.790909626461 25.3256167347274 63.3872906204466 2302030.77035021 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
2164-Nov-04 00:39 00:07 Jupiter 1.86903427840659 1.86903224520412 1.8690363116709 4.35961143362619 4.25439036060509 2511752.527260323 6.79089446530278 568.67366362043 22.5688047221207 -80.5150510464748 3043936.77494939 T 17 CATAB v2.0f-lin.ifort 2019-Dec-04 12:23:14 2019-Dec-04 12:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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