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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0384306595985026 4.2394e-08  
a 3.09346165983466 2.9719e-08 au
q 2.974577887804536 1.3975e-07 au
i 11.4673317704002 5.2149e-06 deg
node 175.4759112418842 2.4724e-05 deg
peri 69.66657415706779 7.5771e-05 deg
M 270.1281746937009 7.3091e-05 deg
tp 2459496.619840160426
(2021-Oct-09.11984016)
0.00040521 TDB
period 1987.309613986833
5.44
2.8638e-05
7.841e-08
d
yr
n .1811494280842266 2.6105e-09 deg/d
Q 3.212345431864785 3.0861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      347  
   data-arc span      9065 days (24.82 yr)  
   first obs. used      1995-06-28  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:17  

Additional Information
 Earth MOID = 1.9876 au 
 Jupiter MOID = 1.79613 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

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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 1.88406175752722 1.88405998605395 1.8840635290261 4.29575480873887 4.18979285950424 2416359.027377752 4.73749782327144 374.294039583399 21.9563306649306 -77.1261919876404 3133137.58439366 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
1963-Dec-14 15:10 00:02 Jupiter 1.79812144978871 1.79812101680678 1.79812188277075 4.00092612803786 3.88140316391191 2438378.131686807 2.21295052608606 192.595238439057 19.1620717443336 88.2921142230446 2928984.80441405 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
2024-Apr-13 10:34 < 00:01 Jupiter 1.90549639564987 1.90549585852983 1.90549693277001 3.33424332349083 3.1981475444059 2460413.940042094 0.468926251334806 57.3115164120317 20.7806420644179 75.5085970190486 3078936.15157766 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
2034-Apr-02 09:45 < 00:01 Jupiter 1.87470463643322 1.87470410255603 1.87470517031073 4.33637036179468 4.23089528165238 2464054.906038006 0.848359472569917 81.701031798101 21.413443989141 -80.5258522002232 3208584.64285882 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
2094-Jul-16 22:25 00:03 Jupiter 1.81041000635227 1.81040948878368 1.8104105239258 3.93254217091802 3.81171397241098 2486075.433810913 3.44402401101249 281.875524113917 19.4516749523894 86.0898303385341 2915583.59756933 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
2154-Nov-22 08:49 00:07 Jupiter 1.92707611284707 1.92707411922209 1.92707810648257 3.18750561720864 3.04649253233431 2508117.867530638 6.52597162017553 256.357266635751 22.5630885387965 62.5642286053243 2661167.18664238 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
2164-Nov-04 00:38 00:06 Jupiter 1.86903447314417 1.86903262377021 1.86903632257209 4.35961134029555 4.25439027606489 2511752.526482263 6.33889635813873 531.580027508633 21.1924141667173 -80.7751719907861 3213517.78764415 T 20 CATAB v2.0f-lin.ifort 2020-May-20 22:40:28 2020-May-20 22:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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