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9631 Hubertreeves (1993 SL6)
Classification: Main-belt Asteroid          SPK-ID: 2009631
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06894916119660333 1.7348e-08  
a 2.826893334165558 1.1338e-08 au
q 2.631981409982574 5.3781e-08 au
i 2.05304943884155 1.1352e-06 deg
node 174.7061176938986 3.0214e-05 deg
peri 220.9509685478907 3.5519e-05 deg
M 236.7001369999127 2.0437e-05 deg
tp 2459795.096916666500
(2022-Aug-03.59691667)
0.00010003 TDB
period 1736.051320671691
4.75
1.0445e-05
2.86e-08
d
yr
n .2073671415777693 1.2476e-09 deg/d
Q 3.021805258348543 1.212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2223  
   data-arc span      14903 days (40.80 yr)  
   first obs. used      1979-11-17  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:31:25  

Additional Information
 Earth MOID = 1.63769 au 
 Jupiter MOID = 2.28134 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456983.5 (2014-Nov-22.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06917727408973127 1.7077e-08  
q 2.630835858018945 5.3065e-08 au
tp 2456331.313531316620
(2013-Feb-07.81353132)
9.3688e-05 TDB
node 174.7355295614929 3.0226e-05 deg
peri 222.4282560963982 3.5588e-05 deg
i 2.052563787719893 1.1353e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2223  
   data-arc span      14903 days (40.80 yr)  
   first obs. used      1979-11-17  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:31:25  

Additional Information
 Jupiter MOID = 2.28134 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.916220463450406E-16 -8.90014228441359E-16 -8.40988237017367E-13 -1.514777408569566E-14 -1.44973996248418E-13 -9.343356573560095E-16
q -8.90014228441359E-16 2.81588069808736E-15 2.609021206438063E-12 3.634681742385984E-14 4.695342246881813E-13 2.637877554475172E-15
tp -8.40988237017367E-13 2.609021206438063E-12 8.777384346539097E-9 -1.145763417367138E-10 1.763595728414799E-9 2.38405373694345E-12
node -1.514777408569566E-14 3.634681742385984E-14 -1.145763417367138E-10 9.136394865121177E-10 -9.34397634761032E-10 1.889884563372119E-11
peri -1.44973996248418E-13 4.695342246881813E-13 1.763595728414799E-9 -9.34397634761032E-10 1.266471553574283E-9 -1.828245435099146E-11
i -9.343356573560095E-16 2.637877554475172E-15 2.38405373694345E-12 1.889884563372119E-11 -1.828245435099146E-11 1.28892406552102E-12

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 13.53   n/a E2021B10  
diameter diameter 6.246 km 0.286 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.217   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9631 Hubertreeves           Discovered 1993 Sept. 17 by E. W. Elst at the European Southern Observatory.
Hubert Reeves, a professional astronomer at the French CNRS, has become known worldwide for his popularization of astronomy through his many books and lectures on radio and television.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ 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
2159-Mar-27 03:20 00:12 Psych 0.0278053223330743 0.0277831264911048 0.0278275185644684 1.22178723921049 1.22178688306315 2509703.639009088 12.0447062256231 1102.29546537862 46.2518632308412 -7.18190585198881 11736.0306600345 T 33 CATAB v2.0f-lin.ifort 2021-Apr-12 21:32:09 2021-Apr-12 21:32

Alternate Designations
 1993 SL6 = 1979 WJ6 = 1988 RW7 = 1995 AT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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