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101264 (1998 SW105)
Classification: Main-belt Asteroid          SPK-ID: 2101264
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469792609188287 4.0778e-08  
a 3.067820721135486 1.932e-08 au
q 2.616914698911524 1.2253e-07 au
i 11.29704337898501 4.6274e-06 deg
node 178.1532721647928 2.0421e-05 deg
peri 221.101269710966 2.5674e-05 deg
M 26.34507481820524 1.3814e-05 deg
tp 2459056.871598477995
(2020-Jul-26.37159848)		 7.5458e-05 TDB
period 1962.652408646463
5.37		 1.854e-05
5.076e-08		 d
yr
n .1834252455575019 1.7327e-09 deg/d
Q 3.518726743359448 2.216e-08 au
   Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1996-03-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:47  

Additional Information
 Earth MOID = 1.63411 au 
 Jupiter MOID = 1.97297 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457668.5 (2016-Oct-07.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455710279742234 4.0802e-08  
q 2.623337153992227 1.2174e-07 au
tp 2457078.663993990040
(2015-Feb-25.16399399)		 8.0897e-05 TDB
node 178.3866913579892 2.0281e-05 deg
peri 218.787809229613 2.5811e-05 deg
i 11.33003628445062 4.641e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1996-03-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:47  

Additional Information
 Jupiter MOID = 1.97297 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.664804128800711E-15 -4.92520745906669E-15 -5.321634605017013E-13 1.320812965266244E-15 -8.497633946755054E-14 -3.774826589760595E-15
q -4.92520745906669E-15 1.482158275106023E-14 1.285890563219717E-12 -3.145997677074588E-15 2.127481732353763E-13 1.201740773532288E-14
tp -5.321634605017013E-13 1.285890563219717E-12 6.544288730629936E-9 -3.719539293086457E-12 1.306899599225178E-9 -3.578944511080448E-12
node 1.320812965266244E-15 -3.145997677074588E-15 -3.719539293086457E-12 4.113325676038754E-10 -4.035681982827854E-10 1.592122452699897E-11
peri -8.497633946755054E-14 2.127481732353763E-13 1.306899599225178E-9 -4.035681982827854E-10 6.662232787184561E-10 -1.641257811499025E-11
i -3.774826589760595E-15 1.201740773532288E-14 -3.578944511080448E-12 1.592122452699897E-11 -1.641257811499025E-11 2.153910420670013E-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 15.0   n/a MPO439693  
diameter diameter 3.089 km 0.486 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101264 (1998 SW105)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1958-Dec-06 23:25 00:02 Jupiter 1.97605978820769 1.97605926943879 1.97606030697726 3.00920847687411 2.86322394472243 2436544.475759284 1.58827514238729 101.684400774038 20.1353154103964 -79.6559250944936 2672911.52049666 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:49 2021-Feb-24 08:27
2017-Sep-15 15:38 < 00:01 Jupiter 1.96391712658233 1.96391669402851 1.96391755913614 3.29382470059742 3.16017347208331 2458012.151412571 0.263398184372026 50.7273949973299 18.7952799470512 89.7667683911095 2931580.00022263 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:49 2021-Feb-24 08:27
2076-Jun-29 23:27 00:02 Jupiter 1.9925681053277 1.99256752529927 1.99256868535784 3.567476432459 3.44625976237217 2479484.477015635 1.61412718801159 139.63743360393 18.214699445625 83.2736825423996 3053269.69036502 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:49 2021-Feb-24 08:27
2184-Apr-30 13:40 00:05 Jupiter 1.98392938889016 1.98392887606692 1.98392990171757 2.88379832062536 2.73174102387716 2518870.069362762 4.72799648327919 272.18903155618 19.5698742640005 -81.6759642399849 2247194.72140356 T 21 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:49 2021-Feb-24 08:27
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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