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344241 (2001 SQ145)
Classification: Main-belt Asteroid          SPK-ID: 2344241
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526609724746941 6.745e-08  
a 3.095022666851516 3.7702e-08 au
q 2.622533496698742 2.0339e-07 au
i 12.51795038549252 7.5002e-06 deg
node 193.6114926115692 2.7075e-05 deg
peri 159.1787729945797 3.5163e-05 deg
M 158.2016130087632 2.5742e-05 deg
tp 2458126.517806746158
(2018-Jan-08.01780675)
0.00013254 TDB
period 1988.814042963991
5.45
3.634e-05
9.949e-08
d
yr
n .1810123984560572 3.3075e-09 deg/d
Q 3.567511837004289 4.3457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6711 days (18.37 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:10  

Additional Information
 Earth MOID = 1.62242 au 
 Jupiter MOID = 1.9211 au 
 T_jup = 3.169 
[ 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 15.9   n/a MPO471577  

344241 (2001 SQ145)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ 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
1933-Oct-22 08:10 00:05 Jupiter 1.94114402584594 1.94114295497841 1.94114509673785 3.69730656213973 3.57734138199345 2427367.840565374 4.58342419060961 439.767853650829 28.8346096602931 -85.7013303735584 2008730.33037784 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 23:01:13 2020-Feb-25 23:01
2004-Apr-26 05:57 < 00:01 Jupiter 1.9395865082225 1.93958580901541 1.93958720742948 3.33327429509788 3.1995800162245 2453121.747946922 0.84838794203848 112.905009811244 30.5000913071197 -89.0231107973866 1768188.96520223 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 23:01:13 2020-Feb-25 23:01
2064-Oct-02 20:22 00:03 Jupiter 1.97275601125861 1.97275537050393 1.97275665201407 3.87660575884086 3.76422000084143 2475196.348592049 2.50510793514179 230.779007542208 28.0588828728855 -87.9307843160297 2210657.51434358 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 23:01:13 2020-Feb-25 23:01
2135-Apr-14 14:52 00:06 Jupiter 1.92183822931914 1.92183756752396 1.92183889111945 3.6351759604726 3.51184183488787 2500956.119366605 6.36181683535179 574.460720422378 28.7762644865068 88.2357274836386 1993990.79205453 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 23:01:13 2020-Feb-25 23:01

Alternate Designations
 2001 SQ145 = 2012 RU17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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