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393533 (2002 TJ309)
Classification: Main-belt Asteroid          SPK-ID: 2393533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .002097132626471229 6.5568e-08  
a 2.742989953228591 2.2646e-08 au
q 2.737237539503593 1.8096e-07 au
i 7.136492792106808 6.8502e-06 deg
node 133.1393305224149 5.6024e-05 deg
peri 192.4606396058329 0.0016295 deg
M 56.09747180148757 0.0016263 deg
tp 2458941.931545020886
(2020-Apr-02.43154502)
0.007497 TDB
period 1659.337592287226
4.54
2.0549e-05
5.626e-08
d
yr
n .2169540433925667 2.6867e-09 deg/d
Q 2.74874236695359 2.2693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6591 days (18.05 yr)  
   first obs. used      2002-10-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:34:29  

Additional Information
 Earth MOID = 1.7208 au 
 Jupiter MOID = 2.23455 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457529.5 (2016-May-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .004318499286813449 7.2185e-08  
q 2.732568502268589 2.0119e-07 au
tp 2457359.663774394420
(2015-Dec-03.16377439)
0.0031523 TDB
node 133.2384841002256 5.6133e-05 deg
peri 209.427723109523 0.00068674 deg
i 7.128897325874566 6.8447e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6591 days (18.05 yr)  
   first obs. used      2002-10-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:34:29  

Additional Information
 Jupiter MOID = 2.23455 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.21073810899019E-15 -1.443108949569934E-14 7.727280859264088E-11 5.617576794543301E-14 1.676830777013133E-11 8.535685132906105E-16
q -1.443108949569934E-14 4.047839183991099E-14 -2.322063163931009E-10 -1.527812881578236E-13 -5.038638909132026E-11 -1.209853229391352E-15
tp 7.727280859264088E-11 -2.322063163931009E-10 9.936941516418353E-6 1.006210026380361E-9 2.157639226438113E-6 4.184244620261311E-11
node 5.617576794543301E-14 -1.527812881578236E-13 1.006210026380361E-9 3.150951376995706E-9 -2.907142269798038E-9 1.84667650785702E-10
peri 1.676830777013133E-11 -5.038638909132026E-11 2.157639226438113E-6 -2.907142269798038E-9 4.716148565756758E-7 -1.741623588154559E-10
i 8.535685132906105E-16 -1.209853229391352E-15 4.184244620261311E-11 1.84667650785702E-10 -1.741623588154559E-10 4.685030171796027E-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 17.1   n/a MPO440698  

393533 (2002 TJ309)          Discovered 2002-Oct-04 by Sloan Digital Sky Survey at Apache Point
Reference: Last Updated: 2014-05-15

[ 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
1917-Jul-07 00:46 02:18 Europ 0.0370551293419002 0.0370271711433816 0.0370830874450758 0.882943771681554 0.882943446825914 2421416.532191837 138.049002750915 1384.78327790147 143.879197674819 2.56805331957784 4297.74547098307 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 11:34:29 2021-Apr-14 11:34
1974-Jul-09 02:01 00:02 Psych 0.029342599817666 0.0293202947268463 0.0293649088019372 2.82136223072642 2.82136208457746 2442237.583776290 1.63439074419595 1233.66663193899 143.968831259043 25.996989854374 13716.3022981305 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 11:34:29 2021-Apr-14 11:34
1999-Apr-20 21:29 00:19 Europ 0.0428811229002515 0.0428794070083102 0.0428828389408048 0.809708748634916 0.809708442525412 2451289.395245241 19.0514789446084 177.574542471478 52.1296871575365 -67.4107971838345 112666.139942722 T 18 CATAB v2.0f-lin.ifort 2021-Apr-14 11:34:29 2021-Apr-14 11:34

Alternate Designations
 2002 TJ309 = 2004 BG131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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