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469838 (2005 TR8)
Classification: Main-belt Asteroid          SPK-ID: 2469838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044433583368405 6.8905e-07  
a 3.193647758499334 2.1708e-07 au
q 2.540727685406807 2.3689e-06 au
i 27.00458367891021 1.6554e-05 deg
node 26.79776306421261 2.5952e-05 deg
peri 310.9190702791802 0.00019295 deg
M 301.1622589075047 8.3068e-05 deg
tp 2459737.208084033462
(2022-Jun-06.70808403)
0.00045081 TDB
period 2084.62983069367
5.71
0.00021254
5.819e-07
d
yr
n .1726925302034119 1.7607e-08 deg/d
Q 3.846567831591861 2.6146e-07 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      3995 days (10.94 yr)  
   first obs. used      2005-10-01  
   last obs. used      2016-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:20:30  

Additional Information
 Earth MOID = 1.6032 au 
 Jupiter MOID = 1.83121 au 
 T_jup = 2.996 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456805.5 (2014-May-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027920752140758 6.9326e-07  
q 2.547086030745805 2.3852e-06 au
tp 2457652.754167786905
(2016-Sep-21.25416779)
0.00065121 TDB
node 26.82767525544136 2.596e-05 deg
peri 311.1765059375684 0.00019382 deg
i 26.99788240064125 1.6549e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      3995 days (10.94 yr)  
   first obs. used      2005-10-01  
   last obs. used      2016-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:20:30  

Additional Information
 Jupiter MOID = 1.83121 au 
 T_jup = 2.996 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.806129141475647E-13 -1.653317852468708E-12 4.343256818475564E-10 -3.778842434563178E-12 1.302647567054421E-10 -6.853442440361635E-12
q -1.653317852468708E-12 5.689088050705507E-12 -1.494029701134562E-9 1.299377345499722E-11 -4.482915472370136E-10 2.358731033021097E-11
tp 4.343256818475564E-10 -1.494029701134562E-9 4.240778416358575E-7 -3.417460668971379E-9 1.249434535719532E-7 -6.142930765191913E-9
node -3.778842434563178E-12 1.299377345499722E-11 -3.417460668971379E-9 6.739202817756133E-10 -1.598897815741818E-9 -3.38740889015265E-11
peri 1.302647567054421E-10 -4.482915472370136E-10 1.249434535719532E-7 -1.598897815741818E-9 3.756662889121609E-8 -1.765896644202855E-9
i -6.853442440361635E-12 2.358731033021097E-11 -6.142930765191913E-9 -3.38740889015265E-11 -1.765896644202855E-9 2.738555179416402E-10

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 16.6   n/a MPO392231  
diameter diameter 3.576 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469838 (2005 TR8)          Discovered 2005-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ 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
1922-May-26 17:56 00:13 Jupiter 1.90172837336982 1.90172169878703 1.90173504800157 6.68028551964823 6.61327621591196 2423201.246878379 12.9260084420841 1107.33341319211 289.183816715758 -81.9882127580516 471967.553368557 T 13 CATAB v2.0g-lin.ifort 2021-Apr-14 16:20:31 2021-Apr-14 16:20
1933-Nov-02 22:37 00:11 Jupiter 1.89849573849045 1.8984838920531 1.8985075849591 6.54394662552544 6.47540951126022 2427379.442050902 11.4176356472002 774.303539993711 364.944075838708 -48.0340043863544 394322.818244657 T 13 CATAB v2.0g-lin.ifort 2021-Apr-14 16:20:31 2021-Apr-14 16:20
2100-Sep-24 19:29 00:12 Jupiter 1.97803171638824 1.97801497747113 1.97804845672375 6.72914572079856 6.66520610902801 2488336.311502947 12.3168316383865 2798.92954940969 91.8122959344985 72.9626056615164 1025662.94993628 T 13 CATAB v2.0g-lin.ifort 2021-Apr-14 16:20:31 2021-Apr-14 16:20
2112-Feb-23 12:28 00:12 Jupiter 1.86052859540703 1.86051647274278 1.86054071880629 6.65297362275166 6.58418862825723 2492505.019774912 11.9820849670257 1983.87382179003 113.553595348729 72.8686530659412 943663.043141427 T 13 CATAB v2.0g-lin.ifort 2021-Apr-14 16:20:31 2021-Apr-14 16:20
2123-Aug-05 00:42 00:13 Jupiter 1.87030112667937 1.87029535845831 1.87030689529646 6.55211052847634 6.48262229373735 2496685.529240174 12.6219996161268 1706.66267966668 165.960634214965 82.4224149543135 886927.049870677 T 13 CATAB v2.0g-lin.ifort 2021-Apr-14 16:20:31 2021-Apr-14 16:20
2135-Jan-11 13:05 00:15 Jupiter 1.99330322854957 1.99329655845162 1.99330989888206 6.40260674849726 6.33589022776053 2500863.045053758 15.0019634404304 1573.55517137825 235.655205216286 -80.9678218407565 898184.74659747 T 13 CATAB v2.0g-lin.ifort 2021-Apr-14 16:20:31 2021-Apr-14 16:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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