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1440 Rostia (1937 TF)
Classification: Main-belt Asteroid          SPK-ID: 2001440
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871778746674365 3.2382e-08  
a 3.162199881921097 1.5319e-08 au
q 2.570306028749487 1.0376e-07 au
i 2.267234041465797 3.7588e-06 deg
node 46.56054517506885 9.6532e-05 deg
peri 350.2259539965557 9.7103e-05 deg
M 305.754439831943 1.1982e-05 deg
tp 2459509.988204606237
(2021-Oct-22.48820461)
6.9649e-05 TDB
period 2053.914704043435
5.62
1.4925e-05
4.086e-08
d
yr
n .1752750488086417 1.2736e-09 deg/d
Q 3.754093735092706 1.8186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2344  
   data-arc span      30378 days (83.17 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:55:24  

Additional Information
 Earth MOID = 1.57652 au 
 Jupiter MOID = 1.67672 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456641.5 (2013-Dec-15.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949299271104944 3.2578e-08  
q 2.538412959581316 1.0538e-07 au
tp 2457458.038357722531
(2016-Mar-10.53835772)
5.8856e-05 TDB
node 46.870679154218 9.5574e-05 deg
peri 349.8558724439327 9.6087e-05 deg
i 2.28359630449095 3.7807e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2344  
   data-arc span      30378 days (83.17 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:55:24  

Additional Information
 Jupiter MOID = 1.67672 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.061308195291902E-15 -3.413082913286932E-15 -2.945071873882917E-13 -3.37313845436468E-15 -3.799841294602482E-14 -1.579555922455738E-17
q -3.413082913286932E-15 1.11042685720007E-14 1.202495657396562E-12 1.26220241625236E-14 1.533345399294389E-13 4.406301800485705E-17
tp -2.945071873882917E-13 1.202495657396562E-12 3.46403140167978E-9 9.093269082693157E-13 6.013299416984433E-10 1.583906487986985E-13
node -3.37313845436468E-15 1.26220241625236E-14 9.093269082693157E-13 9.134357478486036E-9 -9.126803269768707E-9 -1.805686099060706E-11
peri -3.799841294602482E-14 1.533345399294389E-13 6.013299416984433E-10 -9.126803269768707E-9 9.232760436012463E-9 1.806561720541224E-11
i -1.579555922455738E-17 4.406301800485705E-17 1.583906487986985E-13 -1.805686099060706E-11 1.806561720541224E-11 1.429394215219146E-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 12.51   n/a E2021B10  
diameter diameter 15.299 km 0.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.448 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.083   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1440 Rostia (1937 TF)          Discovered 1937-Oct-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1924-Sep-26 17:36 00:02 Jupiter 1.81339165494705 1.81339088970629 1.81339242018719 2.15244049720915 1.92323012919487 2424055.233600428 1.87096462909356 48.5547782299162 9.74968987399886 89.8643348680939 1442275.58048733 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
1935-Apr-15 03:26 00:02 Jupiter 1.68127451635 1.68127420800927 1.68127482469074 1.48042065856426 1.08814042823239 2427907.642880307 1.5443425028379 105.938103632793 84.3855076436813 -89.6681244617832 2608983.34933829 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
1945-Nov-08 18:38 00:01 Jupiter 1.80452603993475 1.8045254565113 1.80452662335964 1.85777587617949 1.58510428596332 2431768.276190901 1.28850259114838 120.40154029185 20.986638164795 -82.1877698891443 2898852.8281551 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2020-Apr-02 18:59 < 00:01 Jupiter 1.88894811825528 1.88894772192391 1.88894851458654 2.66275236376355 2.48866046345443 2458942.291073631 0.227331720070717 36.9385473052449 9.4836326264588 86.1327408810267 3234971.33319458 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2030-Oct-14 04:32 < 00:01 Jupiter 1.68828053969615 1.68828022132826 1.68828085806385 1.55837658172747 1.19378522129168 2462788.688984268 0.42720619482969 83.0188710915836 59.305404150722 84.742131037774 2696311.81651323 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2041-May-09 22:04 < 00:01 Jupiter 1.72802783277233 1.7280274541881 1.72802821135706 1.59961452233211 1.25635674718313 2466649.419394827 0.679362149030992 103.614333813899 53.3878046034121 -81.3093001880868 2654396.89112493 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2051-Dec-01 18:37 < 00:01 Jupiter 1.97661859786036 1.97661805614074 1.97661913958009 2.57645979269379 2.40439246514999 2470507.275725250 0.936121743087498 60.8995953062991 10.4922494702204 83.4791479610617 3083112.24167595 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2115-Oct-11 11:07 00:02 Jupiter 1.98760950121428 1.98760863239379 1.98761037003489 3.34662882795397 3.21677194843324 2493830.962925395 2.14819567527717 59.478453815513 18.2031618793328 67.6392025188467 1983360.91250806 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2126-Apr-19 00:22 00:02 Jupiter 1.73172064175741 1.73172000146957 1.73172128204455 1.80619482617288 1.51132257342349 2497673.515205594 2.40810624451635 70.2748615199794 45.6866928046094 -54.6269494619207 1446671.41063381 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2136-Nov-07 16:03 00:03 Jupiter 1.68086560783926 1.68086513625114 1.68086607942786 1.4646021526671 1.06640452476274 2501529.168627548 2.59978395593591 129.62600391879 92.6649831155434 -68.8008032046604 2346214.75489564 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55
2147-Jun-02 15:29 00:03 Jupiter 1.88051105978818 1.88050985323433 1.88051226634683 2.14263263842354 1.9209455291281 2505388.144947859 2.89118733836859 186.58795684812 7.32607063725723 89.0945554426867 2955844.91137185 T 32 CATAB v2.0f-lin.ifort 2021-Feb-24 00:55:33 2021-Feb-24 00:55

Alternate Designations
 1937 TF = 1954 YA = 2019 FX5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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