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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882459306530218 3.4162e-08  
a 3.16543445034698 1.5386e-08 au
q 2.569554296320276 1.0897e-07 au
i 2.26865484332016 3.9833e-06 deg
node 46.68705405230465 0.00010028 deg
peri 349.8882990444358 0.00010085 deg
M 271.0524039603726 1.1903e-05 deg
tp 2459508.753207452369
(2021-Oct-21.25320745)
7.0143e-05 TDB
period 2057.066889152763
5.63
1.4998e-05
4.106e-08
d
yr
n .1750064627933766 1.276e-09 deg/d
Q 3.761314604373684 1.8282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      30250 days (82.82 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:18  

Additional Information
 Earth MOID = 1.57678 au 
 Jupiter MOID = 1.66908 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456411.5 (2013-Apr-29.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951825691501053 3.4242e-08  
q 2.537141815712606 1.0974e-07 au
tp 2455413.151262558608
(2010-Aug-04.65126256)
5.593e-05 TDB
node 46.87097218573003 9.9422e-05 deg
peri 349.8352261241162 9.9943e-05 deg
i 2.284145433810929 4.0054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      30250 days (82.82 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:18  

Additional Information
 Jupiter MOID = 1.66908 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.172505848796974E-15 -3.73630428888169E-15 -2.754499404706593E-13 -3.818210787924447E-15 -5.430938538819883E-14 -4.507866638969702E-17
q -3.73630428888169E-15 1.204338144321499E-14 9.694506021099691E-13 1.452455654540387E-14 2.006806130655243E-13 9.92382978748253E-17
tp -2.754499404706593E-13 9.694506021099691E-13 3.128207372882444E-9 2.500642317558243E-13 5.902932273557101E-10 -5.840316417494835E-14
node -3.818210787924447E-15 1.452455654540387E-14 2.500642317558243E-13 9.884774825885416E-9 -9.876199551464576E-9 -3.599759677615289E-11
peri -5.430938538819883E-14 2.006806130655243E-13 5.902932273557101E-10 -9.876199551464576E-9 9.988524103292544E-9 3.594747823245697E-11
i -4.507866638969702E-17 9.92382978748253E-17 -5.840316417494835E-14 -3.599759677615289E-11 3.594747823245697E-11 1.604308836644064E-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 12.4   n/a MPO435709  
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. 2019-August); 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 1.81339165948953 1.81339087778616 1.81339244119238 2.15244040322423 1.92323002461721 2424055.233590495 1.92991117299717 50.7430483686726 10.3625253109096 89.8550127703026 1402971.0222151 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
1935-Apr-15 03:26 00:02 Jupiter 1.68127451955813 1.68127419638951 1.68127484272684 1.48042071323501 1.08814050349569 2427907.642866903 1.59217809816398 109.854157391583 88.8655331679676 -89.5075805827691 2479297.13444136 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
1945-Nov-08 18:38 00:01 Jupiter 1.80452604334133 1.80452545845012 1.80452662823386 1.85777600636032 1.58510443909704 2431768.276183903 1.32521199681222 122.018878240198 22.2538819023206 -82.675723368718 2750645.28378069 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2020-Apr-02 18:59 < 00:01 Jupiter 1.88894812064683 1.88894770636796 1.8889485349257 2.66275249530482 2.48866060442567 2458942.291088035 0.258530224629546 39.5578511544209 9.84009486748428 85.9129897000364 3095736.46739799 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2030-Oct-14 04:32 < 00:01 Jupiter 1.6882805435672 1.68828021873272 1.68828086840148 1.55837662469145 1.19378527834082 2462788.688988980 0.466063533392443 85.1029195694816 60.2780313230275 84.2822879779474 2647311.37167506 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2041-May-09 22:04 < 00:01 Jupiter 1.72802783704056 1.72802741536875 1.72802825871305 1.599614581855 1.25635682393235 2466649.419401077 0.728874193607946 112.120812571894 57.0137349776105 -79.4629002024967 2469342.45352612 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2051-Dec-01 18:37 < 00:01 Jupiter 1.97661860437648 1.97661800672146 1.97661920203161 2.57646000167556 2.40439268967481 2470507.275706864 0.99408395190961 63.9732559418974 11.0908446599417 82.8474333537622 2852721.91624615 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2115-Oct-11 11:07 00:02 Jupiter 1.98760949974532 1.98760855882921 1.98761044066153 3.34662886620491 3.21677198813041 2493830.962926351 2.2635826065112 63.2208329644892 19.4700809143511 66.7637434264764 1857583.58511926 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2126-Apr-19 00:22 00:03 Jupiter 1.73172064457256 1.73171997575987 1.73172131338456 1.80619480745011 1.51132255157387 2497673.515199660 2.53288639027206 73.2646256866187 47.2066055330674 -55.1197934264023 1397895.06072277 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2136-Nov-07 16:03 00:03 Jupiter 1.6808656131617 1.68086509390742 1.68086613241656 1.46460221147178 1.06640460702151 2501529.168624544 2.73106679411493 139.794609629024 97.6425185946139 -64.6994296775152 2183398.90635339 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34
2147-Jun-02 15:29 00:03 Jupiter 1.88051106711197 1.88050976435932 1.88051236986996 2.14263274780573 1.92094565204676 2505388.144939221 3.03463496181497 197.044776422516 7.78150667622625 89.1810101202988 2788301.7969975 T 28 CATAB v2.0f-lin.ifort 2020-Aug-24 22:34:35 2020-Aug-24 22:34

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