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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1882459326718243 3.2566e-08  
a 3.165434451164697 1.4989e-08 au
q 2.569554290593674 1.048e-07 au
i 2.268653735302578 3.7678e-06 deg
node 46.68706390118289 9.9562e-05 deg
peri 349.8882890260847 0.00010014 deg
M 271.0524038613483 1.1901e-05 deg
tp 2459508.753208215145
(2021-Oct-21.25320821)
7.0114e-05 TDB
period 2057.066889949857
5.63
1.4611e-05
4e-08
d
yr
n .1750064627255632 1.2431e-09 deg/d
Q 3.76131461173572 1.7811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2281  
   data-arc span      30352 days (83.10 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:38:55  

Additional Information
 Earth MOID = 1.57678 au 
 Jupiter MOID = 1.66908 au 
 T_jup = 3.175 
[ 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 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. 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

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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 1.81339164339748 1.81339087700594 1.8133924097885 2.15244030283117 1.9232299101041 2424055.233565167 1.87850839214956 49.9377912501269 9.83093244842367 89.6624329311628 1435794.03773971 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
1935-Apr-15 03:26 00:02 Jupiter 1.68127451192619 1.68127420299819 1.6812748208543 1.48042062548995 1.08814038201639 2427907.642849408 1.55033493259299 106.526266540394 84.5028514203089 -89.604639012272 2605455.59234277 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
1945-Nov-08 18:38 00:01 Jupiter 1.80452604371584 1.80452545893614 1.80452662849698 1.8577759040335 1.58510431922929 2431768.276176874 1.29274700358029 120.56075774074 21.121330152904 -82.1644250392017 2882704.53377513 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2020-Apr-02 18:59 < 00:01 Jupiter 1.88894811820032 1.88894770890072 1.88894852749982 2.66275244167484 2.48866054681069 2458942.291085920 0.234729226268508 37.6013759332218 9.74598727319361 86.1360182543484 3127059.52303247 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2030-Oct-14 04:32 < 00:01 Jupiter 1.68828053694982 1.68828021531126 1.68828085858819 1.55837659122716 1.193785233009 2462788.689000821 0.435400233505374 84.6268029259635 59.7000633560539 84.7586047918127 2676346.30804827 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2041-May-09 22:04 < 00:01 Jupiter 1.72802782606858 1.72802743948641 1.72802821265134 1.59961447855408 1.25635668993065 2466649.419411330 0.688809666584927 105.094085846523 53.6965115451486 -80.6999715348254 2633578.82375311 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2051-Dec-01 18:37 < 00:01 Jupiter 1.97661859048948 1.97661802914051 1.97661915183856 2.57645979395679 2.40439246583877 2470507.275733839 0.947037072287844 61.9423186480972 10.8495884769472 83.3301702154265 3001661.2835287 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2115-Oct-11 11:07 00:02 Jupiter 1.98760951482168 1.98760862496429 1.98761040467918 3.34662896416469 3.21677209104957 2493830.962954693 2.16648255701843 59.9567597043168 18.7026662309007 67.1722039416347 1940733.37115694 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2126-Apr-19 00:22 00:02 Jupiter 1.73172064852521 1.7317199952752 1.73172130177453 1.8061947700327 1.51132250759471 2497673.515219491 2.42846606372398 71.6263416428295 46.8313358438633 -55.7870772334388 1418511.77161133 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2136-Nov-07 16:03 00:03 Jupiter 1.68086559831169 1.6808651214177 1.68086607520625 1.46460211001762 1.06640446350937 2501529.168663156 2.62090972442558 131.020275505487 93.00140558542 -68.6295179615978 2333065.05457458 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39
2147-Jun-02 15:29 00:03 Jupiter 1.88051103914001 1.88050981132867 1.88051226695627 2.14263257154632 1.9209454519583 2505388.144979580 2.91452969945476 188.710100483983 7.44273608905241 89.1121024402904 2916440.31548529 T 30 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:01 2020-Dec-17 19:39

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