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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865255232503486 1.9701e-08  
a 3.159112130737531 1.2607e-08 au
q 2.56985708754519 6.3596e-08 au
i 2.26770118184407 1.212e-06 deg
node 46.53055646523269 1.2535e-05 deg
peri 350.4194234372379 1.1687e-05 deg
M 339.9574928197055 4.3932e-06 deg
tp 2459510.681445241675
(2021-Oct-23.18144524)
2.5288e-05 TDB
period 2050.90710045583
5.62
1.2277e-05
3.361e-08
d
yr
n .1755320852514418 1.0508e-09 deg/d
Q 3.748367173929873 1.4959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2451  
   data-arc span      30618 days (83.83 yr)  
   first obs. used      1937-10-11  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50312  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:14:15  

Additional Information
 Earth MOID = 1.57655 au 
 Jupiter MOID = 1.68299 au 
 T_jup = 3.177 
[ 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 12.52   n/a MPO636083  
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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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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