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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916256439486589 3.7726e-08  
a 3.158689312705395 1.5018e-08 au
q 2.553403439124477 1.1922e-07 au
i 2.279653278863914 4.2898e-06 deg
node 46.87596379932033 0.00011163 deg
peri 349.9348811396141 0.00011224 deg
M 200.9497891243991 1.2004e-05 deg
tp 2459506.421447978021
(2021-Oct-18.92144798)
7.1608e-05 TDB
period 2050.495371723634
5.61
1.4623e-05
4.004e-08
d
yr
n .1755673311748985 1.2521e-09 deg/d
Q 3.763975186286313 1.7895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1924  
   data-arc span      29795 days (81.57 yr)  
   first obs. used      1937-10-11  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:23:03  

Additional Information
 Earth MOID = 1.56008 au 
 Jupiter MOID = 1.66404 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. 2019-January); 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

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