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1253 Frisia (1931 TV1)
Classification: Main-belt Asteroid          SPK-ID: 2001253
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076556288145594 3.9159e-08  
a 3.171594300822658 1.612e-08 au
q 2.512994891940656 1.2516e-07 au
i 1.342336756014584 4.4272e-06 deg
node 39.96456909633813 0.00016646 deg
peri 354.9708606100575 0.00016675 deg
M 253.6119560485876 1.3323e-05 deg
tp 2459610.184555033345
(2022-Jan-30.68455503)
7.9753e-05 TDB
period 2063.074304780374
5.65
1.5729e-05
4.306e-08
d
yr
n .1744968657531334 1.3303e-09 deg/d
Q 3.83019370970466 1.9467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2312  
   data-arc span      32073 days (87.81 yr)  
   first obs. used      1931-10-09  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:49:32  

Additional Information
 Earth MOID = 1.51975 au 
 Jupiter MOID = 1.60689 au 
 T_jup = 3.168 
[ 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 12.0   n/a MPO265963  
diameter diameter 21.682 km 0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.557 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:
[Gartrelle, G. (2012) Minor Planet Bull. 39, 40-46.]
geometric albedo albedo 0.077   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1253 Frisia (1931 TV1)          Discovered 1931-Oct-09 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 TV1 = 1933 BO = 1937 VN = 1948 SE = 1954 UC = 1959 RC = 1971 UE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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