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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115396429084816 4.9697e-08  
a 3.163648670398279 2.2632e-08 AU
q 2.494411560374334 1.5777e-07 AU
i 1.346903659005557 5.591e-06 deg
node 40.02296362445155 0.00021332 deg
peri 355.3285054421203 0.00021382 deg
M 262.9691688058871 1.4382e-05 deg
tp 2457554.472300842148
(2016-Jun-14.97230084)
8.5809e-05 JED
period 2055.3263931565
5.63
2.2055e-05
6.038e-08
d
yr
n .1751546621493651 1.8795e-09 deg/d
Q 3.832885780422224 2.742e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      30536 days (83.60 yr)  
   first obs. used      1931-10-09  
   last obs. used      2015-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48594  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:33:50  

Additional Information
 Earth MOID = 1.50099 AU 
 T_jup = 3.169 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0 mag n/a MPO265963  
diameter diameter 26 km n/a DASTCOM value unverified
rotation period rot_per 14.557 h n/a LCDB (Rev. 2015-May); 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 Bul. 39, 40-46.]
geometric albedo albedo 0.0657   0.016 EAR-A-5-DDR-ALBEDOS-V1.0:IMPS IMPS quality code 2: from the PDS IMPS singleton file

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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