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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .211341963505557 4.5999e-08  
a 3.163811842972625 2.0777e-08 au
q 2.495165635916655 1.4885e-07 au
i 1.346850259308507 5.1872e-06 deg
node 40.01736535277646 0.00021286 deg
peri 355.2922527242355 0.00021335 deg
M 333.0442236833271 1.4018e-05 deg
tp 2457554.408902415185
(2016-Jun-14.90890242)
8.0924e-05 JED
period 2055.485407600584
5.63
2.0248e-05
5.544e-08
d
yr
n .175141112006354 1.7253e-09 deg/d
Q 3.832458050028595 2.5168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1642  
   data-arc span      30742 days (84.17 yr)  
   first obs. used      1931-10-09  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:37:55  

Additional Information
 Earth MOID = 1.50059 au 
 Jupiter MOID = 1.60372 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-December); 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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