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1481 Tubingia (1938 DR)
Classification: Main-belt Asteroid          SPK-ID: 2001481
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04522356939749553 3.8451e-08  
a 3.016302410934333 1.6592e-08 au
q 2.879894449529611 1.1542e-07 au
i 3.518111012742086 5.0748e-06 deg
node 353.7778997716809 7.4179e-05 deg
peri 312.0623362533121 9.2642e-05 deg
M 171.3160106308428 5.7938e-05 deg
tp 2456489.944964233379
(2013-Jul-16.44496423)
0.00030573 JED
period 1913.421936857595
5.24
1.5788e-05
4.323e-08
d
yr
n .1881445974175599 1.5524e-09 deg/d
Q 3.152710372339055 1.7343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1989  
   data-arc span      30220 days (82.74 yr)  
   first obs. used      1933-03-25  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48791  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:39:08  

Additional Information
 Earth MOID = 1.86463 au 
 Jupiter MOID = 1.97123 au 
 T_jup = 3.243 
[ 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 10.34 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
diameter diameter 33.26 km 1.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
rotation period rot_per 24. h n/a LCDB (Rev. 2015-December); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Brinsfield, J.W. (2009) Minor Planet Bul. 36, 64-66.]
geometric albedo albedo 0.1167   0.013 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
B-V BV .920 mag .020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=2.86 deg.
U-B UB .370 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=2.86 deg.

1481 Tubingia (1938 DR)          Discovered 1938-Feb-07 by Reinmuth, K. at Heidelberg
Independent discovery Feb. 22 by Y. Vaisala, Turku, was announced first
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1938 DR = 1930 UL = 1933 FT1 = 1933 FY1 = 1935 SY1 = 1938 CN = 1938 ES = 1939 LD = 1941 WF = 1950 OQ = 1955 LA = 1959 GY = A907 GQ = A912 FB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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