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JPL Small-Body Database Browser
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1481 Tubingia (1938 DR)
Classification: Main-belt Asteroid          SPK-ID: 2001481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0422668832280135 3.427e-08  
a 3.017477863053535 1.2177e-08 au
q 2.889938478572735 1.014e-07 au
i 3.508257035679851 4.1136e-06 deg
node 353.6715797583839 5.8761e-05 deg
peri 313.90632789203 7.705e-05 deg
M 110.262676664722 5.0597e-05 deg
tp 2458414.104544298897
(2018-Oct-22.60454430)
0.00026898 TDB
period 1914.540535727247
5.24
1.1589e-05
3.173e-08
d
yr
n .1880346711297248 1.1382e-09 deg/d
Q 3.145017247534335 1.2692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3371  
   data-arc span      31728 days (86.87 yr)  
   first obs. used      1933-03-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:56:02  

Additional Information
 Earth MOID = 1.87666 au 
 Jupiter MOID = 1.9776 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456320.5 (2013-Jan-28.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04606894892836719 3.4461e-08  
q 2.87847565003129 1.0254e-07 au
tp 2456493.349895821713
(2013-Jul-19.84989582)
0.00024638 TDB
node 353.7884038692126 5.8553e-05 deg
peri 312.6496492389666 7.4246e-05 deg
i 3.517272309183165 4.1174e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3371  
   data-arc span      31728 days (86.87 yr)  
   first obs. used      1933-03-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:56:02  

Additional Information
 Jupiter MOID = 1.9776 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.187560723116252E-15 -3.511772884763249E-15 1.768026629670397E-12 5.237236387167974E-15 2.989084470892912E-13 1.876018242058205E-16
q -3.511772884763249E-15 1.051444384519608E-14 -5.370564476642898E-12 -1.558073357874179E-14 -9.152420904516777E-13 -4.12193211706679E-16
tp 1.768026629670397E-12 -5.370564476642898E-12 6.070517727470331E-8 1.80292248999604E-11 1.126313961125071E-8 -9.357612623005761E-13
node 5.237236387167974E-15 -1.558073357874179E-14 1.80292248999604E-11 3.428403497679559E-9 -3.418103120231999E-9 2.658088166009348E-11
peri 2.989084470892912E-13 -9.152420904516777E-13 1.126313961125071E-8 -3.418103120231999E-9 5.512526343672049E-9 -2.670953842539923E-11
i 1.876018242058205E-16 -4.12193211706679E-16 -9.357612623005761E-13 2.658088166009348E-11 -2.670953842539923E-11 1.695335434662759E-11

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 10.4   n/a MPO502167 IRAS observations used: 5
diameter diameter 33.770 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 24. h n/a LCDB (Rev. 2019-August); 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 Bull. 36, 64-66.]
geometric albedo albedo 0.104   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.920   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.86 deg.
U-B UB 0.370   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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