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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04226688391279428 3.4099e-08  
a 3.017477862535067 1.193e-08 au
q 2.889938476009871 1.0062e-07 au
i 3.508256814485792 3.9313e-06 deg
node 353.6715796464592 5.8671e-05 deg
peri 313.9063305104434 7.614e-05 deg
M 110.2626743999428 4.9517e-05 deg
tp 2458414.104556494506
(2018-Oct-22.60455649)
0.00026308 TDB
period 1914.540535233808
5.24
1.1354e-05
3.109e-08
d
yr
n .1880346711781874 1.1151e-09 deg/d
Q 3.145017249060263 1.2434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3562  
   data-arc span      31997 days (87.60 yr)  
   first obs. used      1933-03-25  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:34  

Additional Information
 Earth MOID = 1.87666 au 
 Jupiter MOID = 1.9776 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456492.5 (2013-Jul-19.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04593501241675536 3.4298e-08  
q 2.878531123611339 1.0175e-07 au
tp 2456493.066568993583
(2013-Jul-19.56656899)
0.00024127 TDB
node 353.7805921052977 5.846e-05 deg
peri 312.5974983679007 7.3524e-05 deg
i 3.517477561537024 3.9351e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3562  
   data-arc span      31997 days (87.60 yr)  
   first obs. used      1933-03-25  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:34  

Additional Information
 Jupiter MOID = 1.9776 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.176319734269844E-15 -3.469136342974737E-15 1.61703999987439E-12 5.113812701164817E-15 2.691969944712965E-13 2.185184579762668E-16
q -3.469136342974737E-15 1.035385357666186E-14 -4.780577623868494E-12 -1.528086735447003E-14 -7.99265205403938E-13 -5.185474539392762E-16
tp 1.61703999987439E-12 -4.780577623868494E-12 5.821225375523928E-8 1.607815423579127E-11 1.077428704690069E-8 -6.901093356160663E-13
node 5.113812701164817E-15 -1.528086735447003E-14 1.607815423579127E-11 3.417572573455116E-9 -3.407673187209621E-9 2.427905633617035E-11
peri 2.691969944712965E-13 -7.99265205403938E-13 1.077428704690069E-8 -3.407673187209621E-9 5.405849747471932E-9 -2.436363393777887E-11
i 2.185184579762668E-16 -5.185474539392762E-16 -6.901093356160663E-13 2.427905633617035E-11 -2.436363393777887E-11 1.548464773074986E-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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