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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04226688436150878 3.4069e-08  
a 3.017477862016223 1.1834e-08 au
q 2.889938474158971 1.0046e-07 au
i 3.508256755127857 3.8604e-06 deg
node 353.6715794534258 5.8616e-05 deg
peri 313.9063330186379 7.5757e-05 deg
M 110.2626722877674 4.9075e-05 deg
tp 2458414.104567878654
(2018-Oct-22.60456788)		 0.00026067 TDB
period 1914.540534740011
5.24		 1.1263e-05
3.084e-08		 d
yr
n .1880346712266852 1.1062e-09 deg/d
Q 3.145017249873476 1.2335e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3577  
   data-arc span      32007 days (87.63 yr)  
   first obs. used      1933-03-25  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:00:50  

Additional Information
 Earth MOID = 1.87666 au 
 Jupiter MOID = 1.9776 au 
 T_jup = 3.243 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456535.5 (2013-Aug-31.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04590602359579686 3.4269e-08  
q 2.878528605267891 1.0159e-07 au
tp 2456492.984336517780
(2013-Jul-19.48433652)		 0.00023905 TDB
node 353.7796888516637 5.8404e-05 deg
peri 312.5814859827996 7.3202e-05 deg
i 3.517536347813607 3.8642e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3577  
   data-arc span      32007 days (87.63 yr)  
   first obs. used      1933-03-25  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:00:50  

Additional Information
 Jupiter MOID = 1.9776 au 
 T_jup = 3.243 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.174392239627447E-15 -3.461183905380325E-15 1.572081982748509E-12 5.180914488139683E-15 2.603159299321178E-13 2.534497765656983E-16
q -3.461183905380325E-15 1.032128076625638E-14 -4.593783543286161E-12 -1.547446252402821E-14 -7.624716051755133E-13 -6.310824958199985E-16
tp 1.572081982748509E-12 -4.593783543286161E-12 5.714686376885023E-8 1.522727351963804E-11 1.056582702391882E-8 -6.140709631413885E-13
node 5.180914488139683E-15 -1.547446252402821E-14 1.522727351963804E-11 3.411041712758375E-9 -3.401319927768089E-9 2.23973376105185E-11
peri 2.603159299321178E-13 -7.624716051755133E-13 1.056582702391882E-8 -3.401319927768089E-9 5.358549307940733E-9 -2.247026213268361E-11
i 2.534497765656983E-16 -6.310824958199985E-16 -6.140709631413885E-13 2.23973376105185E-11 -2.247026213268361E-11 1.493223690999591E-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 225.6 h n/a LCDB (Rev. 2020-October); 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:
[Polakis, T. (2020) Minor Planet Bull. 47, 94-101.]
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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