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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04220428041862918 3.4595e-08  
a 3.016306472008213 1.2321e-08 au
q 2.889005427835052 1.0261e-07 au
i 3.508881070999695 4.1662e-06 deg
node 353.6789213664276 5.9415e-05 deg
peri 313.3622214279314 7.7693e-05 deg
M 35.55958674251298 5.0839e-05 deg
tp 2458411.498247914499
(2018-Oct-19.99824791)
0.00027017 TDB
period 1913.425801133821
5.24
1.1724e-05
3.21e-08
d
yr
n .1881442174484519 1.1528e-09 deg/d
Q 3.143607516181373 1.2841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3232  
   data-arc span      31666 days (86.70 yr)  
   first obs. used      1933-03-25  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44255  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:01:16  

Additional Information
 Earth MOID = 1.8749 au 
 Jupiter MOID = 1.978 au 
 T_jup = 3.244 
[ show covariance matrix ]

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 10.34   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-January); 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

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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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