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JPL Small-Body Database Browser
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5108 Lubeck (1987 QG2)
Classification: Main-belt Asteroid          SPK-ID: 2005108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096692879411149 3.1316e-08  
a 2.304720516079573 6.7213e-09 au
q 2.051963458177847 7.1534e-08 au
i 6.429318544412252 4.5137e-06 deg
node 327.4300714980741 2.9147e-05 deg
peri 78.57059473963351 3.5904e-05 deg
M 310.7226963756719 2.017e-05 deg
tp 2458775.432403713732
(2019-Oct-18.93240371)
7.1651e-05 TDB
period 1277.985212361593
3.50
5.5905e-06
1.531e-08
d
yr
n .2816934002974532 1.2323e-09 deg/d
Q 2.557477573981298 7.4584e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1826  
   data-arc span      24518 days (67.13 yr)  
   first obs. used      1952-09-14  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:43:01  

Additional Information
 Earth MOID = 1.07177 au 
 Jupiter MOID = 2.77273 au 
 T_jup = 3.572 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO347564  
diameter diameter 4.617 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.769 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 39-41.]
geometric albedo albedo 0.301   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5108 Lubeck (1987 QG2)          Discovered 1987-Aug-21 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 QG2 = 1952 RP = 1952 SQ1 = 1989 CU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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