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JPL Small-Body Database Browser
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20768 Langberg (2000 QO54)
Classification: Main-belt Asteroid          SPK-ID: 2020768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935492549355049 3.0216e-08  
a 2.39598867906416 7.6545e-09 au
q 1.932246855397387 7.231e-08 au
i 3.382451249736012 3.3277e-06 deg
node 72.74610693010855 6.069e-05 deg
peri 351.7656101563248 6.1435e-05 deg
M 53.84373131192179 8.6525e-06 deg
tp 2458797.891240725829
(2019-Nov-10.39124073)
3.2548e-05 TDB
period 1354.645221672291
3.71
6.4915e-06
1.777e-08
d
yr
n .2657522384758312 1.2735e-09 deg/d
Q 2.859730502730933 9.136e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1545  
   data-arc span      15068 days (41.25 yr)  
   first obs. used      1978-11-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:12:55  

Additional Information
 Earth MOID = .94581 au 
 Jupiter MOID = 2.4539 au 
 T_jup = 3.501 
[ 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 14.5   n/a MPO412339  
diameter diameter 4.764 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20768 Langberg           Discovered 2000 Aug. 25 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sarah Langberg (b. 1986) was awarded first place and Best in Category in the 2004 Intel International Science and Engineering Fair for her earth and space sciences project. She also received the Intel Foundation Young Scientist Award. She attends the Canterbury School, Fort Myers, Florida, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 2000 QO54 = 1978 VT16 = 1998 DL3 = 1999 JJ117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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