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JPL Small-Body Database Browser
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2481 Burgi (1977 UQ)
Classification: Main-belt Asteroid          SPK-ID: 2002481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .26045095529892 3.8743e-08  
a 2.571959590935176 8.7466e-09 au
q 1.90209025848589 1.0051e-07 au
i 2.258458204399401 4.0738e-06 deg
node 13.71730466002587 7.6038e-05 deg
peri 318.6906241777118 7.6291e-05 deg
M 59.51467534814721 5.4023e-06 deg
tp 2458351.432990455235
(2018-Aug-20.93299046)
2.2594e-05 TDB
period 1506.588465980885
4.12
7.6853e-06
2.104e-08
d
yr
n .2389504553691224 1.2189e-09 deg/d
Q 3.241828923384462 1.1025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2528  
   data-arc span      26014 days (71.22 yr)  
   first obs. used      1948-09-07  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47845  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:36:05  

Additional Information
 Earth MOID = .891587 au 
 Jupiter MOID = 2.13377 au 
 T_jup = 3.380 
[ 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 13.6   n/a MPO452196  
diameter diameter 4.657 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 30.086 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.246   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2481 Burgi (1977 UQ)          Discovered 1977-Oct-18 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 UQ = 1948 RF1 = 1948 RM = 1956 LF = 1977 TJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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