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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .260689851779197 3.7649e-08  
a 2.571954509186697 8.5113e-09 au
q 1.90147206940398 9.7338e-08 au
i 2.258484544544396 3.8163e-06 deg
node 13.69827448951194 7.5892e-05 deg
peri 318.7250865296172 7.6099e-05 deg
M 155.048362587085 5.2728e-06 deg
tp 2458351.629493247576
(2018-Aug-21.12949325)
2.1652e-05 TDB
period 1506.584000844715
4.12
7.4786e-06
2.048e-08
d
yr
n .2389511635581915 1.1861e-09 deg/d
Q 3.242436948969414 1.073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2780  
   data-arc span      26354 days (72.15 yr)  
   first obs. used      1948-09-07  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:06:36  

Additional Information
 Earth MOID = .891879 au 
 Jupiter MOID = 2.13657 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456774.5 (2014-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2630617943061376 3.7909e-08  
q 1.894137843968325 9.8216e-08 au
tp 2456843.710755270429
(2014-Jul-05.21075527)
2.1955e-05 TDB
node 13.72717493773729 7.5766e-05 deg
peri 318.3885806383435 7.5968e-05 deg
i 2.263966923685749 3.8197e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2780  
   data-arc span      26354 days (72.15 yr)  
   first obs. used      1948-09-07  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:06:36  

Additional Information
 Jupiter MOID = 2.13657 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.437068555001127E-15 -3.715823896922935E-15 2.849383336187251E-13 -1.477412091205089E-14 4.958005536853538E-14 -4.440190704626955E-16
q -3.715823896922935E-15 9.64640589838328E-15 -7.711885890979555E-13 3.782406509307658E-14 -1.371209618829708E-13 1.155932607088254E-15
tp 2.849383336187251E-13 -7.711885890979555E-13 4.820177362973346E-10 -5.991537480242797E-12 1.294209426651985E-10 -2.890009119056257E-13
node -1.477412091205089E-14 3.782406509307658E-14 -5.991537480242797E-12 5.740526522121617E-9 -5.736739657612064E-9 -8.942783632205716E-11
peri 4.958005536853538E-14 -1.371209618829708E-13 1.294209426651985E-10 -5.736739657612064E-9 5.771125589348145E-9 8.929465665287503E-11
i -4.440190704626955E-16 1.155932607088254E-15 -2.890009119056257E-13 -8.942783632205716E-11 8.929465665287503E-11 1.458992668642301E-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 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. 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:
[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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