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3469 Bulgakov (1982 UL7)
Classification: Main-belt Asteroid          SPK-ID: 2003469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07695287779871864 3.604e-08  
a 3.021827201080539 1.5343e-08 au
q 2.789288901746944 1.063e-07 au
i 9.240989205311045 4.7166e-06 deg
node 219.3091764967847 2.4959e-05 deg
peri 65.7645399473197 4.0269e-05 deg
M 182.737406240336 3.1968e-05 deg
tp 2459945.251228106529
(2022-Dec-31.75122811)
0.00017153 TDB
period 1918.681403136178
5.25
1.4612e-05
4.001e-08
d
yr
n .1876288577204962 1.429e-09 deg/d
Q 3.254365500414134 1.6523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2561  
   data-arc span      37065 days (101.48 yr)  
   first obs. used      1918-08-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4302  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:48:07  

Additional Information
 Earth MOID = 1.78928 au 
 Jupiter MOID = 1.85628 au 
 T_jup = 3.222 
[ 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 11.1   n/a MPO384783  
diameter diameter 18.861 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.48 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.108   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3469 Bulgakov (1982 UL7)          Discovered 1982-Oct-21 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 UL7 = 1929 TZ = 1940 WK = 1945 UD = 1952 BL2 = 1955 SO = 1959 JC = 1961 VH = 1970 NC = 1971 TL = 1980 JB1 = 1981 RZ3 = 1981 SL3 = 1985 GT1 = A918 PD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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