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3860 Plovdiv (1986 PM4)
Classification: Main-belt Asteroid          SPK-ID: 2003860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531382386598877 4.0741e-08  
a 2.806743265965865 1.2369e-08 au
q 2.376923545845352 1.1594e-07 au
i 8.12896200422515 4.5333e-06 deg
node 289.4555180378924 2.5581e-05 deg
peri 44.28132980686707 2.7976e-05 deg
M 338.8977405916519 1.1229e-05 deg
tp 2458701.176687453478
(2019-Aug-05.67668745)
5.3646e-05 TDB
period 1717.52260181741
4.70
1.1353e-05
3.108e-08
d
yr
n .2096042285668108 1.3856e-09 deg/d
Q 3.236562986086378 1.4263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      32477 days (88.92 yr)  
   first obs. used      1930-10-17  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43945  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:31  

Additional Information
 Earth MOID = 1.3732 au 
 Jupiter MOID = 2.12841 au 
 T_jup = 3.291 
[ 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 11.6   n/a MPO302086  
diameter diameter 12.812 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.114 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.172   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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)

3860 Plovdiv (1986 PM4)          Discovered 1986-Aug-08 by Elst, E. W. and Ivanova, V. at Rozhen
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 PM4 = 1930 UF1 = 1934 NK = 1957 JC1 = 1972 QP = 1979 BQ1 = 1986 RS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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