Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ 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 .1531159535534432 3.9541e-08  
a 2.80685910643179 1.1605e-08 au
q 2.377084197860321 1.1178e-07 au
i 8.129259592106074 4.0683e-06 deg
node 289.4550356214589 2.5477e-05 deg
peri 44.37970447778201 2.7691e-05 deg
M 62.66327037725666 1.0231e-05 deg
tp 2458701.521538438413
(2019-Aug-06.02153844)
4.8829e-05 TDB
period 1717.62893181579
4.70
1.0653e-05
2.917e-08
d
yr
n .2095912529951544 1.2999e-09 deg/d
Q 3.23663401500326 1.3382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2554  
   data-arc span      32801 days (89.80 yr)  
   first obs. used      1930-10-17  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:08:36  

Additional Information
 Earth MOID = 1.37431 au 
 Jupiter MOID = 2.13155 au 
 T_jup = 3.291 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558853167588237 3.9574e-08  
q 2.368727341703366 1.1228e-07 au
tp 2456984.186888442691
(2014-Nov-22.68688844)
4.889e-05 TDB
node 289.6428985324096 2.5509e-05 deg
peri 44.24582445257953 2.7611e-05 deg
i 8.124836866435583 4.069e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2554  
   data-arc span      32801 days (89.80 yr)  
   first obs. used      1930-10-17  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:08:36  

Additional Information
 Jupiter MOID = 2.13155 au 
 T_jup = 3.291 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.566091846862407E-15 -4.426207163588187E-15 -1.608724153638453E-13 3.632306466021637E-15 -5.593450943378069E-14 -1.758909993337062E-15
q -4.426207163588187E-15 1.26063805458316E-14 3.35731125920512E-13 -9.572014666887127E-15 1.31245067521697E-13 5.533055525752519E-15
tp -1.608724153638453E-13 3.35731125920512E-13 2.390247555254121E-9 -1.062050190327539E-12 5.304922556908995E-10 3.530559578110085E-13
node 3.632306466021637E-15 -9.572014666887127E-15 -1.062050190327539E-12 6.507184113734694E-10 -6.442286243180581E-10 3.003518675363197E-11
peri -5.593450943378069E-14 1.31245067521697E-13 5.304922556908995E-10 -6.442286243180581E-10 7.623730844407904E-10 -2.968080022187708E-11
i -1.758909993337062E-15 5.533055525752519E-15 3.530559578110085E-13 3.003518675363197E-11 -2.968080022187708E-11 1.65570657914304E-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 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-August); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-29 03:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin