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4018 Bratislava (1980 YM)
Classification: Main-belt Asteroid          SPK-ID: 2004018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640448346441407 4.4413e-08  
a 2.580590190591991 9.01e-09 au
q 2.157257699492037 1.1373e-07 au
i 3.432310989004397 4.1315e-06 deg
node 252.2891441827555 7.1262e-05 deg
peri 158.1653330744011 7.2219e-05 deg
M 227.5208967010677 1.2238e-05 deg
tp 2459557.713806999968
(2021-Dec-09.21380700)
5.2376e-05 TDB
period 1514.178202635866
4.15
7.9301e-06
2.171e-08
d
yr
n .2377527290865207 1.2452e-09 deg/d
Q 3.003922681691946 1.0488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1829  
   data-arc span      15430 days (42.25 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:10:23  

Additional Information
 Earth MOID = 1.16837 au 
 Jupiter MOID = 2.36183 au 
 T_jup = 3.403 
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Orbital Elements at Epoch 2456492.5 (2013-Jul-19.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646549043395522 4.4388e-08  
q 2.154054027733185 1.1341e-07 au
tp 2456534.601698314265
(2013-Aug-30.10169831)
4.9458e-05 TDB
node 252.3553525506387 7.1174e-05 deg
peri 158.7220414140319 7.2119e-05 deg
i 3.435308527208212 4.136e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1829  
   data-arc span      15430 days (42.25 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:10:23  

Additional Information
 Jupiter MOID = 2.36183 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.970322640364178E-15 -5.022801598240568E-15 -1.693627998459136E-13 7.864520279454991E-15 -1.2219368454026E-13 7.550963743292534E-16
q -5.022801598240568E-15 1.28621060571993E-14 4.234764763575294E-13 -2.219294144437797E-14 3.105875840492509E-13 -1.855015641250352E-15
tp -1.693627998459136E-13 4.234764763575294E-13 2.44613559307E-9 -7.574128330860149E-12 5.895079037041715E-10 -8.247108481717355E-13
node 7.864520279454991E-15 -2.219294144437797E-14 -7.574128330860149E-12 5.065721691895989E-9 -5.05842422198415E-9 -7.351647102194742E-11
peri -1.2219368454026E-13 3.105875840492509E-13 5.895079037041715E-10 -5.05842422198415E-9 5.201102809481901E-9 7.316236031560448E-11
i 7.550963743292534E-16 -1.855015641250352E-15 -8.247108481717355E-13 -7.351647102194742E-11 7.316236031560448E-11 1.710615074104823E-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 MPO473821  
diameter diameter 11.577 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4018 Bratislava (1980 YM)          Discovered 1980-Dec-30 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 YM = 1978 JP3 = 1979 OH16 = 1981 AJ1 = 1981 BE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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