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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640448328852139 4.4934e-08  
a 2.580590190362038 9.0467e-09 au
q 2.157257703838875 1.1498e-07 au
i 3.432310987277445 4.143e-06 deg
node 252.2891442876187 7.1808e-05 deg
peri 158.1653333295532 7.277e-05 deg
M 227.5208965502621 1.2253e-05 deg
tp 2459557.713807559785
(2021-Dec-09.21380756)
5.2426e-05 TDB
period 1514.178202433476
4.15
7.9623e-06
2.18e-08
d
yr
n .2377527291182995 1.2502e-09 deg/d
Q 3.0039226768852 1.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1807  
   data-arc span      15379 days (42.11 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:04:28  

Additional Information
 Earth MOID = 1.16837 au 
 Jupiter MOID = 2.36183 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456475.5 (2013-Jul-02.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646348418679382 4.4902e-08  
q 2.154054279360115 1.1462e-07 au
tp 2456534.604339572563
(2013-Aug-30.10433957)
4.9613e-05 TDB
node 252.3553690939131 7.1719e-05 deg
peri 158.7227632524052 7.2669e-05 deg
i 3.435307377401073 4.1475e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1807  
   data-arc span      15379 days (42.11 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:04:28  

Additional Information
 Jupiter MOID = 2.36183 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.016159893696078E-15 -5.135379487886408E-15 -1.953533314893886E-13 8.652278849325401E-15 -1.325815814629705E-13 7.582407446524516E-16
q -5.135379487886408E-15 1.313853230632311E-14 4.87975097239777E-13 -2.419613474642094E-14 3.363196029662975E-13 -1.861345421222968E-15
tp -1.953533314893886E-13 4.87975097239777E-13 2.461423987140607E-9 -7.48178748106962E-12 5.95019169249534E-10 -8.461007582494449E-13
node 8.652278849325401E-15 -2.419613474642094E-14 -7.48178748106962E-12 5.143650281166144E-9 -5.136231061796087E-9 -7.624177889793038E-11
peri -1.325815814629705E-13 3.363196029662975E-13 5.95019169249534E-10 -5.136231061796087E-9 5.280844017842547E-9 7.587677243257367E-11
i 7.582407446524516E-16 -1.861345421222968E-15 -8.461007582494449E-13 -7.624177889793038E-11 7.587677243257367E-11 1.720188038795293E-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

[ show close-approach data ]
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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