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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632889581534551 1.2102e-08  
a 2.581409297994156 8.8395e-09 au
q 2.159893663157048 3.4031e-08 au
i 3.42873478246365 1.1001e-06 deg
node 252.2462799965405 1.4873e-05 deg
peri 158.1655123108188 1.7142e-05 deg
M 275.0292970935317 1.0048e-05 deg
tp 2459558.061246011900
(2021-Dec-09.56124601)		 4.3162e-05 TDB
period 1514.899184792847
4.15		 7.7812e-06
2.13e-08		 d
yr
n .237639576028439 1.2206e-09 deg/d
Q 3.002924932831263 1.0283e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1884  
   data-arc span      15492 days (42.41 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-10-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:50:30  

Additional Information
 Earth MOID = 1.17015 au 
 Jupiter MOID = 2.3634 au 
 T_jup = 3.403 
[ 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 13.57   n/a E2021B10  
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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1913-Jul-24 18:43 < 00:01 Juno 0.0172170713179102 0.0172051141913522 0.0172290291904349 4.85378150164663 4.85378135606504 2419973.279756606 0.603002099315004 622.150692570752 30.5240373714322 -16.727754993796 24588.2748323701 T 31 CATAB v2.0f-lin.ifort 2021-Apr-12 15:51:30 2021-Apr-12 15:51
1996-Jun-05 09:25 < 00:01 Juno 0.0126555769942056 0.012654566639295 0.0126565874549919 4.75380982232205 4.75380962010293 2450239.892523929 0.415657698267718 88.8238995257365 30.9820211773053 61.5253209847943 54627.0875365836 T 31 CATAB v2.0f-lin.ifort 2021-Apr-12 15:51:30 2021-Apr-12 15:51
2027-Jul-27 18:21 < 00:01 Hygie 0.0463699317473131 0.0463686584461961 0.0463712050582422 3.70400766963758 3.70400744468338 2461614.264783596 0.829475179684112 117.977731832814 59.6455855406383 -77.8443367545245 114126.251880375 T 31 CATAB v2.0f-lin.ifort 2021-Apr-12 15:51:30 2021-Apr-12 15:51
2079-Apr-17 12:40 < 00:01 Juno 0.0342340103694571 0.0342252027370922 0.034242818659007 4.65835420996573 4.65835413367782 2480506.028083410 0.758362654462705 498.750660939795 30.8611164977419 28.4198337926052 79433.2746720599 T 31 CATAB v2.0f-lin.ifort 2021-Apr-12 15:51:30 2021-Apr-12 15:51

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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