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JPL Small-Body Database Browser
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2546 Libitina (1950 FC)
Classification: Main-belt Asteroid          SPK-ID: 2002546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920072282994351 4.8837e-08  
a 2.599946416108241 1.1352e-08 au
q 2.100737911024248 1.2658e-07 au
i 10.3249076979251 4.783e-06 deg
node 315.1450254861529 2.5038e-05 deg
peri 234.8402090517229 2.6657e-05 deg
M 167.7991759623334 9.8511e-06 deg
tp 2457886.772638900307
(2017-May-13.27263890)
4.1528e-05 TDB
period 1531.246196665269
4.19
1.0028e-05
2.746e-08
d
yr
n .2351026247666795 1.5397e-09 deg/d
Q 3.099154921192234 1.3531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2267  
   data-arc span      30259 days (82.84 yr)  
   first obs. used      1937-01-29  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4017  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:17:11  

Additional Information
 Earth MOID = 1.12223 au 
 Jupiter MOID = 1.9626 au 
 T_jup = 3.366 
[ 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 11.9   n/a MPO502177  
diameter diameter 14.467 km 0.494 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 132.71 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:
[Alvarez, E.M. (2013) Minor Planet Bull. 40, 214.]
geometric albedo albedo 0.176   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2546 Libitina (1950 FC)          Discovered 1950-Mar-23 by Johnson, E. L. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
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
1939-Jun-29 16:16 00:01 Jupiter 1.95389350466525 1.95389308444103 1.95389392489279 2.75329857610417 2.5910698831145 2429444.177517880 1.38004937087506 557.992387259971 13.3303262231456 87.6133918222569 2174495.54314622 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 21:17:26 2019-Dec-13 21:17
2011-Jan-09 04:31 < 00:01 Jupiter 1.96087086607237 1.96087042593915 1.96087130620559 2.27089911524995 2.07196958486986 2455570.688398128 0.185699157456951 369.245398728234 20.5001877974191 85.8190421831821 2451169.00686823 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 21:17:26 2019-Dec-13 21:17
2140-Nov-29 16:28 00:02 Jupiter 1.98605873903527 1.98605798023005 1.98605949784026 2.99363661705462 2.84761162252356 2503012.186400402 2.26735553284556 333.605712838247 16.5685995952016 87.5612101694409 1165674.63457198 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 21:17:26 2019-Dec-13 21:17

Alternate Designations
 1950 FC = 1937 AG = 3516 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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