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JPL Small-Body Database Browser
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264 Libussa
Classification: Main-belt Asteroid          SPK-ID: 2000264
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 79 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370921324871384 4.5101e-08  
a 2.796852458191511 1.1145e-08 au
q 2.413425990446142 1.2494e-07 au
i 10.42520403934171 5.1689e-06 deg
node 49.59925572783184 2.4367e-05 deg
peri 340.5995304658775 2.951e-05 deg
M 105.8196114368654 1.6537e-05 deg
tp 2458098.311892647060
(2017-Dec-10.81189265)
7.8251e-05 TDB
period 1708.451922968182
4.68
1.0212e-05
2.796e-08
d
yr
n .2107170796908077 1.2596e-09 deg/d
Q 3.18027892593688 1.2673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2078  
   data-arc span      46052 days (126.08 yr)  
   first obs. used      1893-04-10  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:05:21  

Additional Information
 Earth MOID = 1.42165 au 
 Jupiter MOID = 2.25279 au 
 T_jup = 3.289 
[ 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 8.42   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 19
diameter diameter 62.969 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.2276 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Gil Hutton, R. (1990) Minor Planet Bull. 17, 41-43.]
[Pilcher, F.; Cooney, W.R. (2006) Minor Planet Bull. 33, 13-14.]
[Pilcher, F.; Jardine, D. (2009) Minor Planet Bull. 36, 52-54.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.187   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.840   0.012 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.64, mean=8.03, max.=12.80) deg.
U-B UB 0.419   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.64, mean=8.03, max.=12.80) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
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)

264 Libussa          Discovered 1886-Dec-22 by Peters, C. H. F. at Clinton
Discovery possibly as early as Dec. l7.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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