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468 Lina (A901 BC)
Classification: Main-belt Asteroid          SPK-ID: 2000468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974081760479748 2.8984e-08  
a 3.133282325973155 1.0205e-08 au
q 2.514746776959438 9.1766e-08 au
i .4369159593592403 3.4092e-06 deg
node 21.42238363003431 0.00041563 deg
peri 332.8121490206943 0.00041572 deg
M 277.9945565488246 1.0207e-05 deg
tp 2459461.964079417299
(2021-Sep-04.46407942)
5.8788e-05 TDB
period 2025.80538070179
5.55
9.8967e-06
2.71e-08
d
yr
n .1777071003115249 8.6815e-10 deg/d
Q 3.751817874986871 1.2219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3898  
   data-arc span      43620 days (119.43 yr)  
   first obs. used      1901-01-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:14:22  

Additional Information
 Earth MOID = 1.5099 au 
 Jupiter MOID = 1.6917 au 
 T_jup = 3.182 
[ 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 9.7   n/a MPO473767 IRAS observations used: 6
diameter diameter 60.238 km 0.518 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 16.33 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Buchheim, R.K. (2007) Minor Planet Bull. 34, 68-71.]
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.660   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=.17, mean=5.86, max.=11.39) deg.
U-B UB 0.313   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=.17, mean=5.26, max.=11.39) deg.
Tholen spectral type spec_T CPF   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

468 Lina (A901 BC)          Discovered 1901-Jan-18 by Wolf, M. at Heidelberg
Already photographed on Jan. 13; it is not clear whether this should be regarded as a prediscovery image.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A901 BC = A915 PA = A918 EB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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