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178 Belisana
Classification: Main-belt Asteroid          SPK-ID: 2000178
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04261075937566034 4.0712e-08  
a 2.460068029388362 8.255e-09 AU
q 2.35524266254034 9.9609e-08 AU
i 1.895222864495701 4.7454e-06 deg
node 51.11424220096254 0.00012875 deg
peri 212.8916785182055 0.00013644 deg
M 326.2368071763213 4.9555e-05 deg
tp 2457132.678284399644
(2015-Apr-20.17828440)
0.00019403 JED
period 1409.350787183262
3.86
7.0938e-06
1.942e-08
d
yr
n .2554367608645527 1.2857e-09 deg/d
Q 2.564893396236385 8.6068e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      46943 days (128.52 yr)  
   first obs. used      1885-12-11  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55132  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:53:54  

Additional Information
 Earth MOID = 1.34128 AU 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.3 mag n/a MPO265955  
diameter diameter 35.81 km 0.9 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
rotation period rot_per 12.323 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Harris, A.W.; Young, J.W.; Dockweiler, T.; Gibson, J.; et al. (1992) Icarus 95, 115-147.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F.; Benishek, V.; Oey, J. (2009) Minor Planet Bul. 36, 68.]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.2438   0.013 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 16
B-V BV .904 mag .033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=3.94, mean=9.96, max.=20.45) deg.
U-B UB .486 mag .048 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=3.94, mean=6.47, max.=10.02) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
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)

178 Belisana          Discovered 1877-Nov-06 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1935 UA1 = A899 LE = A904 UA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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