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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0428622163268598 4.0127e-08  
a 2.460636192303393 8.1153e-09 au
q 2.355167871527184 9.82e-08 au
i 1.895074729264407 4.6122e-06 deg
node 51.11028542981739 0.00012794 deg
peri 212.8682850017015 0.00013537 deg
M 68.4100010066612 4.8361e-05 deg
tp 2457132.591412749012
(2015-Apr-20.09141275)
0.00018936 JED
period 1409.839058487433
3.86
6.9745e-06
1.91e-08
d
yr
n .255348295135355 1.2632e-09 deg/d
Q 2.566104513079601 8.4631e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1724  
   data-arc span      47482 days (130.00 yr)  
   first obs. used      1885-12-11  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53807  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:31:34  

Additional Information
 Earth MOID = 1.33832 au 
 Jupiter MOID = 2.44267 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 9.4 mag n/a MPO350797  
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 LCDB (Rev. 2015-December); Warner et al., 2009 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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