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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04261075971647976 4.0687e-08  
a 2.460068029496653 8.2511e-09 AU
q 2.355242661805577 9.9557e-08 AU
i 1.895222906446835 4.7423e-06 deg
node 51.11424245580719 0.00012874 deg
peri 212.8916781196334 0.00013643 deg
M 326.2368072606498 4.9553e-05 deg
tp 2457132.678284078237
(2015-Apr-20.17828408)
0.00019402 JED
period 1409.35078727632
3.86
7.0905e-06
1.941e-08
d
yr
n .2554367608476865 1.2851e-09 deg/d
Q 2.564893397187729 8.6027e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1616  
   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      .54961  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:45:01  

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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