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364 Isara (1893 T)
Classification: Main-belt Asteroid          SPK-ID: 2000364
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 56 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497647840753776 3.7403e-08  
a 2.220210684286796 5.1977e-09 au
q 1.887701310552737 8.3534e-08 au
i 6.003726750704272 4.7947e-06 deg
node 105.5451915920332 4.0881e-05 deg
peri 312.8580369900134 4.3789e-05 deg
M 203.0170336140407 1.6768e-05 deg
tp 2458127.414002448327
(2018-Jan-08.91400245)
5.6682e-05 JED
period 1208.341549713279
3.31
4.2433e-06
1.162e-08
d
yr
n .2979290086361944 1.0462e-09 deg/d
Q 2.552720058020855 5.9762e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1527  
   data-arc span      42357 days (115.97 yr)  
   first obs. used      1900-04-29  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56612  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:27:15  

Additional Information
 Earth MOID = .904676 au 
 Jupiter MOID = 2.76313 au 
 T_jup = 3.628 
[ 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 9.86 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
diameter diameter 27.99 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
rotation period rot_per 9.156 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Yang, X.-y.; Zhang, Y.-y.; Li, X.-q. (1965) Acta Astron. Sin. 13, 66-74.]
[Warner, B.D. (2009) Minor Planet Bul. 36, 172-176.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
geometric albedo albedo 0.2566   0.020 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
B-V BV .912 mag .069 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=17.26, mean=21.88, max.=26.49) deg.
U-B UB .538 mag .021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=17.26, mean=21.88, max.=26.49) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

364 Isara (1893 T)          Discovered 1893-Mar-19 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1893 T = 1976 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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