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598 Octavia (A906 GC)
Classification: Main-belt Asteroid          SPK-ID: 2000598
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2501792023248983 3.2379e-08  
a 2.761175815037854 8.7383e-09 au
q 2.070387052152883 8.9927e-08 au
i 12.22807861435828 3.9753e-06 deg
node 91.52553731157153 1.828e-05 deg
peri 292.114924034046 1.9893e-05 deg
M 104.2627744672649 8.6931e-06 deg
tp 2458515.137415252634
(2019-Jan-31.63741525)
3.9759e-05 TDB
period 1675.866879639878
4.59
7.9554e-06
2.178e-08
d
yr
n .2148141981762652 1.0197e-09 deg/d
Q 3.451964577922825 1.0924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3242  
   data-arc span      41462 days (113.52 yr)  
   first obs. used      1907-05-12  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:34:20  

Additional Information
 Earth MOID = 1.11083 au 
 Jupiter MOID = 2.12019 au 
 T_jup = 3.263 
[ 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 MPO502158 IRAS observations used: 6
diameter diameter 78.237 km 0.524 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.8903 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.745   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=20.79 deg.
U-B UB 0.377   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=20.79 deg.
Tholen spectral type spec_T C:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B X   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)

598 Octavia (A906 GC)          Discovered 1906-Apr-13 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A906 GC = A907 JB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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