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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503770831416019 3.2329e-08  
a 2.760716046693939 8.6494e-09 au
q 2.069496015540496 8.9794e-08 au
i 12.2278562637258 3.798e-06 deg
node 91.52069277014463 1.8233e-05 deg
peri 292.0972829204535 1.9702e-05 deg
M 147.2449156388595 8.6185e-06 deg
tp 2458515.218759762611
(2019-Jan-31.71875976)
3.9e-05 TDB
period 1675.44831965901
4.59
7.8739e-06
2.156e-08
d
yr
n .2148678629927945 1.0098e-09 deg/d
Q 3.451936077847382 1.0815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3466  
   data-arc span      41581 days (113.84 yr)  
   first obs. used      1907-05-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:09:36  

Additional Information
 Earth MOID = 1.10882 au 
 Jupiter MOID = 2.12146 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456500.5 (2013-Jul-27.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2471247277904578 3.2056e-08  
q 2.08071898550804 8.8721e-08 au
tp 2456833.909226616039
(2014-Jun-25.40922662)
3.8377e-05 TDB
node 91.86051673791985 1.8211e-05 deg
peri 291.2097367953979 1.9773e-05 deg
i 12.2258031026029 3.799e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3466  
   data-arc span      41581 days (113.84 yr)  
   first obs. used      1907-05-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:09:36  

Additional Information
 Jupiter MOID = 2.12146 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.027588779775918E-15 -2.83638145645505E-15 -3.123210358249828E-14 3.450974677638888E-15 -3.24016695862176E-14 1.158846577288971E-15
q -2.83638145645505E-15 7.871374447331152E-15 1.241756686269092E-13 -9.975152144801265E-15 9.422325215347766E-14 -2.911119247888419E-15
tp -3.123210358249828E-14 1.241756686269092E-13 1.472810258869487E-9 -2.536208540813086E-12 3.133232756755884E-10 8.886739412303232E-13
node 3.450974677638888E-15 -9.975152144801265E-15 -2.536208540813086E-12 3.316565660193679E-10 -3.242552526378949E-10 6.98420610519193E-12
peri -3.24016695862176E-14 9.422325215347766E-14 3.133232756755884E-10 -3.242552526378949E-10 3.909608902801439E-10 -6.71523221763996E-12
i 1.158846577288971E-15 -2.911119247888419E-15 8.886739412303232E-13 6.98420610519193E-12 -6.71523221763996E-12 1.443271214051576E-11

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 9.74   n/a E2021B10 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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