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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503770803260121 3.2368e-08  
a 2.760716075196107 8.6932e-09 au
q 2.069496044679418 8.9878e-08 au
i 12.22785642186502 3.8658e-06 deg
node 91.52069264437556 1.8259e-05 deg
peri 292.0972822482358 1.9782e-05 deg
M 147.2449133776421 8.6892e-06 deg
tp 2458515.218759673905
(2019-Jan-31.71875967)
3.9351e-05 TDB
period 1675.448345605491
4.59
7.9138e-06
2.167e-08
d
yr
n .2148678596652883 1.0149e-09 deg/d
Q 3.451936105712796 1.087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3381  
   data-arc span      41530 days (113.70 yr)  
   first obs. used      1907-05-12  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:48:05  

Additional Information
 Earth MOID = 1.10882 au 
 Jupiter MOID = 2.12146 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456445.5 (2013-Jun-02.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .247150459975589 3.2095e-08  
q 2.080682969316197 8.8814e-08 au
tp 2456833.892007830735
(2014-Jun-25.39200783)
3.8805e-05 TDB
node 91.86052975531413 1.8237e-05 deg
peri 291.2072403419833 1.9855e-05 deg
i 12.22582630835936 3.867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3381  
   data-arc span      41530 days (113.70 yr)  
   first obs. used      1907-05-12  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:48:05  

Additional Information
 Jupiter MOID = 2.12146 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.030110160663827E-15 -2.842793970208348E-15 -3.044400595755128E-14 3.365344610574825E-15 -3.263951955682982E-14 1.11281932838505E-15
q -2.842793970208348E-15 7.887944347387931E-15 1.206210741600116E-13 -9.721808894209054E-15 9.432596344663929E-14 -2.767158693907004E-15
tp -3.044400595755128E-14 1.206210741600116E-13 1.505862061999324E-9 -2.552638143862138E-12 3.218916374504625E-10 8.410152188450877E-13
node 3.365344610574825E-15 -9.721808894209054E-15 -2.552638143862138E-12 3.326020943852667E-10 -3.251892177630641E-10 7.655049977818098E-12
peri -3.263951955682982E-14 9.432596344663929E-14 3.218916374504625E-10 -3.251892177630641E-10 3.942212350244656E-10 -7.388052649883605E-12
i 1.11281932838505E-15 -2.767158693907004E-15 8.410152188450877E-13 7.655049977818098E-12 -7.388052649883605E-12 1.495384864839983E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2017-Jun-21 00:25 < 00:01 Europ 0.0405999035871584 0.0405984627118136 0.0406013444635007 4.93635081305334 4.93635076002101 2457925.517143731 0.354793214829939 73.3232346135301 52.6473907921587 16.8163113105903 85990.4774922842 T 44 CATAB v2.0f-lin.ifort 2021-Feb-24 00:48:14 2021-Feb-24 00:48
2169-Aug-12 14:40 < 00:01 Eunom 0.0256269774292543 0.0256183770946309 0.0256355801304562 7.17524400636998 7.17524393002863 2513495.110815505 0.972155658728449 578.951773778767 27.3930651520689 -42.2738568747111 94235.5387655841 T 44 CATAB v2.0f-lin.ifort 2021-Feb-24 00:48:14 2021-Feb-24 00:48
2191-Nov-29 07:17 < 00:01 Europ 0.0473232752313717 0.0473180549148882 0.0473284974618982 4.67934204612306 4.67934199812627 2521638.803664850 0.776291734109433 549.755498809302 52.2837465714738 62.2329491042944 119902.337713318 T 44 CATAB v2.0f-lin.ifort 2021-Feb-24 00:48:14 2021-Feb-24 00:48

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