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155 Scylla (A875 VE)
Classification: Main-belt Asteroid          SPK-ID: 2000155
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2757807360427227 3.3801e-08  
a 2.759568178634617 8.4331e-09 au
q 1.998532435170687 9.3982e-08 au
i 11.37060177937105 5.0974e-06 deg
node 40.95338356864909 1.7519e-05 deg
peri 46.06285307157318 1.9565e-05 deg
M 175.0298815664613 8.6746e-06 deg
tp 2458186.414878458312
(2018-Mar-08.91487846)		 3.844e-05 TDB
period 1674.403485462708
4.58		 7.6753e-06
2.101e-08		 d
yr
n .2150019413633249 9.8555e-10 deg/d
Q 3.520603922098548 1.0759e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2245  
   data-arc span      52815 days (144.60 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:08:06  

Additional Information
 Earth MOID = 1.03225 au 
 Jupiter MOID = 1.85446 au 
 T_jup = 3.258 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456279.5 (2012-Dec-18.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2781830251421247 3.3879e-08  
q 1.988450447055179 9.4193e-08 au
tp 2456516.878415783539
(2013-Aug-12.37841578)		 3.5325e-05 TDB
node 41.0355695915153 1.7481e-05 deg
peri 45.98880293137936 1.949e-05 deg
i 11.39396180719894 5.1065e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2245  
   data-arc span      52815 days (144.60 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:08:06  

Additional Information
 Jupiter MOID = 1.85446 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.14781239385339E-15 -3.184365193267775E-15 -4.417257148343287E-13 6.000785051732011E-15 -1.232272250228383E-13 -2.16585619625903E-15
q -3.184365193267775E-15 8.872350171744074E-15 1.265722562030635E-12 -1.831102078165687E-14 3.506552351985226E-13 6.434480260196596E-15
tp -4.417257148343287E-13 1.265722562030635E-12 1.247833107654194E-9 -8.364984034168928E-12 3.12546692716066E-10 1.198459976180833E-12
node 6.000785051732011E-15 -1.831102078165687E-14 -8.364984034168928E-12 3.055745871506436E-10 -3.0101009621696E-10 -8.833601863924654E-12
peri -1.232272250228383E-13 3.506552351985226E-13 3.12546692716066E-10 -3.0101009621696E-10 3.798530735509507E-10 8.942064956910963E-12
i -2.16585619625903E-15 6.434480260196596E-15 1.198459976180833E-12 -8.833601863924654E-12 8.942064956910963E-12 2.607640731243418E-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 11.2   n/a MPO473762  
diameter diameter 39.605 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.9597 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Addleman, D.; Covele, B.; Duncan, A.; Johnson, J.; et al. (2005) Minor Planet Bull. 32, 76-78.]
[Owings, L.E. (2009) Minor Planet Bull. 36, 51-52.]
[Pilcher, F.; Jardine, D. (2009) Minor Planet Bull. 36, 52-54.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 171-175.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.]
geometric albedo albedo 0.027   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.688   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.15, mean=12.52, max.=16.90) deg.
U-B UB 0.234   0.036 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.15, mean=12.52, max.=16.90) deg.
Tholen spectral type spec_T XFC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

155 Scylla (A875 VE)          Discovered 1875-Nov-08 by Palisa, J. at Pola
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
1901-Aug-12 17:21 00:02 Jupiter 1.87846370327085 1.87846306121235 1.87846434533896 1.21942460775729 0.764965122664321 2415609.222637866 1.68126946136504 788.765124455742 326.776611230643 1.89215348294557 895847.382932267 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08
1961-Jun-17 01:30 < 00:01 Jupiter 1.95838834123082 1.9583876930634 1.95838898940448 1.02171688422979 0.422948481167629 2437467.562498559 0.849643068761238 2545.70653908782 628.313928909848 -9.66572309602277 1483541.56236422 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08
1983-Aug-04 13:35 < 00:01 Jupiter 1.92633165558259 1.92633117804589 1.92633213312399 2.29842704735927 2.09841651041096 2445551.066176306 0.449817563908562 223.646948449276 18.5994562920746 84.71825176135 1728299.61704706 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08
2043-May-21 23:59 < 00:01 Jupiter 1.86699792042661 1.86699746719458 1.86699837366268 1.73187517792406 1.44638463974836 2467391.499104964 0.48094480119251 191.565212881446 87.4521505418877 -89.784007901812 1440457.0721835 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08
2103-Mar-18 00:07 00:01 Jupiter 1.86800174748433 1.86800125474021 1.86800224023397 1.09145175349021 0.533283623701766 2489240.505058002 1.36033606947367 2211.60407388264 363.319682791211 -8.18069534300524 1093757.80691981 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08
2163-Jan-22 12:45 00:02 Jupiter 1.9237637730957 1.92376294148005 1.92376460471204 0.861656445944715 n/a 2511101.031277859 2.3414978216448 73.2855104547364 13.1283886208765 -56.9356419760014 18490384.4429726 F 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08
2185-Mar-09 17:17 00:02 Jupiter 1.96975091372694 1.9697496923742 1.96975213508314 2.27708125397271 2.07968001369781 2519183.219880392 2.41884545389563 228.476264852767 20.8861429043711 85.2893163845361 963227.657060509 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:08:18 2020-Jun-23 15:08

Alternate Designations
 A875 VE = 1930 UN = 1930 XS = 1934 RU = 1939 TK = 1941 HL = 1950 FL = 1950 FN = A907 TJ 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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