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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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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


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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