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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2757807358778859 3.3755e-08  
a 2.759568178643748 8.4321e-09 au
q 1.998532435632178 9.3861e-08 au
i 11.37060152100809 5.0544e-06 deg
node 40.95338414574646 1.7455e-05 deg
peri 46.06285268502759 1.9459e-05 deg
M 175.0298814508737 8.6309e-06 deg
tp 2458186.414878991883
(2018-Mar-08.91487899)
3.8221e-05 TDB
period 1674.403485471019
4.58
7.6744e-06
2.101e-08
d
yr
n .2150019413622578 9.8544e-10 deg/d
Q 3.520603921655318 1.0758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2274  
   data-arc span      52858 days (144.72 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:11:01  

Additional Information
 Earth MOID = 1.03225 au 
 Jupiter MOID = 1.85446 au 
 T_jup = 3.258 
[ 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 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

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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 1.87846369795432 1.87846305911134 1.87846433680691 1.21942458176489 0.76496507956174 2415609.222646717 1.68081187288508 788.566242570765 326.422244088115 1.91141277278845 896308.666278658 T 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11
1961-Jun-17 01:30 < 00:01 Jupiter 1.95838833251877 1.95838768818777 1.95838897685595 1.02171682760159 0.422948339821683 2437467.562491497 0.849617028856033 2542.45964705828 627.022629894927 -9.68527738105725 1486579.29965881 T 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11
1983-Aug-04 13:35 < 00:01 Jupiter 1.9263316526797 1.92633117844769 1.92633212691642 2.2984270144218 2.09841647401828 2445551.066176618 0.449497979373665 223.006408487316 18.5252018388838 84.7065075726517 1738461.39658111 T 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11
2043-May-21 23:59 < 00:01 Jupiter 1.86699791468613 1.86699746524536 1.86699836413083 1.73187513441549 1.44638458668753 2467391.499106398 0.478733176799573 191.08405951823 87.2958342351094 -89.9233486911421 1444675.9649524 T 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11
2103-Mar-18 00:07 00:01 Jupiter 1.8680017386615 1.86800125015251 1.86800222717601 1.09145167535022 0.533283459759553 2489240.505064900 1.35783474229023 2208.92342783515 363.039145393443 -8.18555137207888 1095080.89828032 T 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11
2163-Jan-22 12:45 00:02 Jupiter 1.92376376309715 1.92376293614942 1.92376459004556 0.861656448434979 n/a 2511101.031277955 2.33817504485382 72.9429412366708 13.0607184194705 -56.9733194652883 18593663.1168469 F 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11
2185-Mar-09 17:17 00:02 Jupiter 1.96975091182371 1.96974969531961 1.96975212833117 2.27708125480197 2.079680014406 2519183.219877744 2.41552543900417 227.333502048279 20.8039973742294 85.2674854446094 964627.187980095 T 38 CATAB v2.0f-lin.ifort 2020-Aug-24 22:11:19 2020-Aug-24 22:11

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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