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JPL Small-Body Database Browser
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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2757807360782232 3.3818e-08  
a 2.759568178657753 8.4334e-09 au
q 1.998532435089476 9.4027e-08 au
i 11.37060184087259 5.1113e-06 deg
node 40.95338341450753 1.7547e-05 deg
peri 46.06285318574558 1.9607e-05 deg
M 175.0298815797678 8.6909e-06 deg
tp 2458186.414878386183
(2018-Mar-08.91487839)
3.8522e-05 TDB
period 1674.403485483766
4.58
7.6756e-06
2.101e-08
d
yr
n .215001941360621 9.8559e-10 deg/d
Q 3.52060392222603 1.0759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2235  
   data-arc span      52766 days (144.47 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 00:59:44  

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 1.87846370643739 1.87846306328473 1.87846434959966 1.21942455399496 0.764965037955874 2415609.222645930 1.681448637754 788.821388950009 326.874075935822 1.88876126436149 895725.798251403 T 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59
1961-Jun-17 01:30 < 00:01 Jupiter 1.95838834396296 1.95838769447983 1.95838899345233 1.02171694575845 0.422948631229061 2437467.562507685 0.849654648354027 2546.90198595875 628.876380402985 -9.65865734585254 1482378.39339953 T 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59
1983-Aug-04 13:35 < 00:01 Jupiter 1.92633165626899 1.92633117753853 1.92633213500416 2.29842719004267 2.09841666676889 2445551.066164132 0.449926228158626 223.891609552256 18.6213330655973 84.7230160956041 1725152.85325458 T 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59
2043-May-21 23:59 < 00:01 Jupiter 1.86699792196621 1.86699746741332 1.86699837652302 1.73187520337506 1.44638467048159 2467391.499103317 0.481759565265122 191.740758376464 87.4940156800437 -89.7403471687809 1439261.94356557 T 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59
2103-Mar-18 00:07 00:01 Jupiter 1.86800174943327 1.86800125523677 1.86800224363529 1.09145165308471 0.533283419092646 2489240.505067878 1.36128290090246 2212.5186358209 363.413561189295 -8.17778887175707 1093258.7909538 T 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59
2163-Jan-22 12:45 00:02 Jupiter 1.92376377493953 1.92376294164225 1.92376460823751 0.861656469025241 n/a 2511101.031280441 2.34276818871594 73.4056332234276 13.1534287351932 -56.9205697350654 18452231.3431134 F 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59
2185-Mar-09 17:17 00:02 Jupiter 1.96975091437332 1.96974969121119 1.96975213753892 2.27708129906073 2.07968006313339 2519183.219876969 2.42010474021863 228.912113846495 20.9101409532313 85.2974690081487 962823.976197534 T 36 CATAB v2.0f-lin.ifort 2020-May-20 00:59:55 2020-May-20 00:59

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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