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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2757807360767253 3.3718e-08  
a 2.759568178685415 8.4316e-09 au
q 1.998532435113643 9.3763e-08 au
i 11.37060111597278 5.0227e-06 deg
node 40.95338485020688 1.7427e-05 deg
peri 46.06285190528028 1.9406e-05 deg
M 175.0298815087924 8.6045e-06 deg
tp 2458186.414878704058
(2018-Mar-08.91487870)		 3.8088e-05 TDB
period 1674.403485508941
4.58		 7.674e-06
2.101e-08		 d
yr
n .2150019413573883 9.8538e-10 deg/d
Q 3.520603922257187 1.0757e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2306  
   data-arc span      52930 days (144.91 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:47  

Additional Information
 Earth MOID = 1.03225 au 
 Jupiter MOID = 1.85446 au 
 T_jup = 3.258 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456330.5 (2013-Feb-07.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .278221364991368 3.3795e-08  
q 1.988479037554451 9.4007e-08 au
tp 2456516.854589467190
(2013-Aug-12.35458947)		 3.4911e-05 TDB
node 41.03592190612319 1.7388e-05 deg
peri 45.98047539820417 1.9331e-05 deg
i 11.39382464562915 5.0316e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2306  
   data-arc span      52930 days (144.91 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:47  

Additional Information
 Jupiter MOID = 1.85446 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.142089004330779E-15 -3.170116367536044E-15 -4.290727554574867E-13 5.570363209111254E-15 -1.187899873133019E-13 -1.953302414858301E-15
q -3.170116367536044E-15 8.837234560196827E-15 1.232145344564319E-12 -1.702579331212751E-14 3.388029253276539E-13 5.839387087665336E-15
tp -4.290727554574867E-13 1.232145344564319E-12 1.218776964716085E-9 -8.082920882716086E-12 3.03087833113265E-10 1.051502330870295E-12
node 5.570363209111254E-15 -1.702579331212751E-14 -8.082920882716086E-12 3.0233835821273E-10 -2.977680272962615E-10 -7.279251964699868E-12
peri -1.187899873133019E-13 3.388029253276539E-13 3.03087833113265E-10 -2.977680272962615E-10 3.737019366679324E-10 7.380389216596408E-12
i -1.953302414858301E-15 5.839387087665336E-15 1.051502330870295E-12 -7.279251964699868E-12 7.380389216596408E-12 2.531696305926546E-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. 2020-October); 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 1.87846368256432 1.87846304582349 1.87846431931475 1.21942456969676 0.764965055494702 2415609.222639850 1.6805651742088 788.35106544351 326.120520186447 1.93473429390587 896784.864056526 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32
1961-Jun-17 01:30 < 00:01 Jupiter 1.9583883193522 1.95838767756852 1.95838896114201 1.02171690662404 0.422948523841122 2437467.562500669 0.849607434092138 2540.84034116095 626.520904587681 -9.69492101203079 1488015.94444157 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32
1983-Aug-04 13:35 < 00:01 Jupiter 1.92633164531269 1.92633117315788 1.9263321174722 2.29842695707583 2.09841641040501 2445551.066176207 0.449282871822674 222.56700961733 18.4637624894762 84.7012274366646 1746318.91767708 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32
2043-May-21 23:59 < 00:01 Jupiter 1.86699790400462 1.86699745698757 1.8669983510256 1.73187507039201 1.44638450823241 2467391.499109949 0.477419899340512 190.774058244086 87.1423615672284 89.9719355991907 1448434.70716872 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32
2103-Mar-18 00:07 00:01 Jupiter 1.86800172695766 1.86800124118195 1.86800221273889 1.09145162288856 0.533283347060849 2489240.505071523 1.35640779214622 2206.80338584356 362.896169016977 -8.18346565325106 1095762.02816647 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32
2163-Jan-22 12:45 00:02 Jupiter 1.92376375394691 1.92376292988334 1.92376457801115 0.861656509621328 n/a 2511101.031291346 2.33630123123383 72.7153876215071 13.0256632241956 -56.989882436596 18647158.0132337 F 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32
2185-Mar-09 17:17 00:02 Jupiter 1.96975089888822 1.96974968527344 1.96975211250635 2.27708117506924 2.07967992574723 2519183.219886344 2.41364863763319 226.619247582503 20.7350263222243 85.2555258803646 965837.842937911 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:54 2020-Nov-13 04:32

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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