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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2744698122012382 1.4045e-08  
a 2.762224394702142 8.3914e-09 au
q 2.004077183830566 4.0213e-08 au
i 11.35509993073268 5.3026e-07 deg
node 40.83150574656849 1.4547e-06 deg
peri 46.20067040462425 4.2816e-06 deg
M 217.9275002022024 6.2701e-06 deg
tp 2459862.250659509127
(2022-Oct-09.75065951)
3.1373e-05 TDB
period 1676.82160701292
4.59
7.6411e-06
2.092e-08
d
yr
n .2146918899985442 9.7833e-10 deg/d
Q 3.520371605573717 1.0695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2363  
   data-arc span      52930 days (144.91 yr)  
   first obs. used      1875-11-09  
   last obs. used      2020-10-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:23:05  

Additional Information
 Earth MOID = 1.03744 au 
 Jupiter MOID = 1.85517 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 11.22   n/a E2021B10  
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 1.87846378671584 1.87846335481944 1.87846421861854 1.21942280930066 0.764962285197305 2415609.223042439 1.66172069129425 616.494383299064 100.868285461473 16.569051422309 2293270.41205875 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25
1961-Jun-17 01:30 < 00:01 Jupiter 1.9583882661549 1.95838787791605 1.95838865440555 1.02171719302078 0.422949193560704 2437467.562552496 0.824461513998224 1951.12431284455 175.566406673979 -14.0441081882514 4652454.49270126 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25
1983-Aug-04 13:35 < 00:01 Jupiter 1.92633172035915 1.92633150779044 1.92633193292852 2.29842613338728 2.09841551752754 2445551.066190217 0.412844615225569 81.6068847425992 2.09065946069684 86.4541952793353 6853260.68710685 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25
2043-May-21 23:59 < 00:01 Jupiter 1.86699796245426 1.86699783417321 1.86699809073573 1.73187457341995 1.44638392471952 2467391.499065481 0.420162807380987 78.6992894180659 22.8914828752239 82.4361450288186 4805498.69531062 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25
2103-Mar-18 00:07 00:01 Jupiter 1.86800167308937 1.86800151694941 1.86800182923018 1.09145172810594 0.533283542582864 2489240.504887206 1.31825423894982 1546.51140110669 148.578353819018 -2.8184428145571 1330632.35168326 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25
2163-Jan-22 12:45 00:02 Jupiter 1.9237635358087 1.92376290111235 1.9237641705055 0.861655987283106 n/a 2511101.031042660 2.2932418438516 56.6533221885839 5.09512535679782 -56.3847352946589 47107992.4742683 F 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25
2185-Mar-09 17:16 00:02 Jupiter 1.96975115510126 1.96975006823845 1.96975224196474 2.27708127231028 2.07968006025591 2519183.219710852 2.37116968418642 110.960843468832 3.15512234739534 87.7254606485384 1750453.25304112 T 41 CATAB v2.0f-lin.ifort 2021-Apr-12 10:25:20 2021-Apr-12 10:25

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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