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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2744698123947402 1.4045e-08  
a 2.762224395696665 8.3915e-09 au
q 2.004077184017627 4.0213e-08 au
i 11.35509995464231 5.3026e-07 deg
node 40.83150600829816 1.4547e-06 deg
peri 46.20066983513484 4.2816e-06 deg
M 217.9275001518881 6.2701e-06 deg
tp 2459862.250660100873
(2022-Oct-09.75066010)
3.1373e-05 TDB
period 1676.821607918516
4.59
7.6412e-06
2.092e-08
d
yr
n .2146918898825962 9.7834e-10 deg/d
Q 3.520371607375704 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 10:41:24  

Additional Information
 Earth MOID = 1.03744 au 
 Jupiter MOID = 1.85517 au 
 T_jup = 3.258 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456520.5 (2013-Aug-16.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2784454086897432 1.4093e-08  
q 1.988613539016193 4.0444e-08 au
tp 2456516.720022929116
(2013-Aug-12.22002293)
2.2214e-05 TDB
node 41.03164217247914 1.4512e-06 deg
peri 45.9339845901825 4.2489e-06 deg
i 11.39157515061677 5.3238e-07 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 10:41:24  

Additional Information
 Jupiter MOID = 1.85517 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.986026500739268E-16 -5.63537943722123E-16 -5.432570153630051E-14 1.11400622388828E-14 -2.509681552407713E-14 2.647317360909785E-15
q -5.63537943722123E-16 1.635705115504066E-15 1.969621870423061E-13 -3.236718688402427E-14 8.041895900541718E-14 -7.927960366339525E-15
tp -5.432570153630051E-14 1.969621870423061E-13 4.934515185335792E-10 -1.514348469848371E-11 8.808283538327668E-11 -5.623565988940642E-12
node 1.11400622388828E-14 -3.236718688402427E-14 -1.514348469848371E-11 2.106025526395209E-12 -4.367204064237799E-12 3.492024403023262E-15
peri -2.509681552407713E-14 8.041895900541718E-14 8.808283538327668E-11 -4.367204064237799E-12 1.805355581077303E-11 -8.769698805730794E-13
i 2.647317360909785E-15 -7.927960366339525E-15 -5.623565988940642E-12 3.492024403023262E-15 -8.769698805730794E-13 2.834250237929115E-13

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

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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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