Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456304.5 (2013-Jan-12.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2781987961943256 3.3833e-08  
q 1.988460724766261 9.409e-08 au
tp 2456516.868509554486
(2013-Aug-12.36850955)
3.5067e-05 TDB
node 41.03570983926275 1.7416e-05 deg
peri 45.98545691704697 1.9385e-05 deg
i 11.39391654915619 5.0634e-06 deg
  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
 Jupiter MOID = 1.85446 au 
 T_jup = 3.258 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.144679132635496E-15 -3.176524162097387E-15 -4.34287610389792E-13 5.691922395895266E-15 -1.205613007076487E-13 -2.025952861776101E-15
q -3.176524162097387E-15 8.852896661728131E-15 1.24607445542604E-12 -1.74091398292392E-14 3.435571999537728E-13 6.043422022812688E-15
tp -4.34287610389792E-13 1.24607445542604E-12 1.229698090163708E-9 -8.16608116010339E-12 3.066083458310042E-10 1.103963477727044E-12
node 5.691922395895266E-15 -1.74091398292392E-14 -8.16608116010339E-12 3.033174913129325E-10 -2.98748291229581E-10 -7.838891893454157E-12
peri -1.205613007076487E-13 3.435571999537728E-13 3.066083458310042E-10 -2.98748291229581E-10 3.757672533103074E-10 7.942771046672987E-12
i -2.025952861776101E-15 6.043422022812688E-15 1.103963477727044E-12 -7.838891893454157E-12 7.942771046672987E-12 2.563761313047007E-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. 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

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-19 16:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin