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487 Venetia (A902 NC)
Classification: Main-belt Asteroid          SPK-ID: 2000487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 94 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08606914200569872 2.1048e-08  
a 2.669627168867922 5.4381e-09 au
q 2.439854648968357 5.7067e-08 au
i 10.25351641456387 1.9598e-07 deg
node 114.7746370294287 1.4329e-06 deg
peri 280.9440365476864 9.5591e-06 deg
M 324.1371440547071 1.1102e-05 deg
tp 2459359.214541219649
(2021-May-24.71454122)
4.9242e-05 TDB
period 1593.214855120126
4.36
4.8682e-06
1.333e-08
d
yr
n .2259582245565094 6.9043e-10 deg/d
Q 2.899399688767486 5.9062e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3175  
   data-arc span      43310 days (118.58 yr)  
   first obs. used      1902-07-09  
   last obs. used      2021-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:15:34  

Additional Information
 Earth MOID = 1.47153 au 
 Jupiter MOID = 2.44513 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457184.5 (2015-Jun-11.0) TDB
Reference: JPL 94 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08874402247954753 2.1162e-08  
q 2.43242111280354 5.7517e-08 au
tp 2457764.140874495234
(2017-Jan-10.64087450)
4.69e-05 TDB
node 114.8293916736952 1.4367e-06 deg
peri 280.7118636569847 9.2413e-06 deg
i 10.24615961366019 1.9619e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3175  
   data-arc span      43310 days (118.58 yr)  
   first obs. used      1902-07-09  
   last obs. used      2021-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 11:15:34  

Additional Information
 Jupiter MOID = 2.44513 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.478506457322245E-16 -1.212865347317306E-15 -1.889855932527186E-13 7.26304197298289E-15 -1.498737101695067E-14 -1.258994696750843E-15
q -1.212865347317306E-15 3.308191772266801E-15 5.343232830900943E-13 -1.948745550078497E-14 4.263019493294124E-14 3.355950544040618E-15
tp -1.889855932527186E-13 5.343232830900943E-13 2.199584792116001E-9 7.364335848718405E-12 4.247062111416867E-10 4.058552530100266E-13
node 7.26304197298289E-15 -1.948745550078497E-14 7.364335848718405E-12 2.064015768836488E-12 8.278630936241104E-14 -1.579361252743565E-13
peri -1.498737101695067E-14 4.263019493294124E-14 4.247062111416867E-10 8.278630936241104E-14 8.540133819145197E-11 1.697126577741234E-13
i -1.258994696750843E-15 3.355950544040618E-15 4.058552530100266E-13 -1.579361252743565E-13 1.697126577741234E-13 3.849189872294224E-14

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 8.36   n/a E2021B10 IRAS observations used: 22
diameter diameter 59.046 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.34 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Neely, A.W. (1992) Minor Planet Bull. 19, 31-32.]
[Schober, H.J.; Erikson, A.; Hahn, G.; Lagerkvist, C.-I.; et al. (1994) Astron. Astrophys. Suppl. Ser. 105, 281-300.]
[Erikson, A.; Mottola, S.; Lagerros, J.S.V.; Lindgren, M.; et al. (2000) Icarus 147, 487-497.]
[Tungalag, N.; Shevchenko, V.G.; Lupishko, D.F. (2002) Kin. Fiz. Neb. Tel 18, 508-516; Kinematics and Physics of Celestial Bodies 18, ???-???.]
[Ferrero, A. (2014) Minor Planet Bull. 41, 184-185.]
[Marciniak, A.; Pilcher, F.; Oszkiewicz, D.; Santana-Ros, T.; et al. (2015) Planet. Space Sci. 118, 256-266.]
[Marciniak, A.; Bartczak, P.; Muller, T.; Sanabria, J.J.; et al. (2018) Astron. Astrophys. 610, A7.]
geometric albedo albedo 0.328   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.852   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.60, mean=8.94, max.=14.29) deg.
U-B UB 0.424   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.60 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

487 Venetia (A902 NC)          Discovered 1902-Jul-09 by Carnera, L. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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