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233 Asterope (A883 JA)
Classification: Main-belt Asteroid          SPK-ID: 2000233
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 97 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0994195062941443 1.6555e-08  
a 2.660727724820737 4.699e-09 au
q 2.396199488035918 4.2486e-08 au
i 7.689883296388487 6.9872e-07 deg
node 221.9522908376776 2.8259e-06 deg
peri 126.2641170040315 1.1805e-05 deg
M 185.4144483621198 9.4027e-06 deg
tp 2460165.284959271867
(2023-Aug-08.78495927)
4.1531e-05 TDB
period 1585.254809126041
4.34
4.1995e-06
1.15e-08
d
yr
n .2270928294476961 6.0159e-10 deg/d
Q 2.925255961605557 5.1662e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3413  
   data-arc span      45277 days (123.96 yr)  
   first obs. used      1897-08-05  
   last obs. used      2021-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:22:41  

Additional Information
 Earth MOID = 1.39934 au 
 Jupiter MOID = 2.4644 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457294.5 (2015-Sep-29.0) TDB
Reference: JPL 97 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006766983254712 1.6921e-08  
q 2.391863323070311 4.3633e-08 au
tp 2456989.693111275085
(2014-Nov-28.19311128)
4.0114e-05 TDB
node 222.022452361763 2.8295e-06 deg
peri 125.097611941019 1.1492e-05 deg
i 7.68324604992329 6.9829e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3413  
   data-arc span      45277 days (123.96 yr)  
   first obs. used      1897-08-05  
   last obs. used      2021-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:22:41  

Additional Information
 Jupiter MOID = 2.4644 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.863278714705599E-16 -7.35460414082871E-16 -3.517255398894291E-13 8.99168742662674E-15 -1.161432243657286E-13 1.242429234347172E-15
q -7.35460414082871E-16 1.903847595704286E-15 9.244390012029764E-13 -2.377849104234312E-14 3.040135462983708E-13 -3.235430454464074E-15
tp -3.517255398894291E-13 9.244390012029764E-13 1.609169818166439E-9 -3.915893317635672E-11 4.46178678988224E-10 -8.160751725794107E-12
node 8.99168742662674E-15 -2.377849104234312E-14 -3.915893317635672E-11 8.005938443457954E-12 -1.748621887062419E-11 1.28898890710292E-12
peri -1.161432243657286E-13 3.040135462983708E-13 4.46178678988224E-10 -1.748621887062419E-11 1.320600039637501E-10 -3.309570153265039E-12
i 1.242429234347172E-15 -3.235430454464074E-15 -8.160751725794107E-12 1.28898890710292E-12 -3.309570153265039E-12 4.876152425446129E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.38   n/a MPO636063 IRAS observations used: 41
diameter diameter 99.672 km 1.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 19.70 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
[Piironen, J.; Lagerkvist, C.-I.; Erikson, A.; Oja, T.; et al. (1998) Astron. Astrophys. Suppl. Ser. 128, 525-540.]
[Durech, J. (2006) IAU 2006, poster paper.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Hanus, J.; Viikinkoski, M.; Marchis, F.; Durech, J.; et al (2017) Astron. Astrophys. 601, A114.]
geometric albedo albedo 0.094   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.775   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=13.70, mean=17.10, max.=19.46) deg.
U-B UB 0.321   0.023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=13.70, mean=17.10, max.=19.46) deg.
Tholen spectral type spec_T T   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B K   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

233 Asterope (A883 JA)          Discovered 1883-May-11 by Borrelly, A. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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