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JPL Small-Body Database Browser
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963 Iduberga (A921 UK)
Classification: Main-belt Asteroid          SPK-ID: 2000963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381222847102575 3.2023e-08  
a 2.247513220308231 5.7462e-09 au
q 1.93708155940275 7.1701e-08 au
i 7.983676385154216 3.6695e-06 deg
node 62.46759759058197 2.7626e-05 deg
peri 5.549301962767355 3.1305e-05 deg
M 66.59798961306493 1.495e-05 deg
tp 2458772.827577812974
(2019-Oct-16.32757781)
5.0821e-05 TDB
period 1230.698891415941
3.37
4.7198e-06
1.292e-08
d
yr
n .29251671754235 1.1218e-09 deg/d
Q 2.557944881213712 6.5399e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2283  
   data-arc span      35893 days (98.27 yr)  
   first obs. used      1921-10-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:41:47  

Additional Information
 Earth MOID = .951138 au 
 Jupiter MOID = 2.7226 au 
 T_jup = 3.604 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2   n/a MPO502162  
diameter diameter 9.008 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.0341 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Uzpen, B.; Kipp, S. (2003) Minor Planet Bull. 30, 59-61.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Tan, H.; Yeh, T.; Li, B.; Gao, X. (2018) Minor Planet Bull. 45, 57-59.]
geometric albedo albedo 0.220   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.900   0.010 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=10.21, mean=10.50, max.=10.79) deg.
U-B UB 0.505   0.064 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=10.21, mean=10.50, max.=10.79) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

963 Iduberga (A921 UK)          Discovered 1921-Oct-26 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A921 UK = 1929 BA = 1931 TE3 = 1950 HV = A911 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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