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1052 Belgica (1925 VD)
Classification: Main-belt Asteroid          SPK-ID: 2001052
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437025094674765 3.0204e-08  
a 2.235907989408788 5.3926e-09 au
q 1.914602400392365 6.697e-08 au
i 4.697104086456947 3.1317e-06 deg
node 99.57616238656803 4.3043e-05 deg
peri 297.8825068910492 4.476e-05 deg
M 113.9190451940083 1.2984e-05 deg
tp 2458614.067936465274
(2019-May-10.56793647)
4.3635e-05 TDB
period 1221.178975258989
3.34
4.4179e-06
1.21e-08
d
yr
n .2947970832233259 1.0665e-09 deg/d
Q 2.55721357842521 6.1675e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2970  
   data-arc span      40800 days (111.70 yr)  
   first obs. used      1908-10-03  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:25:41  

Additional Information
 Earth MOID = .92752 au 
 Jupiter MOID = 2.84124 au 
 T_jup = 3.620 
[ 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 11.9   n/a MPO502163  
diameter diameter 9.785 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.7097 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Franco, L.; Pravec, P.; Ferrero, A.; Martinez, L. (2013) CBET 3372.]
[Franco, L.; Ferrero, A.; Martinez, L.; Pravec, P.; Padovan, S. (2013) Minor Planet Bull. 40, 151-153.]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.301   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.900   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.24 deg.
U-B UB 0.540   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.24 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B S   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)

1052 Belgica (1925 VD)          Discovered 1925-Nov-15 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1925 VD = 1965 UO1 = A908 TB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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