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1848 Delvaux (1933 QD)
Classification: Main-belt Asteroid          SPK-ID: 2001848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04663698066230123 3.4243e-08  
a 2.872583603768993 1.1065e-08 au
q 2.738614977789175 1.0081e-07 au
i 1.44089393261906 4.7061e-06 deg
node 331.6163780378354 0.00014214 deg
peri 315.8622607784438 0.00015056 deg
M 341.8071862588662 5.0383e-05 deg
tp 2459090.367945904214
(2020-Aug-28.86794590)
0.00024892 TDB
period 1778.309885752756
4.87
1.0275e-05
2.813e-08
d
yr
n .2024394077118974 1.1696e-09 deg/d
Q 3.006552229748811 1.1581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2653  
   data-arc span      31407 days (85.99 yr)  
   first obs. used      1933-08-18  
   last obs. used      2019-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:07:03  

Additional Information
 Earth MOID = 1.72248 au 
 Jupiter MOID = 2.06641 au 
 T_jup = 3.295 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455627.5 (2011-Mar-07.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04173688711958953 3.3135e-08  
q 2.750278657730247 9.6493e-08 au
tp 2455518.679875029662
(2010-Nov-18.17987503)
0.00028259 TDB
node 332.1680207219315 0.00014209 deg
peri 312.0308191088236 0.00015303 deg
i 1.441372653856688 4.7089e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2653  
   data-arc span      31407 days (85.99 yr)  
   first obs. used      1933-08-18  
   last obs. used      2019-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:07:03  

Additional Information
 Jupiter MOID = 2.06641 au 
 T_jup = 3.295 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.097936972622271E-15 -3.177196288530719E-15 2.427159752337038E-12 1.154753569925794E-15 4.934045462472279E-13 2.784123928692634E-16
q -3.177196288530719E-15 9.310886955217037E-15 -6.673814006713887E-12 -4.637103970046411E-15 -1.35659271171627E-12 -5.62802070946619E-16
tp 2.427159752337038E-12 -6.673814006713887E-12 7.985535501846319E-8 4.48441530404685E-12 1.607239369555972E-8 2.208944041323692E-12
node 1.154753569925794E-15 -4.637103970046411E-15 4.48441530404685E-12 2.018890507621419E-8 -2.018110672911026E-8 1.183462336217939E-10
peri 4.934045462472279E-13 -1.35659271171627E-12 1.607239369555972E-8 -2.018110672911026E-8 2.341821813017948E-8 -1.178996480878444E-10
i 2.784123928692634E-16 -5.62802070946619E-16 2.208944041323692E-12 1.183462336217939E-10 -1.178996480878444E-10 2.217392087866384E-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 11.0   n/a MPO256876  
diameter diameter 17.030 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.637 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Arredondo, A.; Hartt, A.-M.; Yazdi, S.K. (2014) Minor Planet Bull. 41, 252-254.]
[Klinglesmith III, D.A. (2017) Minor Planet Bull. 44, 127-129.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.242   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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)

1848 Delvaux (1933 QD)          Discovered 1933-Aug-18 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 QD = 1936 DH = 1948 SF = 1948 SK = 1951 GV = 1952 ML = 1953 TU1 = 1953 VE1 = 1956 GL = 1972 QN = 1975 FV = A912 FA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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