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JPL Small-Body Database Browser
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1902 Shaposhnikov (1972 HU)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001902
[ 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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222081750145107 3.5097e-08  
a 3.974077472357344 2.9491e-08 au
q 3.091004969858539 1.4619e-07 au
i 12.48723981315537 4.3217e-06 deg
node 59.31615394060157 1.8579e-05 deg
peri 267.5437074666346 2.1751e-05 deg
M 311.610133190593 1.5348e-05 deg
tp 2459389.459915012801
(2021-Jun-23.95991501)		 0.00012621 TDB
period 2893.69611113266
7.92		 3.2211e-05
8.819e-08		 d
yr
n .1244083643113055 1.3848e-09 deg/d
Q 4.857149974856148 3.6045e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2943  
   data-arc span      29155 days (79.82 yr)  
   first obs. used      1940-04-05  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:07:50  

Additional Information
 Earth MOID = 2.11457 au 
 Jupiter MOID = .991757 au 
 T_jup = 2.973 
[ 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 9.3   n/a MPO473790 IRAS observations used: 6
diameter diameter 83.430 km 0.825 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 20.977 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Gonano, M.; Di Martino, M.; Mottola, S.; Neukum, G. (1991) Adv. Space Res. 11, no. 12, 197-200.]
[Dahlgren, M.; Lahulla, J.F.; Lagerkvist, C.-I.; Lagerros, J.; et al. (1998) Icarus 133, 247-285.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Warner, B.D.; Stephens, R.D (2017) Minor Planet Bull. 44, 220-222.]
[Warner, B.D.; Stephens, R.D. (2018) Minor Planet Bull. 45, 262-265.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-4, submitted. (Hildas)]
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
B-V BV 0.729   0.111 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=5.04, mean=6.51, max.=7.99) deg.
U-B UB 0.254   0.088 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=5.04, mean=6.51, max.=7.99) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

1902 Shaposhnikov (1972 HU)          Discovered 1972-Apr-18 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 HU = 1940 GK = 1941 MC = 1950 TD4 = 1951 WY1 = 1951 YD = 1958 TP1 = 1958 VB = 1959 XA = 1972 JA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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