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3290 Azabu (1973 SZ1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003290
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294705856449676 3.1597e-08  
a 3.955786015458941 2.7082e-08 au
q 3.443628083351299 1.2123e-07 au
i 2.772091878254991 3.2197e-06 deg
node 75.08063160296723 7.6602e-05 deg
peri 108.9942357575656 7.7641e-05 deg
M 146.2044197318081 1.357e-05 deg
tp 2457833.406598187986
(2017-Mar-20.90659819)
0.00010445 TDB
period 2873.740926731484
7.87
2.9511e-05
8.08e-08
d
yr
n .1252722528503828 1.2865e-09 deg/d
Q 4.467943947566583 3.0589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2434  
   data-arc span      24305 days (66.54 yr)  
   first obs. used      1954-04-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:32  

Additional Information
 Earth MOID = 2.44722 au 
 Jupiter MOID = .499768 au 
 T_jup = 3.043 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457030.5 (2015-Jan-08.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265792651200078 3.2197e-08  
q 3.459972620664229 1.2365e-07 au
tp 2457856.516866389730
(2017-Apr-13.01686639)
0.00010591 TDB
node 75.23996934319833 7.6831e-05 deg
peri 112.6610302195105 7.7892e-05 deg
i 2.770498676573631 3.2084e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2434  
   data-arc span      24305 days (66.54 yr)  
   first obs. used      1954-04-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:01:32  

Additional Information
 Jupiter MOID = .499768 au 
 T_jup = 3.043 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.036620499878453E-15 -3.911493366323209E-15 -2.856653894988502E-13 -2.363025503959359E-15 -4.142401764627833E-14 -5.504481197176421E-17
q -3.911493366323209E-15 1.528921496794115E-14 1.586046431526415E-12 1.002303723227668E-14 1.942491078112753E-13 4.095959897877719E-16
tp -2.856653894988502E-13 1.586046431526415E-12 1.121593152133191E-8 1.146808533940446E-13 1.383718346077137E-9 -2.060209083619378E-13
node -2.363025503959359E-15 1.002303723227668E-14 1.146808533940446E-13 5.902974945712474E-9 -5.896004090699348E-9 3.897695226448869E-12
peri -4.142401764627833E-14 1.942491078112753E-13 1.383718346077137E-9 -5.896004090699348E-9 6.06711242937347E-9 -3.938203918250809E-12
i -5.504481197176421E-17 4.095959897877719E-16 -2.060209083619378E-13 3.897695226448869E-12 -3.938203918250809E-12 1.029375075378495E-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 12.1   n/a MPO332848  
diameter diameter 10.184 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 7.670 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2017) Minor Planet Bull. 44, 331-334.]
geometric albedo albedo 0.324   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

3290 Azabu (1973 SZ1)          Discovered 1973-Sep-19 by Van Houten, C. J. at Palomar
and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1973 SZ1 = 1982 VX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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