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2973 Paola (1951 AJ)
Classification: Main-belt Asteroid          SPK-ID: 2002973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531655467843695 1.1915e-08  
a 2.468561411257585 5.9574e-09 au
q 2.090462852931522 2.9851e-08 au
i 1.556009535853808 3.5243e-07 deg
node 336.2396340071242 1.0641e-05 deg
peri 91.37625745527941 1.2372e-05 deg
M 39.00393679693173 6.4108e-06 deg
tp 2459047.013467857015
(2020-Jul-16.51346786)
2.5126e-05 TDB
period 1416.655756036948
3.88
5.1282e-06
1.404e-08
d
yr
n .2541196041916981 9.199e-10 deg/d
Q 2.846659969583647 6.8698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2922  
   data-arc span      25638 days (70.19 yr)  
   first obs. used      1951-01-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:39:06  

Additional Information
 Earth MOID = 1.10455 au 
 Jupiter MOID = 2.43628 au 
 T_jup = 3.469 
[ 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 13.17   n/a MPCxxxxx  
diameter diameter 12.079 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 24. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Brinsfield, J.W. (2009) Minor Planet Bull. 36, 64-66.]
geometric albedo albedo 0.050   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B B   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)

2973 Paola (1951 AJ)          Discovered 1951-Jan-10 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1951 AJ = 1951 AQ = 1973 UQ4 = 1981 YB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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