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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527548844744365 3.0341e-08  
a 2.468303487926222 7.7786e-09 au
q 2.091258073780204 7.6401e-08 au
i 1.555760558861646 3.5891e-06 deg
node 336.2477118268108 0.00012007 deg
peri 91.32132286757063 0.00012067 deg
M 246.5284180243119 1.3572e-05 deg
tp 2459046.958269053065
(2020-Jul-16.45826905)
5.4353e-05 TDB
period 1416.433736629666
3.88
6.6956e-06
1.833e-08
d
yr
n .2541594362589825 1.2014e-09 deg/d
Q 2.845348902072241 8.9668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2230  
   data-arc span      25133 days (68.81 yr)  
   first obs. used      1951-01-09  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44385  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:21:36  

Additional Information
 Earth MOID = 1.10565 au 
 Jupiter MOID = 2.43768 au 
 T_jup = 3.469 
[ show covariance matrix ]

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 13.0   n/a MPO435726  
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. 2019-January); 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

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