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953 Painleva (A921 HB)
Classification: Main-belt Asteroid          SPK-ID: 2000953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902149764148055 3.111e-08  
a 2.785851375817125 8.9756e-09 au
q 2.255940722070917 8.7048e-08 au
i 8.661730728386628 4.1622e-06 deg
node 36.40045884673201 2.3901e-05 deg
peri 259.5688686025717 2.6426e-05 deg
M 43.83064478506515 1.1926e-05 deg
tp 2458793.718967027608
(2019-Nov-06.21896703)
5.5948e-05 TDB
period 1698.381856691879
4.65
8.2079e-06
2.247e-08
d
yr
n .2119664659520155 1.0244e-09 deg/d
Q 3.315762029563333 1.0683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4205  
   data-arc span      33966 days (92.99 yr)  
   first obs. used      1927-10-30  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:24:00  

Additional Information
 Earth MOID = 1.26004 au 
 Jupiter MOID = 1.96595 au 
 T_jup = 3.288 
[ 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 10.0   n/a MPO492761  
diameter diameter 24.062 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.389 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Schmidt, R.E. (2015) Minor Planet Bull. 42, 1-3.]
geometric albedo albedo 0.177   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

953 Painleva (A921 HB)          Discovered 1921-Apr-29 by Jekhovsky, B. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A921 HB = A913 UE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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