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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907715736818332 3.5294e-08  
a 2.787354541210998 1.0297e-08 au
q 2.255606528974972 1.0093e-07 au
i 8.664186955068669 4.2057e-06 deg
node 36.43257942366152 2.6817e-05 deg
peri 259.6665244917674 2.9024e-05 deg
M 318.992009559831 1.1968e-05 deg
tp 2458794.121122253492
(2019-Nov-06.62112225)
5.6854e-05 TDB
period 1699.756639208041
4.65
9.4192e-06
2.579e-08
d
yr
n .2117950250617835 1.1737e-09 deg/d
Q 3.319102553447025 1.2262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2789  
   data-arc span      33588 days (91.96 yr)  
   first obs. used      1927-10-30  
   last obs. used      2019-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:59:24  

Additional Information
 Earth MOID = 1.25907 au 
 Jupiter MOID = 1.96236 au 
 T_jup = 3.287 
[ 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 10.1   n/a MPO448920  
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-January); 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

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