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1535 Paijanne (1939 RC)
Classification: Main-belt Asteroid          SPK-ID: 2001535
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922873562386785 3.4743e-08  
a 3.165589930092584 1.4028e-08 au
q 2.556887011499299 1.1148e-07 au
i 6.056852199766464 3.7083e-06 deg
node 264.7815869538923 3.7591e-05 deg
peri 40.05808173899348 3.8617e-05 deg
M 197.8758755289453 1.0328e-05 deg
tp 2459926.957611016231
(2022-Dec-13.45761102)
6.0595e-05 TDB
period 2057.218449468881
5.63
1.3674e-05
3.744e-08
d
yr
n .1749935696391127 1.1632e-09 deg/d
Q 3.77429284868587 1.6725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2861  
   data-arc span      31655 days (86.67 yr)  
   first obs. used      1933-08-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:01  

Additional Information
 Earth MOID = 1.54538 au 
 Jupiter MOID = 1.49072 au 
 T_jup = 3.166 
[ 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 11.5   n/a MPO502168  
diameter diameter 23.836 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.8448 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.164   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1535 Paijanne (1939 RC)          Discovered 1939-Sep-09 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1939 RC = 1933 QE1 = 1944 OA = 1956 XB = 1985 XE2 = A916 OB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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