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1535 Paijanne (1939 RC)
Classification: Main-belt Asteroid          SPK-ID: 2001535
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1913940847975222 4.6141e-08  
a 3.165753927131842 2.7201e-08 au
q 2.559847351554282 1.5087e-07 au
i 6.054919050964103 5.1583e-06 deg
node 264.813669666003 5.0994e-05 deg
peri 39.74655302324431 5.2621e-05 deg
M 278.1991568027763 1.5473e-05 deg
tp 2457867.986891826229
(2017-Apr-24.48689183)
9.0187e-05 JED
period 2057.37831640291
5.63
2.6517e-05
7.26e-08
d
yr
n .1749799719039611 2.2552e-09 deg/d
Q 3.771660502709403 3.2408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1448  
   data-arc span      30062 days (82.31 yr)  
   first obs. used      1933-08-28  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51976  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:39:23  

Additional Information
 Earth MOID = 1.54639 au 
 Jupiter MOID = 1.48074 au 
 T_jup = 3.166 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3 mag n/a MPO256873  
diameter diameter 26.72 km 1.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 19
rotation period rot_per 8.8448 h n/a LCDB (Rev. 2015-December); 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 0.1299   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 19

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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