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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888023863203626 4.7853e-08  
a 3.177848575396318 3.1443e-08 AU
q 2.577863180996728 1.5165e-07 AU
i 6.08388059185209 5.8706e-06 deg
node 265.289932023113 5.1823e-05 deg
peri 37.99539969044183 5.4143e-05 deg
M 175.0650629538358 1.5565e-05 deg
tp 2455794.274754641808
(2011-Aug-20.77475464)
8.9599e-05 JED
period 2069.179779317082
5.67
3.071e-05
8.408e-08
d
yr
n .1739819824253335 2.5822e-09 deg/d
Q 3.777833969795907 3.7379e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      29429 days (80.57 yr)  
   first obs. used      1933-08-28  
   last obs. used      2014-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53368  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:17:49  

Additional Information
 Earth MOID = 1.56505 AU 
 T_jup = 3.164 
[ 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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