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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901565406334803 4.645e-08  
a 3.173336663469433 2.9623e-08 AU
q 2.569905941278695 1.5056e-07 AU
i 6.060490861644932 5.3776e-06 deg
node 265.0591851232676 5.1119e-05 deg
peri 38.79873214307413 5.2916e-05 deg
M 209.1051904634488 1.5337e-05 deg
tp 2457865.954920540140
(2017-Apr-22.45492054)
9.0831e-05 JED
period 2064.774609221932
5.65
2.8912e-05
7.916e-08
d
yr
n .1743531707490623 2.4414e-09 deg/d
Q 3.776767385660171 3.5256e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1410  
   data-arc span      29786 days (81.55 yr)  
   first obs. used      1933-08-28  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51633  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:05:53  

Additional Information
 Earth MOID = 1.55918 AU 
 T_jup = 3.165 
[ 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-May); 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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