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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924663369328673 2.0214e-08  
a 3.16431872510679 1.2937e-08 au
q 2.555293891197406 6.9323e-08 au
i 6.056506159963546 7.8861e-07 deg
node 264.76486202 1.2635e-05 deg
peri 40.20163640552177 1.411e-05 deg
M 267.0419511738947 5.9791e-06 deg
tp 2459927.388425993643
(2022-Dec-13.88842599)
3.5892e-05 TDB
period 2055.979399000032
5.63
1.2609e-05
3.452e-08
d
yr
n .175099030746657 1.0738e-09 deg/d
Q 3.773343559016175 1.5427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3441  
   data-arc span      32112 days (87.92 yr)  
   first obs. used      1933-08-28  
   last obs. used      2021-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:48:32  

Additional Information
 Earth MOID = 1.54331 au 
 Jupiter MOID = 1.49109 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457084.5 (2015-Mar-03.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906286274157681 2.0245e-08  
q 2.566679381559206 6.9341e-08 au
tp 2457866.536638178217
(2017-Apr-23.03663818)
3.0567e-05 TDB
node 264.9719196329 1.2616e-05 deg
peri 39.08628914138816 1.4111e-05 deg
i 6.056045163427132 7.8876e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3441  
   data-arc span      32112 days (87.92 yr)  
   first obs. used      1933-08-28  
   last obs. used      2021-07-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:48:32  

Additional Information
 Jupiter MOID = 1.49109 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.098724897348594E-16 -1.391006555357952E-15 -3.334572793741377E-13 -2.309706795712236E-14 7.079210972783208E-15 -1.550858673964149E-16
q -1.391006555357952E-15 4.808116313124233E-15 1.134981754591885E-12 7.17399159943473E-14 -2.21267306429584E-14 3.245536634172715E-16
tp -3.334572793741377E-13 1.134981754591885E-12 9.343351447517334E-10 -6.711401003503684E-11 1.844816839818238E-10 -1.580215636256942E-12
node -2.309706795712236E-14 7.17399159943473E-14 -6.711401003503684E-11 1.591618714976502E-10 -1.701645846859133E-10 5.669672300725695E-13
peri 7.079210972783208E-15 -2.21267306429584E-14 1.844816839818238E-10 -1.701645846859133E-10 1.991273649235473E-10 -7.148607291374816E-13
i -1.550858673964149E-16 3.245536634172715E-16 -1.580215636256942E-12 5.669672300725695E-13 -7.148607291374816E-13 6.221468146437508E-13

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 11.49   n/a E2021B10  
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. 2020-October); 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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