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1548 Palomaa (1935 FK)
Classification: Main-belt Asteroid          SPK-ID: 2001548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08125555925190488 2.0728e-08  
a 2.786212955641502 1.013e-08 au
q 2.559817663735949 5.6535e-08 au
i 16.55545310714867 3.4267e-07 deg
node 116.9060710634824 2.4253e-06 deg
peri 88.08508851338873 1.524e-05 deg
M 174.372222262694 1.4645e-05 deg
tp 2458573.699229939970
(2019-Mar-31.19922994)
6.8228e-05 TDB
period 1698.712520709688
4.65
9.2638e-06
2.536e-08
d
yr
n .2119252054783226 1.1557e-09 deg/d
Q 3.012608247547055 1.0953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2498  
   data-arc span      26377 days (72.22 yr)  
   first obs. used      1949-03-31  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:20:34  

Additional Information
 Earth MOID = 1.62281 au 
 Jupiter MOID = 2.16027 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457196.5 (2015-Jun-23.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07871880667797547 2.0792e-08  
q 2.568879008686875 5.6656e-08 au
tp 2456872.326255928128
(2014-Aug-02.82625593)
6.9478e-05 TDB
node 116.953835595163 2.4271e-06 deg
peri 88.203911395516 1.564e-05 deg
i 16.54513723521923 3.4317e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2498  
   data-arc span      26377 days (72.22 yr)  
   first obs. used      1949-03-31  
   last obs. used      2021-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:20:34  

Additional Information
 Jupiter MOID = 2.16027 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.323046270432455E-16 -1.16256936658948E-15 1.549927900938594E-13 6.072418859641739E-15 -1.506456802714937E-14 3.289963729982662E-15
q -1.16256936658948E-15 3.209870842873351E-15 -4.197848708314694E-13 -1.546775723501241E-14 4.270435497679267E-14 -9.181994194981091E-15
tp 1.549927900938594E-13 -4.197848708314694E-13 4.827240138634758E-9 -2.689736587124548E-11 1.06176042278833E-9 1.118890044111359E-11
node 6.072418859641739E-15 -1.546775723501241E-14 -2.689736587124548E-11 5.890884082947041E-12 -1.187975952918543E-11 -1.072942443801722E-13
peri -1.506456802714937E-14 4.270435497679267E-14 1.06176042278833E-9 -1.187975952918543E-11 2.446105981337553E-10 2.170675073689587E-12
i 3.289963729982662E-15 -9.181994194981091E-15 1.118890044111359E-11 -1.072942443801722E-13 2.170675073689587E-12 1.177689094131048E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.66   n/a E2021B10  
diameter diameter 30.761 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.4961 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1548 Palomaa (1935 FK)          Discovered 1935-Mar-26 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1935 FK = 1959 NF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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