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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0809123170254754 2.07e-08  
a 2.78733697204515 1.027e-08 au
q 2.561807079306205 5.6444e-08 au
i 16.55597494406839 3.4267e-07 deg
node 116.9099179677909 2.4248e-06 deg
peri 88.27809884980422 1.5288e-05 deg
M 132.6374579771033 1.4639e-05 deg
tp 2458574.252032721350
(2019-Mar-31.75203272)
6.851e-05 TDB
period 1699.740568454144
4.65
9.3945e-06
2.572e-08
d
yr
n .2117970275472142 1.1706e-09 deg/d
Q 3.012866864784096 1.1101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2496  
   data-arc span      26218 days (71.78 yr)  
   first obs. used      1949-03-31  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:47:23  

Additional Information
 Earth MOID = 1.62319 au 
 Jupiter MOID = 2.16086 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07871853997217625 2.0793e-08  
q 2.568877299790273 5.6658e-08 au
tp 2456872.323649865610
(2014-Aug-02.82364987)
6.9482e-05 TDB
node 116.9538304445831 2.4271e-06 deg
peri 88.20326762739951 1.5641e-05 deg
i 16.5451428662756 3.4318e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2496  
   data-arc span      26218 days (71.78 yr)  
   first obs. used      1949-03-31  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:47:23  

Additional Information
 Jupiter MOID = 2.16086 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.32348322631908E-16 -1.162669473118795E-15 1.548538729972827E-13 6.074038484564219E-15 -1.510053676431806E-14 3.289901401029129E-15
q -1.162669473118795E-15 3.210100007102013E-15 -4.194664656700793E-13 -1.547149909144636E-14 4.278689805253603E-14 -9.181840222032693E-15
tp 1.548538729972827E-13 -4.194664656700793E-13 4.82774064608046E-9 -2.690238568688432E-11 1.061886849023744E-9 1.118921900403939E-11
node 6.074038484564219E-15 -1.547149909144636E-14 -2.690238568688432E-11 5.890940170241466E-12 -1.188105656508366E-11 -1.072973699995406E-13
peri -1.510053676431806E-14 4.278689805253603E-14 1.061886849023744E-9 -1.188105656508366E-11 2.446426667889604E-10 2.170751920400432E-12
i 3.289901401029129E-15 -9.181840222032693E-15 1.118921900403939E-11 -1.072973699995406E-13 2.170751920400432E-12 1.177693462970907E-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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