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278 Paulina (A888 KA)
Classification: Main-belt Asteroid          SPK-ID: 2000278
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314637070464381 3.8479e-08  
a 2.755282604532709 8.112e-09 au
q 2.393062939380274 1.0734e-07 au
i 7.817175477489205 3.9942e-06 deg
node 61.99312218116 2.7708e-05 deg
peri 139.8573103062416 3.0984e-05 deg
M 29.16725915640889 1.4447e-05 deg
tp 2459065.155450145659
(2020-Aug-03.65545015)
6.6847e-05 TDB
period 1670.50450939805
4.57
7.3773e-06
2.02e-08
d
yr
n .2155037582806182 9.5171e-10 deg/d
Q 3.117502269685144 9.1784e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3380  
   data-arc span      47554 days (130.20 yr)  
   first obs. used      1890-11-13  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41881  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-23 18:10:11  

Additional Information
 Earth MOID = 1.39436 au 
 Jupiter MOID = 1.85674 au 
 T_jup = 3.318 
[ show covariance matrix ]

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 9.44   n/a E2021B10  
diameter diameter 32.773 km 0.254 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.497 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Barucci, M.A.; Di Martino, M.; Dotto, E.; Fulchignoni, M.; et al. (1994) Icarus 109, 267-273.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J. (2006) IAU 2006, poster paper.]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.247   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   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)

278 Paulina (A888 KA)          Discovered 1888-May-16 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A888 KA = 1959 XF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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