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JPL Small-Body Database Browser
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1088 Mitaka (1927 WA)
Classification: Main-belt Asteroid          SPK-ID: 2001088
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957415875261075 4.0666e-08  
a 2.201414741920111 5.4327e-09 au
q 1.770506325533292 8.971e-08 au
i 7.651831802396698 3.9362e-06 deg
node 54.48646825303078 3.0563e-05 deg
peri 319.6639094869356 3.1879e-05 deg
M 142.4137484033071 1.0942e-05 deg
tp 2458528.544937267486
(2019-Feb-14.04493727)
3.5333e-05 TDB
period 1193.029637156575
3.27
4.4163e-06
1.209e-08
d
yr
n .3017527719244356 1.117e-09 deg/d
Q 2.63232315830693 6.4961e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2426  
   data-arc span      33169 days (90.81 yr)  
   first obs. used      1929-04-14  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:45:13  

Additional Information
 Earth MOID = .780246 au 
 Jupiter MOID = 2.83868 au 
 T_jup = 3.628 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3   n/a MPO502163  
diameter diameter 15.137 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.0361 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Aznar, A. (2015) Minor Planet Bull. 42, 4-6.]
[Benishek, V. (2018) Minor Planet Bull. 45, 82-91.]
geometric albedo albedo 0.173   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.947   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.95, mean=8.32, max.=10.13) deg.
U-B UB 0.594   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.08, mean=9.45, max.=10.13) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
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)

1088 Mitaka (1927 WA)          Discovered 1927-Nov-17 by Oikawa, O. at Tokyo
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1927 WA = 1942 FR = 1953 VW3 = 1971 BE = A917 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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