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1084 Tamariwa (1926 CC)
Classification: Main-belt Asteroid          SPK-ID: 2001084
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332485243160051 3.2434e-08  
a 2.689266202844453 7.8622e-09 au
q 2.330925449822523 8.86e-08 au
i 3.894573865531974 4.1023e-06 deg
node 186.8458246574248 5.1569e-05 deg
peri 109.6340635061905 5.3827e-05 deg
M 346.3271675407466 1.4805e-05 deg
tp 2459061.679385312324
(2020-Jul-31.17938531)
6.6253e-05 TDB
period 1610.827806021349
4.41
7.064e-06
1.934e-08
d
yr
n .2234875749315373 9.8006e-10 deg/d
Q 3.047606955866383 8.9098e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3064  
   data-arc span      34150 days (93.50 yr)  
   first obs. used      1927-05-01  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45895  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:22:41  

Additional Information
 Earth MOID = 1.31872 au 
 Jupiter MOID = 2.14842 au 
 T_jup = 3.357 
[ 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 10.8   n/a MPO473777 IRAS observations used: 5
diameter diameter 26.476 km 0.237 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.1961 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[DeGraff, D.R.; Robbins, A.M.; Gutermuth, R.A. (1998) Bull. Amer. Astron. Soc. 30, 1390.]
[DeGraff, D.R.; Robbins, A.M.; Gutermuth, R.A. (2003) Icarus, submitted.]
[Ivarsen, K.; Willis, S.; Ingleby, L.; Matthews, D.; Simet, M. (2004) Minor Planet Bull. 31, 29-33.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Sada, P.V. (2008) Minor Planet Bull. 35, 50.]
[Stecher, G.; Ford, L.; Lorenzen, K.; Ulrich, S. (2008) Minor Planet Bull. 35, 76-77.]
[Sada, P.V.; Navarro-Meza, S.; Reyes-Ruiz, M.; Olguin, L.; et al. (2016) Minor Planet Bull. 43, 154-156.]
[DeGraff, D.R. (2017) Minor Planet Bull. 44, 350-354.]
[Klinglesmith III, D.A. (2017) Minor Planet Bull. 44, 69-72.]
geometric albedo albedo 0.132   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.770   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.69 deg.
U-B UB 0.270   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=9.69 deg.

1084 Tamariwa (1926 CC)          Discovered 1926-Feb-12 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1926 CC = 1927 JB = 1928 TA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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