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166 Rhodope
Classification: Main-belt Asteroid          SPK-ID: 2000166
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116742941173036 4.1716e-08  
a 2.684567557757261 1.1125e-08 au
q 2.116313614958779 1.1141e-07 au
i 12.02883264966851 4.5329e-06 deg
node 128.9203630999615 2.3711e-05 deg
peri 264.5602248171503 2.5447e-05 deg
M 234.9629616761298 1.0284e-05 deg
tp 2458158.515304950997
(2018-Feb-09.01530495)
4.6984e-05 JED
period 1606.608029710577
4.40
9.9867e-06
2.734e-08
d
yr
n .2240745678738157 1.3929e-09 deg/d
Q 3.252821500555743 1.348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      47698 days (130.59 yr)  
   first obs. used      1885-09-10  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55533  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:25:52  

Additional Information
 Earth MOID = 1.16072 au 
 Jupiter MOID = 2.32252 au 
 T_jup = 3.311 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.89 mag n/a PDS3 (MPC 17257)  
rotation period rot_per 4.715 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Collaborative Asteroid Lightcurve Link (CALL) (2011) http://www.minorplanetobserver.com/DATA/submi ssions_results.htm]
B-V BV .725 mag .021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=11.88, mean=11.89, max.=11.89) deg.
U-B UB .425 mag .035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=11.88, mean=11.89, max.=11.89) deg.
Tholen spectral type spec_T GC:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Xe   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)

166 Rhodope          Discovered 1876-Aug-15 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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