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200 Dynamene (A879 OA)
Classification: Main-belt Asteroid          SPK-ID: 2000200
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 94 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320432006193671 3.6367e-08  
a 2.737032882002682 7.9914e-09 au
q 2.375626300062597 9.9277e-08 au
i 6.899690729863127 3.9712e-06 deg
node 324.269798064867 3.4032e-05 deg
peri 86.76120253129928 3.7602e-05 deg
M 313.4543971364455 1.6878e-05 deg
tp 2459214.342788133445
(2020-Dec-30.84278813)
7.7962e-05 TDB
period 1653.93504416974
4.53
7.2436e-06
1.983e-08
d
yr
n .2176627197476892 9.5328e-10 deg/d
Q 3.098439463942767 9.0466e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3298  
   data-arc span      51507 days (141.02 yr)  
   first obs. used      1879-07-28  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:12:02  

Additional Information
 Earth MOID = 1.39836 au 
 Jupiter MOID = 2.28196 au 
 T_jup = 3.329 
[ 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 8.3   n/a MPO502154 IRAS observations used: 24
diameter diameter 128.301 km 1.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 37.394 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2012) Minor Planet Bull. 39, 57-60.]
geometric albedo albedo 0.053   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.727   0.009 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=2.28, mean=10.14, max.=17.02) deg.
U-B UB 0.375   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=2.12, mean=6.41, max.=16.05) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   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)

200 Dynamene (A879 OA)          Discovered 1879-Jul-27 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A879 OA = 1955 HZ = 1961 TO1 = 1974 HE1 = A904 CA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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