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215 Oenone (A880 GA)
Classification: Main-belt Asteroid          SPK-ID: 2000215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03393835034776208 1.5666e-08  
a 2.766180365834376 8.4652e-09 au
q 2.672300767453588 4.2896e-08 au
i 1.681799682606936 1.1007e-06 deg
node 24.90599915654905 2.6881e-05 deg
peri 316.7093727136831 4.7099e-05 deg
M 72.88845676948024 3.4671e-05 deg
tp 2458860.267792523632
(2020-Jan-11.76779252)
0.00016217 TDB
period 1680.425133418091
4.60
7.7137e-06
2.112e-08
d
yr
n .2142315018031997 9.834e-10 deg/d
Q 2.860059964215164 8.7525e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3633  
   data-arc span      42133 days (115.35 yr)  
   first obs. used      1905-11-04  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:29:49  

Additional Information
 Earth MOID = 1.66179 au 
 Jupiter MOID = 2.26314 au 
 T_jup = 3.338 
[ 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 9.5   n/a MPO502154  
diameter diameter 35.210 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 27.937 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2013) Minor Planet Bull. 40, 161-163.]
[Skiff, B.A. (2018) Posting on CALL web site: http://www.minorplanet.info/call.html]
geometric albedo albedo 0.243   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.845   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.34, mean=9.91, max.=10.47) deg.
U-B UB 0.451   0.054 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.34, mean=9.91, max.=10.47) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

215 Oenone (A880 GA)          Discovered 1880-Apr-07 by Knorre, V. at Berlin
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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