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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03388310718247113 3.6435e-08  
a 2.765659884503623 9.3751e-09 au
q 2.671950734206726 1.0106e-07 au
i 1.68191010753858 4.0131e-06 deg
node 24.90696751132666 0.00012461 deg
peri 316.3862608458611 0.00013642 deg
M 30.35023864901472 5.5641e-05 deg
tp 2458858.869694478424
(2020-Jan-10.36969448)
0.00025962 TDB
period 1679.950875424916
4.60
8.5421e-06
2.339e-08
d
yr
n .2142919803586185 1.0896e-09 deg/d
Q 2.85936903480052 9.6928e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3374  
   data-arc span      41997 days (114.98 yr)  
   first obs. used      1905-11-04  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:07  

Additional Information
 Earth MOID = 1.66326 au 
 Jupiter MOID = 2.26431 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456006.5 (2012-Mar-20.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03673766627886386 3.666e-08  
q 2.664390148873535 1.0223e-07 au
tp 2455504.558929082382
(2010-Nov-04.05892908)
0.00023774 TDB
node 25.02456086299539 0.00012414 deg
peri 317.8136140353969 0.00013417 deg
i 1.686449531108406 4.0177e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3374  
   data-arc span      41997 days (114.98 yr)  
   first obs. used      1905-11-04  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:07  

Additional Information
 Jupiter MOID = 2.26431 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.343953139342258E-15 -3.732775422126462E-15 7.668442870707179E-13 2.651396393936416E-15 1.362827692833621E-13 6.036497068166777E-17
q -3.732775422126462E-15 1.045012765256037E-14 -2.218294224895055E-12 -9.568987181215478E-15 -3.925186083218379E-13 -1.446847616091882E-16
tp 7.668442870707179E-13 -2.218294224895055E-12 5.652119105617888E-8 -7.181418584701091E-12 1.211107985485034E-8 -7.434233775693921E-13
node 2.651396393936416E-15 -9.568987181215478E-15 -7.181418584701091E-12 1.541117356843204E-8 -1.540611722873337E-8 -4.039982349055644E-11
peri 1.362827692833621E-13 -3.925186083218379E-13 1.211107985485034E-8 -1.540611722873337E-8 1.800140733990998E-8 4.022842838460185E-11
i 6.036497068166777E-17 -1.446847616091882E-16 -7.434233775693921E-13 -4.039982349055644E-11 4.022842838460185E-11 1.614176650387399E-11

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. 2019-August); 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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