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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03388310639790803 3.8146e-08  
a 2.765659884798664 9.9743e-09 au
q 2.671950736661605 1.068e-07 au
i 1.681909757346486 4.0426e-06 deg
node 24.90699952743121 0.00013172 deg
peri 316.3862302893454 0.0001431 deg
M 30.35023707008816 5.633e-05 deg
tp 2458858.869701823869
(2020-Jan-10.36970182)
0.0002628 TDB
period 1679.950875693742
4.60
9.0881e-06
2.488e-08
d
yr
n .2142919803243274 1.1593e-09 deg/d
Q 2.859369032935723 1.0312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3079  
   data-arc span      41697 days (114.16 yr)  
   first obs. used      1905-11-04  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:21:09  

Additional Information
 Earth MOID = 1.66326 au 
 Jupiter MOID = 2.26431 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455782.5 (2011-Aug-09.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03671843846713162 3.8384e-08  
q 2.666749545748354 1.0835e-07 au
tp 2455510.503253903830
(2010-Nov-10.00325390)
0.00023998 TDB
node 25.05291122716172 0.00013109 deg
peri 319.1772965094153 0.00014073 deg
i 1.687435424269241 4.0477e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3079  
   data-arc span      41697 days (114.16 yr)  
   first obs. used      1905-11-04  
   last obs. used      2020-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:21:09  

Additional Information
 Jupiter MOID = 2.26431 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.473347770763551E-15 -4.142164799332769E-15 3.009276436428615E-13 3.272603668638301E-15 3.967951943100396E-14 6.125071153939929E-17
q -4.142164799332769E-15 1.173902324850254E-14 -8.179528455421908E-13 -8.401436560983229E-15 -1.059211584239125E-13 -1.979585214061876E-16
tp 3.009276436428615E-13 -8.179528455421908E-13 5.759057078075352E-8 9.919917880372126E-12 1.229589409881819E-8 -1.019295215265091E-12
node 3.272603668638301E-15 -8.401436560983229E-15 9.919917880372126E-12 1.718551710616754E-8 -1.717589806102421E-8 -6.010565271822967E-11
peri 3.967951943100396E-14 -1.059211584239125E-13 1.229589409881819E-8 -1.717589806102421E-8 1.980418017120679E-8 5.986361371569502E-11
i 6.125071153939929E-17 -1.979585214061876E-16 -1.019295215265091E-12 -6.010565271822967E-11 5.986361371569502E-11 1.638410199258816E-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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