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JPL Small-Body Database Browser
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215 Oenone
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03388309296892729 3.83e-08  
a 2.765659882470905 1.0031e-08 au
q 2.671950771552711 1.0714e-07 au
i 1.681906076115014 4.0684e-06 deg
node 24.9069823306317 0.00013196 deg
peri 316.3861895522328 0.00014342 deg
M 30.35029277720542 5.6659e-05 deg
tp 2458858.869442043731
(2020-Jan-10.36944204)
0.00026433 TDB
period 1679.950873572808
4.60
9.1398e-06
2.502e-08
d
yr
n .2142919805948705 1.1659e-09 deg/d
Q 2.859368993389099 1.0371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3031  
   data-arc span      41668 days (114.08 yr)  
   first obs. used      1905-11-04  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:39:18  

Additional Information
 Earth MOID = 1.66326 au 
 Jupiter MOID = 2.26431 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. 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          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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