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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 ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03437352497261913 3.8314e-08  
a 2.767310775207439 1.0347e-08 au
q 2.672188549168848 1.0713e-07 au
i 1.681814590149036 4.0679e-06 deg
node 24.93335295724304 0.00013194 deg
peri 315.6696547759046 0.00014308 deg
M 305.333576174807 5.5775e-05 deg
tp 2458855.830967801867
(2020-Jan-07.33096780)
0.00026068 TDB
period 1681.455306141888
4.60
9.4303e-06
2.582e-08
d
yr
n .2141002491621515 1.2008e-09 deg/d
Q 2.86243300124603 1.0702e-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 = 1.66245 au 
 Jupiter MOID = 2.26363 au 
 T_jup = 3.337 
[ 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-January); 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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