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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 ]

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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03393835033914248 1.5666e-08  
a 2.766180365752825 8.4643e-09 au
q 2.672300767398649 4.2894e-08 au
i 1.681799681079732 1.1007e-06 deg
node 24.90599918005941 2.688e-05 deg
peri 316.7093726857394 4.7096e-05 deg
M 72.88845679060157 3.4668e-05 deg
tp 2458860.267792440086
(2020-Jan-11.76779244)
0.00016215 TDB
period 1680.42513334378
4.60
7.713e-06
2.112e-08
d
yr
n .2142315018126735 9.833e-10 deg/d
Q 2.860059964107001 8.7516e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3637  
   data-arc span      42143 days (115.38 yr)  
   first obs. used      1905-11-04  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:03:28  

Additional Information
 Earth MOID = 1.66179 au 
 Jupiter MOID = 2.26314 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456303.5 (2013-Jan-11.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03676514500013289 1.5757e-08  
q 2.66365234763359 4.335e-08 au
tp 2455502.102501611182
(2010-Nov-01.60250161)
0.00015176 TDB
node 25.01456909367951 2.6785e-05 deg
peri 317.2739556816044 4.4537e-05 deg
i 1.686410020080585 1.102e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3637  
   data-arc span      42143 days (115.38 yr)  
   first obs. used      1905-11-04  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:03:28  

Additional Information
 Jupiter MOID = 2.26314 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.482953374358983E-16 -6.710105382089015E-16 2.627041124939717E-13 -8.311221907748152E-14 1.395434046463397E-13 4.240119119024286E-15
q -6.710105382089015E-16 1.87924840281644E-15 -1.113402031525286E-12 2.316230556480912E-13 -4.61916298189511E-13 -1.147357768312443E-14
tp 2.627041124939717E-13 -1.113402031525286E-12 2.303175006249606E-8 -3.015480331612193E-10 5.417343657312192E-9 -2.855230131310344E-11
node -8.311221907748152E-14 2.316230556480912E-13 -3.015480331612193E-10 7.174430023539019E-10 -7.80654414694151E-10 -6.778248456803467E-12
peri 1.395434046463397E-13 -4.61916298189511E-13 5.417343657312192E-9 -7.80654414694151E-10 1.983531965066898E-9 3.501690604223494E-13
i 4.240119119024286E-15 -1.147357768312443E-14 -2.855230131310344E-11 -6.778248456803467E-12 3.501690604223494E-13 1.214497335646706E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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