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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03388310952641852 3.6015e-08  
a 2.765659883859991 9.2339e-09 au
q 2.671950727102341 9.9652e-08 au
i 1.681910608611549 3.9948e-06 deg
node 24.90694085622618 0.00012288 deg
peri 316.3862864612031 0.00013482 deg
M 30.35024004050926 5.5534e-05 deg
tp 2458858.869688034413
(2020-Jan-10.36968803)
0.00025913 TDB
period 1679.950874838472
4.60
8.4134e-06
2.303e-08
d
yr
n .2142919804334244 1.0732e-09 deg/d
Q 2.859369040617641 9.5468e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3409  
   data-arc span      42016 days (115.03 yr)  
   first obs. used      1905-11-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:51:52  

Additional Information
 Earth MOID = 1.66326 au 
 Jupiter MOID = 2.26431 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456046.5 (2012-Apr-29.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03676210462774599 3.6235e-08  
q 2.66404424333578 1.0075e-07 au
tp 2455503.871604464554
(2010-Nov-03.37160446)
0.00023732 TDB
node 25.02085015828422 0.00012243 deg
peri 317.6549013448365 0.00013256 deg
i 1.68641752762062 3.9993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3409  
   data-arc span      42016 days (115.03 yr)  
   first obs. used      1905-11-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:51:52  

Additional Information
 Jupiter MOID = 2.26431 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312952439505884E-15 -3.636187778991249E-15 8.449308655636616E-13 2.746705637534197E-15 1.519715645857019E-13 5.44746569877609E-17
q -3.636187778991249E-15 1.015010792206485E-14 -2.452013381913751E-12 -9.898508313260892E-15 -4.392696284263195E-13 -1.201928673699707E-16
tp 8.449308655636616E-13 -2.452013381913751E-12 5.632140893236433E-8 -4.277843709676563E-12 1.206960004352742E-8 -7.70954901324875E-13
node 2.746705637534197E-15 -9.898508313260892E-15 -4.277843709676563E-12 1.498968826325357E-8 -1.498420731356127E-8 -3.250170684458104E-11
peri 1.519715645857019E-13 -4.392696284263195E-13 1.206960004352742E-8 -1.498420731356127E-8 1.757168657581533E-8 3.232841238228173E-11
i 5.44746569877609E-17 -1.201928673699707E-16 -7.70954901324875E-13 -3.250170684458104E-11 3.232841238228173E-11 1.599434377715413E-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. 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1907-Jan-11 15:06 00:03 Europ 0.0445046865688126 0.0445039438429845 0.0445054299140229 2.95623909592295 2.95623901513876 2417587.129177724 2.88020483468808 369.233058612405 25.9940288571702 -85.9036096276445 255164.741902035 T 38 CATAB v2.0f-lin.ifort 2020-Dec-18 01:52:01 2020-Dec-18 01:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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