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294 Felicia (A890 NA)
Classification: Main-belt Asteroid          SPK-ID: 2000294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332358991701277 1.688e-08  
a 3.156251839859828 1.1139e-08 au
q 2.420100603982751 5.2216e-08 au
i 6.26497223870359 1.1813e-06 deg
node 135.7089286511516 4.2258e-06 deg
peri 186.1113545830422 4.7568e-06 deg
M 135.3228838194925 7.1239e-06 deg
tp 2458430.617153524731
(2018-Nov-08.11715352)
3.8059e-05 TDB
period 2048.122364143513
5.61
1.0842e-05
2.968e-08
d
yr
n .1757707480287905 9.3048e-10 deg/d
Q 3.892403075736905 1.3737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3908  
   data-arc span      41941 days (114.83 yr)  
   first obs. used      1906-05-23  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:11:37  

Additional Information
 Earth MOID = 1.40565 au 
 Jupiter MOID = 1.44882 au 
 T_jup = 3.154 
[ 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 10.23   n/a E2021B10  
diameter diameter 51.865 km 0.514 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.4227 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Oey, J. (2008) Minor Planet Bull. 35, 132-135.]
[Pilcher, F. (2008) Minor Planet Bull. 35, 24-25.]
geometric albedo albedo 0.095   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

294 Felicia (A890 NA)          Discovered 1890-Jul-15 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A890 NA = 1926 AG = 1929 NE = 1951 PA = 1973 KD = A913 VA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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