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223 Rosa (A882 EA)
Classification: Main-belt Asteroid          SPK-ID: 2000223
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 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191426666930222 2.6405e-08  
a 3.092985868680518 9.8473e-09 au
q 2.724479284242087 8.5134e-08 au
i 1.923215194805796 2.9894e-06 deg
node 47.55952534786271 8.7735e-05 deg
peri 64.90326875726943 8.8758e-05 deg
M 235.7036715376653 1.4999e-05 deg
tp 2459886.495284151063
(2022-Nov-02.99528415)
8.3896e-05 TDB
period 1986.851143147145
5.44
9.4884e-06
2.598e-08
d
yr
n .181191228765012 8.653e-10 deg/d
Q 3.461492453118948 1.102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3483  
   data-arc span      49409 days (135.27 yr)  
   first obs. used      1885-10-04  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4359  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:30:52  

Additional Information
 Earth MOID = 1.74165 au 
 Jupiter MOID = 1.63769 au 
 T_jup = 3.212 
[ 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 9.91   n/a E2021B10 IRAS observations used: 17
diameter diameter 79.806 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 20.283 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2012) Minor Planet Bull. 39, 171-173.]
geometric albedo albedo 0.020   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.706   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.93 deg.
U-B UB 0.285   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.93 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

223 Rosa (A882 EA)          Discovered 1882-Mar-09 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A882 EA = 1942 EL = A887 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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