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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180757065882519 2.6392e-08  
a 3.096983733018314 1.0193e-08 au
q 2.731305190449854 8.5036e-08 au
i 1.923102017178322 3.0203e-06 deg
node 47.63630824127723 8.7748e-05 deg
peri 64.37737512160952 8.8811e-05 deg
M 199.975086065403 1.5114e-05 deg
tp 2459885.395353616002
(2022-Nov-01.89535362)
8.4885e-05 TDB
period 1990.704568864563
5.45
9.8278e-06
2.691e-08
d
yr
n .180840495184744 8.9278e-10 deg/d
Q 3.462662275586773 1.1396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3356  
   data-arc span      49333 days (135.07 yr)  
   first obs. used      1885-10-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:03  

Additional Information
 Earth MOID = 1.74861 au 
 Jupiter MOID = 1.63806 au 
 T_jup = 3.211 
[ 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 9.8   n/a MPO492751 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. 2019-August); 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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