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229 Adelinda (A882 QB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000229
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391253149035048 3.5114e-08  
a 3.425503620684032 1.5272e-08 au
q 2.948929350753271 1.2269e-07 au
i 2.076566154736814 3.9397e-06 deg
node 28.01310240243308 0.00010309 deg
peri 310.3198752262697 0.00010393 deg
M 297.1782330357398 1.414e-05 deg
tp 2459404.603600464901
(2021-Jul-09.10360046)		 9.1876e-05 TDB
period 2315.71481028427
6.34		 1.5486e-05
4.24e-08		 d
yr
n .1554595576282588 1.0396e-09 deg/d
Q 3.902077890614794 1.7397e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3277  
   data-arc span      49585 days (135.76 yr)  
   first obs. used      1885-01-19  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:31:56  

Additional Information
 Earth MOID = 1.94051 au 
 Jupiter MOID = 1.48494 au 
 T_jup = 3.125 
[ 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 9.2   n/a MPO473763 IRAS observations used: 3
diameter diameter 105.912 km 1.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.60 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Lagerkvist, C.-I.; Erikson, A.; Lahulla, F.; Di Martino, M.; et al. (2001) Icarus 149, 190-197.]
geometric albedo albedo 0.035   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.708   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.23 deg.
U-B UB 0.253   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=10.23 deg.
Tholen spectral type spec_T BCU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

229 Adelinda (A882 QB)          Discovered 1882-Aug-22 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A882 QB = 1946 UK = 1981 GU1 = A908 UG 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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