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JPL Small-Body Database Browser
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229 Adelinda
Classification: Outer Main-belt Asteroid          SPK-ID: 2000229
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 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1391253164867769 3.7682e-08  
a 3.425503621334085 1.6177e-08 au
q 2.94892934588938 1.2976e-07 au
i 2.0765682141557 4.1572e-06 deg
node 28.01306819131928 0.00010591 deg
peri 310.3199097794276 0.00010674 deg
M 297.1782323852213 1.4815e-05 deg
tp 2459404.603604764417
(2021-Jul-09.10360476)
9.6461e-05 TDB
period 2315.714810943446
6.34
1.6404e-05
4.491e-08
d
yr
n .1554595575840068 1.1012e-09 deg/d
Q 3.90207789677879 1.8428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3000  
   data-arc span      49319 days (135.03 yr)  
   first obs. used      1885-01-19  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:21:35  

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. 2019-August); 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          Discovered 1882-Aug-22 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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