Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386907868600099 1.0587e-08  
a 3.428283948828673 1.4812e-08 au
q 2.952812550386083 3.4442e-08 au
i 2.076483475016558 7.2772e-07 deg
node 27.84329851565963 2.0931e-05 deg
peri 309.5469444617901 2.2421e-05 deg
M 359.4281550852145 7.2342e-06 deg
tp 2459400.182895257133
(2021-Jul-04.68289526)
4.6595e-05 TDB
period 2318.534725564614
6.35
1.5026e-05
4.114e-08
d
yr
n .1552704801142593 1.0063e-09 deg/d
Q 3.903755347271264 1.6866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3404  
   data-arc span      49831 days (136.43 yr)  
   first obs. used      1885-01-19  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:43:42  

Additional Information
 Earth MOID = 1.9434 au 
 Jupiter MOID = 1.47957 au 
 T_jup = 3.124 
[ 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 9.21   n/a MPCxxxxx 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-29 18:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin