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276 Adelheid (A888 HA)
Classification: Main-belt Asteroid          SPK-ID: 2000276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06642283175584973 1.2774e-08  
a 3.117469034250119 1.1048e-08 au
q 2.910397913084052 4.0028e-08 au
i 21.60952528164903 4.727e-07 deg
node 211.1348646088206 1.424e-06 deg
peri 265.1699780035482 1.4604e-05 deg
M 166.6851615947156 1.611e-05 deg
tp 2458465.614878363163
(2018-Dec-13.11487836)
8.7618e-05 TDB
period 2010.488759665848
5.50
1.0687e-05
2.926e-08
d
yr
n .1790609364360901 9.5185e-10 deg/d
Q 3.324540155416186 1.1782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3415  
   data-arc span      44646 days (122.23 yr)  
   first obs. used      1899-05-14  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41853  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:26:05  

Additional Information
 Earth MOID = 2.0186 au 
 Jupiter MOID = 1.86378 au 
 T_jup = 3.105 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456366.5 (2013-Mar-15.0) TDB
Reference: JPL 60 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0696249008064464 1.2776e-08  
q 2.901426065273847 4.0096e-08 au
tp 2456456.106439295368
(2013-Jun-12.60643930)
8.0142e-05 TDB
node 211.2186621232709 1.4186e-06 deg
peri 265.0550928453689 1.405e-05 deg
i 21.61625206464344 4.7316e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3415  
   data-arc span      44646 days (122.23 yr)  
   first obs. used      1899-05-14  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41853  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:26:05  

Additional Information
 Jupiter MOID = 1.86378 au 
 T_jup = 3.105 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.632211646039775E-16 -4.944815356957737E-16 3.798286365750063E-13 3.766518217865984E-15 5.161709753535919E-14 8.825341053535452E-16
q -4.944815356957737E-16 1.607651629203188E-15 -8.739451969949401E-13 -1.391387116130518E-14 -1.020302406458094E-13 -3.177601192423822E-15
tp 3.798286365750063E-13 -8.739451969949401E-13 6.422788265565293E-9 -7.72463297829687E-11 1.120435842025235E-9 -1.834608155996451E-11
node 3.766518217865984E-15 -1.391387116130518E-14 -7.72463297829687E-11 2.012508891334982E-12 -1.44506925310934E-11 3.206849710851894E-13
peri 5.161709753535919E-14 -1.020302406458094E-13 1.120435842025235E-9 -1.44506925310934E-11 1.973941618921736E-10 -3.360233020140042E-12
i 8.825341053535452E-16 -3.177601192423822E-15 -1.834608155996451E-11 3.206849710851894E-13 -3.360233020140042E-12 2.238800064022212E-13

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 8.67   n/a MPO636064  
diameter diameter 114.723 km 3.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.315 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Dotto, E.; Rotundi, A.; De Sanctis, M.C. (1992) in Physical Properties of Small Solar System Bodies. A. Brahic, J.-C. Gerard, J. Surdej, eds. Universite de Liege, Institut d'Astrophysique, Liege, p. 211.]
[Piironen, J.; Bowell, E.; Erikson, A.; Magnusson, P. (1994) Astron. Astrophys. Suppl. Ser. 106, 587-595.]
[Di Martino, M.; Dotto, E.; Celino, A.; Barucci, M.A.; Fulchignoni, M. (1995) Astron. Astrophys. Suppl. Ser. 112, 1-7.]
[Wang, X.-B.; Shi, Y. (2002) Earth, Moon, and Planets 91, 181-186; Wang, X.-B. (2002) Proc. ACM 2002, ESA SP 500, 501-503.]
[Pray, D. (2005) Minor Planet Bull. 32, 8-9.]
[Sada, P.V. (2006) Minor Planet Bull. 33, 78-79.]
[Marciniak, A.; Michalowski, T.; Kaasalainen, M.; Durech, J.; et al. (2007) Astron. Astrophys. 473, 633-639.]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.]
[Alton, K.B. (2019) Minor Planet Bull. 46, 114-117.]
geometric albedo albedo 0.051   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.708   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=3.50, mean=11.64, max.=17.42) deg.
U-B UB 0.271   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=3.50, mean=10.48, max.=17.33) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

276 Adelheid (A888 HA)          Discovered 1888-Apr-17 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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