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625 Xenia (A907 CG)
Classification: Main-belt Asteroid          SPK-ID: 2000625
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2286031200562293 2.3841e-08  
a 2.645492439775002 7.4864e-09 au
q 2.04072461395727 6.5729e-08 au
i 12.08095315696276 3.8583e-07 deg
node 127.5298493716194 1.8925e-06 deg
peri 200.5162229983479 2.4963e-06 deg
M 340.6351496791467 4.3669e-06 deg
tp 2459285.041482202858
(2021-Mar-11.54148220)
1.9286e-05 TDB
period 1571.658602506971
4.30
6.6713e-06
1.827e-08
d
yr
n .2290573788898936 9.723e-10 deg/d
Q 3.250260265592734 9.1978e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2984  
   data-arc span      41522 days (113.68 yr)  
   first obs. used      1907-02-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:41:07  

Additional Information
 Earth MOID = 1.03113 au 
 Jupiter MOID = 2.10629 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456671.5 (2014-Jan-14.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2250692552160947 2.3712e-08  
q 2.053245957716705 6.5106e-08 au
tp 2456140.048141049632
(2012-Jul-31.54814105)
1.5605e-05 TDB
node 127.5563273172414 1.8928e-06 deg
peri 200.4451298600177 2.5245e-06 deg
i 12.06838416837482 3.8438e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2984  
   data-arc span      41522 days (113.68 yr)  
   first obs. used      1907-02-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:41:07  

Additional Information
 Jupiter MOID = 2.10629 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.622458685526106E-16 -1.538558988989075E-15 -2.416447452312768E-13 1.52510539731549E-15 -2.143453229158524E-14 4.637420778883533E-16
q -1.538558988989075E-15 4.238770419209011E-15 6.273931506675425E-13 -3.870248317902588E-15 5.618420082078058E-14 -1.193476689361734E-15
tp -2.416447452312768E-13 6.273931506675425E-13 2.435187497360282E-10 4.661999717387559E-12 2.627853643071064E-11 4.958460736954959E-13
node 1.52510539731549E-15 -3.870248317902588E-15 4.661999717387559E-12 3.582736856569556E-12 -2.397211568212404E-12 4.624042828076886E-13
peri -2.143453229158524E-14 5.618420082078058E-14 2.627853643071064E-11 -2.397211568212404E-12 6.37292938581492E-12 -3.530126441937174E-13
i 4.637420778883533E-16 -1.193476689361734E-15 4.958460736954959E-13 4.624042828076886E-13 -3.530126441937174E-13 1.47746431251185E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.04   n/a E2021B10  
diameter diameter 28.287 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 21.017 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Worman, W.E.; Creason, M.A. (2003) Minor Planet Bull. 30, 32.]
[Garcer]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.221   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Sa   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

625 Xenia (A907 CG)          Discovered 1907-Feb-11 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A907 CG = 1959 GV = 1973 PA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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