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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .228471596995036 3.6468e-08  
a 2.644391640265997 8.2481e-09 au
q 2.040223259134102 9.8922e-08 au
i 12.08019785532422 3.6791e-06 deg
node 127.5330024444635 1.8483e-05 deg
peri 200.6145773848161 2.0229e-05 deg
M 294.7211677549867 1.0629e-05 deg
tp 2459285.311136156234
(2021-Mar-11.81113616)
4.7087e-05 TDB
period 1570.677744837824
4.30
7.3486e-06
2.012e-08
d
yr
n .2292004207630577 1.0723e-09 deg/d
Q 3.248560021397892 1.0133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2827  
   data-arc span      41447 days (113.48 yr)  
   first obs. used      1907-02-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:19:12  

Additional Information
 Earth MOID = 1.03264 au 
 Jupiter MOID = 2.10825 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456504.5 (2013-Jul-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247413144829982 3.611e-08  
q 2.053074406712015 9.7361e-08 au
tp 2456139.376476723622
(2012-Jul-30.87647672)
4.2238e-05 TDB
node 127.5822878737992 1.8509e-05 deg
peri 200.2607369465975 2.0346e-05 deg
i 12.06018753589435 3.6734e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2827  
   data-arc span      41447 days (113.48 yr)  
   first obs. used      1907-02-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:19:12  

Additional Information
 Jupiter MOID = 2.10825 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.303902638676975E-15 -3.508805689640488E-15 -2.734206713643122E-13 3.682215169140306E-15 -2.660199561786138E-14 -3.533278036401893E-16
q -3.508805689640488E-15 9.479190731541876E-15 7.916610232367928E-13 -8.705240952948969E-15 8.399094784820628E-14 1.108188640954821E-15
tp -2.734206713643122E-13 7.916610232367928E-13 1.784045327189441E-9 4.14984050459009E-12 3.739853262109758E-10 5.160953759959007E-12
node 3.682215169140306E-15 -8.705240952948969E-15 4.14984050459009E-12 3.425789752528317E-10 -3.339557686619391E-10 1.820065674437145E-12
peri -2.660199561786138E-14 8.399094784820628E-14 3.739853262109758E-10 -3.339557686619391E-10 4.139710397218436E-10 -7.411917758419806E-13
i -3.533278036401893E-16 1.108188640954821E-15 5.160953759959007E-12 1.820065674437145E-12 -7.411917758419806E-13 1.349388890301202E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.9   n/a MPO435700  
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. 2019-August); Warner et al., 2009 Published Reference List:
[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.]
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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