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2741 Valdivia (1975 XG)
Classification: Main-belt Asteroid          SPK-ID: 2002741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826218880641264 1.3952e-08  
a 2.609287613708419 9.6493e-09 au
q 2.132774583190649 3.6099e-08 au
i 10.29339901141152 1.9265e-06 deg
node 151.0867163548227 7.7311e-06 deg
peri 91.58667948791047 1.2207e-05 deg
M 62.86912955551288 7.1894e-06 deg
tp 2458931.646123640607
(2020-Mar-23.14612364)
3.0363e-05 TDB
period 1539.505893809445
4.21
8.5398e-06
2.338e-08
d
yr
n .2338412613083244 1.2971e-09 deg/d
Q 3.08580064422619 1.1412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3215  
   data-arc span      31338 days (85.80 yr)  
   first obs. used      1935-02-26  
   last obs. used      2020-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:11:22  

Additional Information
 Earth MOID = 1.14899 au 
 Jupiter MOID = 2.02467 au 
 T_jup = 3.364 
[ 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 12.03   n/a E2021B10  
diameter diameter 11.679 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.098 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pray, D.P. (2004) Minor Planet Bull. 31, 6-8.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Brines, P.; Lozano, J.; Rodrigo, O.; Fornas, A.; et al. (2017) Minor Planet Bull. 44, 145-149.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.205   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2741 Valdivia (1975 XG)          Discovered 1975-Dec-01 by Torres, C. at Cerro El Roble
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1975 XG = 1935 CM = 1952 DJ2 = 1953 QS = 1969 EB1 = 1969 FC = 1973 FX1 = 1979 UA1 = 1990 FO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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