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262 Valda
Classification: Main-belt Asteroid          SPK-ID: 2000262
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142560017041365 3.7478e-08  
a 2.550875871452048 1.0346e-08 AU
q 2.004335406391177 9.5785e-08 AU
i 7.688242320315114 4.8879e-06 deg
node 38.49659978910893 4.6556e-05 deg
peri 25.44964795481429 4.9678e-05 deg
M 123.2755763636637 1.8252e-05 deg
tp 2456490.926357025067
(2013-Jul-17.42635703)
7.5045e-05 JED
period 1488.10102440574
4.07
9.0535e-06
2.479e-08
d
yr
n .2419190593217707 1.4718e-09 deg/d
Q 3.097416336512919 1.2563e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1327  
   data-arc span      45497 days (124.56 yr)  
   first obs. used      1890-10-23  
   last obs. used      2015-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:28:13  

Additional Information
 Earth MOID = 1.01987 AU 
 T_jup = 3.395 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.67 mag n/a PDS3 (MPC 17258)  
rotation period rot_per 17.386 h n/a LCDB (Rev. 2015-May); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2010) Minor Planet Bul. 37, 119-122.]
B-V BV .850 mag .029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=6.73 deg.
U-B UB .557 mag .050 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=6.73 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo

262 Valda          Discovered 1886-Nov-03 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 YR1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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