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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2140205869856129 3.7423e-08  
a 2.551307562612278 1.0193e-08 au
q 2.005275220481165 9.5586e-08 au
i 7.687194111493868 4.8376e-06 deg
node 38.49283269386155 4.4679e-05 deg
peri 25.42786986332671 4.7685e-05 deg
M 220.0729382581965 1.8001e-05 deg
tp 2457979.051288813475
(2017-Aug-13.55128881)
7.5268e-05 JED
period 1488.47879302412
4.08
8.9205e-06
2.442e-08
d
yr
n .2418576614508518 1.4495e-09 deg/d
Q 3.097339904743391 1.2375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1358  
   data-arc span      45585 days (124.80 yr)  
   first obs. used      1890-10-23  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50919  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 13:55:06  

Additional Information
 Earth MOID = 1.02025 au 
 Jupiter MOID = 2.26657 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-December); 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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