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JPL Small-Body Database Browser
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262 Valda
Classification: Main-belt Asteroid          SPK-ID: 2000262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115845882458113 3.7037e-08  
a 2.555003233415962 8.8765e-09 au
q 2.014403926306929 9.2258e-08 au
i 7.668219195412955 4.0511e-06 deg
node 38.36655703588134 3.2926e-05 deg
peri 25.74769548932832 3.4723e-05 deg
M 246.4988460156808 1.308e-05 deg
tp 2459470.809102528965
(2021-Sep-13.30910253)
5.5013e-05 TDB
period 1491.71414533652
4.08
7.7737e-06
2.128e-08
d
yr
n .2413331006650651 1.2576e-09 deg/d
Q 3.095602540524995 1.0755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2364  
   data-arc span      47044 days (128.80 yr)  
   first obs. used      1890-10-23  
   last obs. used      2019-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42183  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:06:56  

Additional Information
 Earth MOID = 1.03041 au 
 Jupiter MOID = 2.26211 au 
 T_jup = 3.394 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.3   n/a MPO492751  
diameter diameter 14.645 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 17.386 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2010) Minor Planet Bull. 37, 119-122.]
geometric albedo albedo 0.211   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.850   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.73 deg.
U-B UB 0.557   0.050 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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