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4328 Valina (1982 SQ2)
Classification: Main-belt Asteroid          SPK-ID: 2004328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736494428775354 3.9834e-08  
a 2.303104599750091 7.5913e-09 au
q 1.903171769114798 9.1238e-08 au
i 5.698628254292607 5.1418e-06 deg
node 194.2722270606724 3.0892e-05 deg
peri 130.2084308061648 3.4137e-05 deg
M 201.9685000855558 1.602e-05 deg
tp 2459160.915427411708
(2020-Nov-07.41542741)
5.7724e-05 TDB
period 1276.641390972299
3.50
6.3119e-06
1.728e-08
d
yr
n .2819899170947462 1.3942e-09 deg/d
Q 2.703037430385384 8.9095e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1925  
   data-arc span      21032 days (57.58 yr)  
   first obs. used      1961-10-07  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46833  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:22:47  

Additional Information
 Earth MOID = .896623 au 
 Jupiter MOID = 2.63828 au 
 T_jup = 3.563 
[ 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 14.1   n/a MPO384792  
diameter diameter 3.505 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.396   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4328 Valina (1982 SQ2)          Discovered 1982-Sep-18 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 SQ2 = 1961 TL = 1975 SZ = 1978 NZ3 = 1982 UG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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