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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738104444402924 3.4379e-08  
a 2.30379381670219 6.8773e-09 au
q 1.903370389522385 7.9864e-08 au
i 5.697929424590334 4.7969e-06 deg
node 194.262450947006 3.0304e-05 deg
peri 130.1054548947473 3.2986e-05 deg
M 314.8820267838796 1.3753e-05 deg
tp 2459160.570359626995
(2020-Nov-07.07035963)
4.8944e-05 TDB
period 1277.214496974101
3.50
5.7191e-06
1.566e-08
d
yr
n .2818633838348141 1.2621e-09 deg/d
Q 2.704217243881995 8.0727e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2062  
   data-arc span      21439 days (58.70 yr)  
   first obs. used      1961-10-07  
   last obs. used      2020-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:08:04  

Additional Information
 Earth MOID = .897704 au 
 Jupiter MOID = 2.63919 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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