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4346 Whitney (1988 DS4)
Classification: Main-belt Asteroid          SPK-ID: 2004346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09154097574248078 3.2591e-08  
a 3.01621089141525 1.5805e-08 au
q 2.74010400337 1.0466e-07 au
i 10.23269080671579 4.0949e-06 deg
node 224.5504073268272 1.9815e-05 deg
peri 75.11395260276043 3.054e-05 deg
M 313.6480892759407 2.4028e-05 deg
tp 2459446.852017478868
(2021-Aug-20.35201748)
0.00012813 TDB
period 1913.334853019532
5.24
1.5039e-05
4.117e-08
d
yr
n .1881531606617971 1.4789e-09 deg/d
Q 3.292317779460499 1.7252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2502  
   data-arc span      23951 days (65.57 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:14:12  

Additional Information
 Earth MOID = 1.74557 au 
 Jupiter MOID = 1.89315 au 
 T_jup = 3.217 
[ 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 12.64   n/a E2020-QM5  
diameter diameter 11.151 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4346 Whitney (1988 DS4)          Discovered 1988-Feb-23 by Noymer, A. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 DS4 = 1975 VW7 = 1985 TG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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