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3321 Dasha (1975 TZ2)
Classification: Main-belt Asteroid          SPK-ID: 2003321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980277533945997 3.9745e-08  
a 2.546354247627491 9.2314e-09 au
q 2.042105436623023 1.0147e-07 au
i 7.321814605006264 4.6574e-06 deg
node 162.5149339637569 3.6274e-05 deg
peri 202.3676727639299 3.8916e-05 deg
M 5.071763132550209 1.7448e-05 deg
tp 2458979.591006766624
(2020-May-10.09100677)
7.1888e-05 TDB
period 1484.146117886714
4.06
8.0708e-06
2.21e-08
d
yr
n .242563717723836 1.3191e-09 deg/d
Q 3.05060305863196 1.106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1887  
   data-arc span      24188 days (66.22 yr)  
   first obs. used      1954-07-02  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:44:56  

Additional Information
 Earth MOID = 1.04182 au 
 Jupiter MOID = 2.40849 au 
 T_jup = 3.404 
[ 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 12.7   n/a MPO302082  
diameter diameter 7.958 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3321 Dasha (1975 TZ2)          Discovered 1975-Oct-03 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 TZ2 = 1951 YC2 = 1983 RZ = 1983 SH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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