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7223 Dolgorukij (1982 TF2)
Classification: Main-belt Asteroid          SPK-ID: 2007223
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753009865802121 2.8182e-08  
a 2.350748127045577 6.6965e-09 au
q 1.938659661172902 6.5891e-08 au
i 1.556987199014803 3.1927e-06 deg
node 290.7960501320845 0.00010701 deg
peri 60.03917255472859 0.00010734 deg
M 189.5325237755439 8.5708e-06 deg
tp 2459623.871016092030
(2022-Feb-13.37101609)
3.2326e-05 TDB
period 1316.459718671751
3.60
5.6253e-06
1.54e-08
d
yr
n .2734607028942929 1.1685e-09 deg/d
Q 2.762836592918253 7.8704e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2555  
   data-arc span      25343 days (69.39 yr)  
   first obs. used      1950-12-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45641  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:43:45  

Additional Information
 Earth MOID = .933301 au 
 Jupiter MOID = 2.66439 au 
 T_jup = 3.536 
[ 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 13.7   n/a MPO302109  
diameter diameter 4.048 km 0.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.391   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7223 Dolgorukij (1982 TF2)          Discovered 1982-Oct-14 by Zhuravleva, L. V., Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 TF2 = 1978 NW7 = 1978 PG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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