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213004 (1992 SJ7)
Classification: Main-belt Asteroid          SPK-ID: 2213004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898471189441348 6.3783e-08  
a 2.335333424038996 1.1415e-08 au
q 1.891977101711251 1.5371e-07 au
i 4.248547285869799 5.3074e-06 deg
node 154.7850623337548 6.7768e-05 deg
peri 206.5216999336421 6.8677e-05 deg
M 321.9249775540607 1.1504e-05 deg
tp 2459338.366717923590
(2021-May-03.86671792)
4.203e-05 TDB
period 1303.532217819758
3.57
9.5571e-06
2.617e-08
d
yr
n .2761726906927726 2.0248e-09 deg/d
Q 2.778689746366741 1.3582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      10180 days (27.87 yr)  
   first obs. used      1992-09-03  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:40:58  

Additional Information
 Earth MOID = .888255 au 
 Jupiter MOID = 2.67458 au 
 T_jup = 3.540 
[ 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 17.03   n/a E2021B55  
diameter diameter 2.234 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213004 (1992 SJ7)          Discovered 1992-Sep-26 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 1992 SJ7 = 2003 UK265 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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