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213030 (1997 GN7)
Classification: Main-belt Asteroid          SPK-ID: 2213030
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09785774143960246 5.0679e-08  
a 2.659828209806486 2.1278e-08 au
q 2.399543428577482 1.3548e-07 au
i 12.743845893981 5.7693e-06 deg
node 46.2999583584127 2.1408e-05 deg
peri 178.9010239369532 3.8266e-05 deg
M 154.5235251865274 3.6249e-05 deg
tp 2458520.402912435257
(2019-Feb-05.90291244)
0.00015418 TDB
period 1584.45098393765
4.34
1.9013e-05
5.205e-08
d
yr
n .2272080383991017 2.7264e-09 deg/d
Q 2.92011299103549 2.336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59998  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:03  

Additional Information
 Earth MOID = 1.38905 au 
 Jupiter MOID = 2.05724 au 
 T_jup = 3.344 
[ 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 15.75   n/a MPCxxxxx  
diameter diameter 2.141 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.212   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213030 (1997 GN7)          Discovered 1997-Apr-02 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 1997 GN7 = 2001 FB143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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