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58542 (1997 EQ22)
Classification: Main-belt Asteroid          SPK-ID: 2058542
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246551264004314 3.6523e-08  
a 3.10095002191399 1.9172e-08 au
q 2.714400704970881 1.1719e-07 au
i .7425853622520907 4.6716e-06 deg
node 160.791444447337 0.00029577 deg
peri 139.6345220304046 0.00029631 deg
M 343.9117489852167 1.8558e-05 deg
tp 2459089.634721095339
(2020-Aug-28.13472110)
0.00010305 TDB
period 1994.530018510793
5.46
1.8497e-05
5.064e-08
d
yr
n .1804936484579923 1.6739e-09 deg/d
Q 3.487499338857099 2.1562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      8573 days (23.47 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:43  

Additional Information
 Earth MOID = 1.69887 au 
 Jupiter MOID = 1.71793 au 
 T_jup = 3.210 
[ 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 14.5   n/a MPO275889  
diameter diameter 7.098 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58542 (1997 EQ22)          Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EQ22 = 1999 VB126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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