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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1240802329842152 3.692e-08  
a 3.096884286451539 1.9923e-08 au
q 2.712622162663477 1.1799e-07 au
i .7424979201972729 4.7589e-06 deg
node 160.8504074466249 0.00029872 deg
peri 140.1273734462067 0.00029929 deg
M 271.1084284372275 1.9178e-05 deg
tp 2459092.023151048892
(2020-Aug-30.52315105)		 0.00010752 TDB
period 1990.60868501628
5.45		 1.9209e-05
5.259e-08		 d
yr
n .1808492059287161 1.7452e-09 deg/d
Q 3.481146410239601 2.2395e-08 au
   Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1997-03-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:13:17  

Additional Information
 Earth MOID = 1.69639 au 
 Jupiter MOID = 1.72462 au 
 T_jup = 3.211 
[ 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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