+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   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 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.arc Last 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 ] 2021-Jan-22 17:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin