+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22634 (1998 MN7) Classification: Main-belt Asteroid          SPK-ID: 2022634 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2114895478767726 4.6802e-08   a 3.157642262747777 2.3858e-08 au q 2.48983392824266 1.5834e-07 au i .643181302995161 4.1928e-06 deg node 26.03024493420571 0.00040456 deg peri 334.5424897839923 0.00040468 deg M 314.18068893162 1.3205e-05 deg tp 2459461.348816270460 (2021-Sep-03.84881627) 7.7261e-05 TDB period 2049.475901486659 5.61 2.3228e-05 6.359e-08 d yr n .1756546635844127 1.9908e-09 deg/d Q 3.825450597252894 2.8904e-08 au   Orbit Determination Parameters    # obs. used (total)      981      data-arc span      9831 days (26.92 yr)      first obs. used      1993-09-16      last obs. used      2020-08-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50172      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:08:30   Additional Information  Earth MOID = 1.48517 au   Jupiter MOID = 1.6313 au   T_jup = 3.171  [ 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 14.37   n/a E2021B10   diameter diameter 6.492 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.088   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   22634 (1998 MN7)          Discovered 1998-Jun-22 by Zoltowski, F. B. at Woomera Reference: 20010309/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 MN7 = 1993 SO11 = 1999 UM6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 05:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin