+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100320 (1995 MF5) Classification: Main-belt Asteroid          SPK-ID: 2100320 [ 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 .153122708045414 4.9249e-08   a 3.082174408541497 2.3973e-08 au q 2.610223516437351 1.5442e-07 au i 6.657549474207792 5.7936e-06 deg node 192.7314399206349 4.5514e-05 deg peri 33.62254387166879 4.9608e-05 deg M 319.4923644892268 1.8217e-05 deg tp 2459422.891730818531 (2021-Jul-27.39173082) 0.00010047 TDB period 1976.442764065513 5.41 2.3059e-05 6.313e-08 d yr n .1821454213323564 2.1251e-09 deg/d Q 3.554125300645643 2.7644e-08 au   Orbit Determination Parameters    # obs. used (total)      278      data-arc span      9398 days (25.73 yr)      first obs. used      1995-06-22      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60787      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:31:38   Additional Information  Earth MOID = 1.60326 au   Jupiter MOID = 1.43188 au   T_jup = 3.199  [ 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 16.12   n/a E2021B55   diameter diameter 3.035 km 0.725 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.063   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100320 (1995 MF5)          Discovered 1995-Jun-22 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 MF5 = 2005 HX1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 06:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin