+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134085 (2004 XE102) Classification: Main-belt Asteroid          SPK-ID: 2134085 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1992650337572768 4.1628e-08   a 3.106935669459541 2.2742e-08 au q 2.487832028402998 1.3931e-07 au i 6.420302967398595 4.5968e-06 deg node 49.12519209626626 3.4222e-05 deg peri 53.35192319760659 3.6322e-05 deg M 326.581493481994 1.1259e-05 deg tp 2459386.186938112322 (2021-Jun-20.68693811) 6.3167e-05 TDB period 2000.307754160664 5.48 2.1963e-05 6.013e-08 d yr n .1799723063869526 1.976e-09 deg/d Q 3.726039310516084 2.7274e-08 au   Orbit Determination Parameters    # obs. used (total)      565      data-arc span      8118 days (22.23 yr)      first obs. used      1998-10-28      last obs. used      2021-01-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .45082      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:06:51   Additional Information  Earth MOID = 1.51097 au   Jupiter MOID = 1.49733 au   T_jup = 3.180  [ 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 15.2   n/a MPO417702   diameter diameter 2.680 km 0.573 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.246   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134085 (2004 XE102)          Discovered 2004-Dec-10 by Spacewatch at Kitt Peak Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ show close-approach data ] Alternate Designations  2004 XE102 = 2000 EJ82  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 00:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin