+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2602 Moore (1982 BR) Classification: Main-belt Asteroid          SPK-ID: 2002602 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1079897018868348 1.0807e-08   a 2.383708236918082 6.4442e-09 au q 2.126292295028105 2.4673e-08 au i 5.546239456665445 5.129e-07 deg node 158.2151787937955 5.4001e-06 deg peri 65.20192369896641 9.1463e-06 deg M 121.8523530196326 7.2784e-06 deg tp 2458745.501995571487 (2019-Sep-19.00199557) 2.6714e-05 TDB period 1344.243894640866 3.68 5.4511e-06 1.492e-08 d yr n .267808543847751 1.086e-09 deg/d Q 2.641124178808058 7.1401e-09 au   Orbit Determination Parameters    # obs. used (total)      3299      data-arc span      25752 days (70.51 yr)      first obs. used      1950-08-06      last obs. used      2021-02-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .42936      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 14:00:06   Additional Information  Earth MOID = 1.12394 au   Jupiter MOID = 2.33907 au   T_jup = 3.522  [ 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 12.80   n/a E2021B10   rotation period rot_per 3.46723 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 412-418.] [Carreño, A.; Fornas, G.; Arce, E.; Mas, V. (2020) Minor Planet Bull. 47, 7-10.] [Casalnuovo, G.B.; Chinaglia, B. (2020) Minor Planet Bull. 47, 11.] 2602 Moore (1982 BR)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM) Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1982 BR = 1931 JJ = 1942 HD = 1950 PE = 1969 TZ1 = 1971 BA3 = 1971 DD = 1975 FD = 1975 GM = 1976 SX6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 03:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin