+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19695 Billnye (1999 RP234) Classification: Main-belt Asteroid          SPK-ID: 2019695 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1049947219398312 1.0771e-08   a 2.271927022393112 6.6333e-09 au q 2.033386676409358 2.4195e-08 au i 6.761933472811652 6.3076e-07 deg node 88.76920565235204 4.4628e-06 deg peri 123.2246816227802 9.9325e-06 deg M 210.1720938124171 8.5258e-06 deg tp 2459721.071277351817 (2022-May-21.57127735) 3.0682e-05 TDB period 1250.806105586393 3.42 5.478e-06 1.5e-08 d yr n .2878143929679874 1.2605e-09 deg/d Q 2.510467368376866 7.3298e-09 au   Orbit Determination Parameters    # obs. used (total)      2082      data-arc span      11966 days (32.76 yr)      first obs. used      1988-06-08      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49443      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:03:00   Additional Information  Earth MOID = 1.03436 au   Jupiter MOID = 2.46808 au   T_jup = 3.595  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.1   n/a MPO435882   rotation period rot_per 4.8676 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm] 19695 Billnye           Discovered 1999 Sept. 8 by the Catalina Sky Survey. Bill Nye "The Science Guy"' (b. 1955) is one of the world's pre-eminent science educators. His pedagogical vision, combined with his affability and humor across radio, television, lectures, books and the internet, has inspired millions of people to change the world by embracing the passion, beauty and joy of science. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2016-08-18 Last Updated: 2016-11-23 Alternate Designations  1999 RP234 = 1988 LV  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 12:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin