+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1515 Perrotin (1936 VG) Classification: Main-belt Asteroid          SPK-ID: 2001515 [ 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 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .236195920664466 1.6892e-08   a 2.570142607545988 6.9967e-09 au q 1.963085408117692 4.4889e-08 au i 10.68030693230818 1.3614e-06 deg node 49.18078454126187 5.5894e-06 deg peri 350.6110088499756 7.1181e-06 deg M 154.7215041257043 6.0845e-06 deg tp 2458553.681494029610 (2019-Mar-11.18149403) 2.3888e-05 TDB period 1504.992234047546 4.12 6.1455e-06 1.683e-08 d yr n .2392038921236233 9.7677e-10 deg/d Q 3.177199806974284 8.6493e-09 au   Orbit Determination Parameters    # obs. used (total)      3003      data-arc span      41407 days (113.37 yr)      first obs. used      1907-11-02      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41682      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 12:33:48   Additional Information  Earth MOID = .971334 au   Jupiter MOID = 2.2452 au   T_jup = 3.367  [ 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 12.98   n/a E2021B10   diameter diameter 6.505 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 13.965 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.] [McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.240   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1515 Perrotin (1936 VG)          Discovered 1936-Nov-15 by Patry, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1936 VG = A907 VE  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 08:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin