+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3162 Nostalgia (1980 YH) Classification: Main-belt Asteroid          SPK-ID: 2003162 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .155907571490829 2.4647e-08   a 3.155186509348321 1.7357e-08 au q 2.663269043075198 7.8242e-08 au i 17.91413624292185 9.0548e-07 deg node 128.6494667569334 3.0667e-06 deg peri 315.535985586755 5.7301e-06 deg M 71.25223498144418 6.6222e-06 deg tp 2458795.334953221702 (2019-Nov-07.83495322) 3.5485e-05 TDB period 2047.085496731053 5.60 1.6892e-05 4.625e-08 d yr n .1758597775104539 1.4512e-09 deg/d Q 3.647103975621443 2.0064e-08 au   Orbit Determination Parameters    # obs. used (total)      3106      data-arc span      14698 days (40.24 yr)      first obs. used      1980-12-16      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .36443      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 14:46:07   Additional Information  Earth MOID = 1.70888 au   Jupiter MOID = 1.61061 au   T_jup = 3.113  [ 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 11.51   n/a E2021B10   diameter diameter 28.690 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 6.412 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.] [Owings, L.E. (2010) Minor Planet Bull. 37, 138.] [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 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   3162 Nostalgia (1980 YH)          Discovered 1980-Dec-16 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 ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 04:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin