+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   422 Berolina (A896 TA) Classification: Main-belt Asteroid          SPK-ID: 2000422 [ 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 50 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2141455806841071 4.0014e-08   a 2.228707236767937 4.2799e-09 au q 1.751439431375395 8.8756e-08 au i 4.994919981239947 4.055e-06 deg node 9.037294706131288 3.6793e-05 deg peri 335.3825998611401 3.7464e-05 deg M 143.5292386392772 7.7721e-06 deg tp 2458715.975388390047 (2019-Aug-20.47538839) 2.5749e-05 TDB period 1215.284508113111 3.33 3.5007e-06 9.584e-09 d yr n .2962269308928717 8.5329e-10 deg/d Q 2.705975042160478 5.1964e-09 au   Orbit Determination Parameters    # obs. used (total)      3047      data-arc span      41741 days (114.28 yr)      first obs. used      1906-10-11      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41474      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:46:27   Additional Information  Earth MOID = .743923 au   Jupiter MOID = 2.70785 au   T_jup = 3.608  [ 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 10.69   n/a E2021B10   diameter diameter 10.714 km 0.922 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 25.978 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pilcher, F. (2017) Minor Planet Bull. 44, 112-114.] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.] geometric albedo albedo 0.716   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.715   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.77, mean=3.83, max.=3.89) deg. U-B UB 0.292   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.77, mean=3.83, max.=3.89) deg. Tholen spectral type spec_T DX   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 422 Berolina (A896 TA)          Discovered 1896-Oct-08 by Witt, G. at Berlin Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  A896 TA = 1948 GB = 1949 QM2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 09:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin