+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1141 Bohmia (1930 AA) Classification: Main-belt Asteroid          SPK-ID: 2001141 [ 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 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1655135279100229 3.0891e-08   a 2.270695219255997 6.4246e-09 au q 1.894864442708514 7.0829e-08 au i 4.275438092794501 2.9502e-06 deg node 105.5217874246569 4.6962e-05 deg peri 275.914949367044 4.7922e-05 deg M 270.9641928701673 1.1469e-05 deg tp 2459509.599921323040 (2021-Oct-22.09992132) 4.0523e-05 TDB period 1249.788992354848 3.42 5.3042e-06 1.452e-08 d yr n .2880486243695339 1.2225e-09 deg/d Q 2.64652599580348 7.488e-09 au   Orbit Determination Parameters    # obs. used (total)      2486      data-arc span      33118 days (90.67 yr)      first obs. used      1930-01-04      last obs. used      2020-09-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45672      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:22:05   Additional Information  Earth MOID = .902179 au   Jupiter MOID = 2.81654 au   T_jup = 3.591  [ 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 13.45   n/a E2021B10   diameter diameter 5.642 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 2.8480 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm] geometric albedo albedo 0.251   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1141 Bohmia (1930 AA)          Discovered 1930-Jan-04 by Wolf, M. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1930 AA = 1949 SU  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-07 22:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin