+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1754 Cunningham (1935 FE) Classification: Outer Main-belt Asteroid          SPK-ID: 2001754 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1698711000392985 3.622e-08   a 3.942988847505131 2.9426e-08 au q 3.273188994536749 1.4031e-07 au i 12.1511723374169 4.4703e-06 deg node 162.8457873337174 2.0238e-05 deg peri 109.9183763177386 2.4503e-05 deg M 207.2901817343508 1.6056e-05 deg tp 2460213.612867917422 (2023-Sep-26.11286792) 0.00013517 TDB period 2859.807165054486 7.83 3.2013e-05 8.765e-08 d yr n .1258826134849345 1.4092e-09 deg/d Q 4.612788700473514 3.4424e-08 au   Orbit Determination Parameters    # obs. used (total)      2732      data-arc span      42350 days (115.95 yr)      first obs. used      1904-05-13      last obs. used      2020-04-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4469      source      ORB      producer      Otto Matic      solution date      2020-May-20 01:29:36   Additional Information  Earth MOID = 2.28522 au   Jupiter MOID = 1.01149 au   T_jup = 2.997  [ 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 9.7   n/a MPO502170 IRAS observations used: 23 diameter diameter 79.52 km 1.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23 rotation period rot_per 7.7416 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Stephens, R.D. (2015) Minor Planet Bull. 42, 279.] [Warner, B.D.; Stephens, R.D. (2018) Minor Planet Bull. 45, 35-39.] geometric albedo albedo 0.0345   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23 B-V BV 0.674   0.047 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=6.01, mean=6.13, max.=6.30) deg. U-B UB 0.256   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=6.01, mean=6.13, max.=6.30) deg. Tholen spectral type spec_T P   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 1754 Cunningham (1935 FE)          Discovered 1935-Mar-29 by Delporte, E. at Uccle Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1935 FE = 1938 RE = 1943 GH = 1951 FB = 1952 HO1 = 1952 KB1 = 1954 UD1 = 1962 TG = 1967 EE = 1968 KR = 1969 PJ = A904 JB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-23 20:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin