+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2577 Litva (1975 EE3) Classification: Mars-crossing Asteroid          SPK-ID: 2002577 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1377918467188866 2.9497e-08   a 1.904464895795958 4.7867e-09 au q 1.642045160792941 5.5371e-08 au i 22.90573049854306 4.1057e-06 deg node 182.5866917898573 8.6108e-06 deg peri 283.9516947589782 1.9287e-05 deg M 131.6962418139035 1.9155e-05 deg tp 2458649.320815710211 (2019-Jun-14.82081571) 5.0535e-05 TDB period 959.9704942451671 2.63 3.6192e-06 9.909e-09 d yr n .3750115260397363 1.4138e-09 deg/d Q 2.166884630798975 5.4462e-09 au   Orbit Determination Parameters    # obs. used (total)      2479      data-arc span      31386 days (85.93 yr)      first obs. used      1934-11-03      last obs. used      2020-10-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .31968      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:08:01   Additional Information  Earth MOID = .759166 au   Jupiter MOID = 2.99636 au   T_jup = 3.836  [ hide covariance matrix ] Orbital Elements at Epoch 2457553.5 (2016-Jun-14.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1376382992614075 2.9497e-08   q 1.642298105030216 5.5365e-08 au tp 2457689.595172042463 (2016-Oct-28.09517204) 4.9287e-05 TDB node 182.6019860190281 8.6076e-06 deg peri 283.997671875172 1.9306e-05 deg i 22.90993949219109 4.1063e-06 deg   Orbit Determination Parameters    # obs. used (total)      2479      data-arc span      31386 days (85.93 yr)      first obs. used      1934-11-03      last obs. used      2020-10-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .31968      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:08:01   Additional Information  Jupiter MOID = 2.99636 au   T_jup = 3.836  Orbit Covariance (6×6)   e q tp node peri i e 8.700885025135031E-16 -1.628777657438793E-15 1.463083841468156E-13 -5.289564466360275E-15 3.212301339184578E-14 5.090953768087494E-15 q -1.628777657438793E-15 3.065268912618961E-15 -2.105539236181148E-13 9.726229019156233E-15 -3.949066289271597E-14 -9.853361713379587E-15 tp 1.463083841468156E-13 -2.105539236181148E-13 2.429167645068439E-9 -1.485637741377611E-11 8.593084954308886E-10 -1.28188877912426E-11 node -5.289564466360275E-15 9.726229019156233E-15 -1.485637741377611E-11 7.409102718746674E-11 -7.26374954937675E-11 9.267690274595416E-12 peri 3.212301339184578E-14 -3.949066289271597E-14 8.593084954308886E-10 -7.26374954937675E-11 3.727223779954836E-10 -1.305692369046421E-11 i 5.090953768087494E-15 -9.853361713379587E-15 -1.28188877912426E-11 9.267690274595416E-12 -1.305692369046421E-11 1.686170092759699E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.18   n/a PDS3 (MPC 17266)   rotation period rot_per 2.81258 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Stephens, R.D. (2004) Minor Planet Bull. 31, 95-97.] [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D.; Pravec, P.; Harris, A.W.; Higgins, D.; Bembrick, C.; Brinsfield, J. (2009) CBET 1715.] [Warner, B.D.; Pravec, P.; Harris, A.W.; Higgins, D.; et al. (2009) Minor Planet Bull. 36, 165-166.] [Warner, B.D. (2011) Minor Planet Bull. 38, 33-36.] [Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] B-V BV 0.787   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.00 deg. U-B UB 0.340   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.00 deg. Tholen spectral type spec_T EU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices; used ground-based radiometric albedo 2577 Litva (1975 EE3)          Discovered 1975-Mar-12 by Chernykh, N. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1975 EE3 = 1934 VY = 1954 JD = 1976 SA2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 02:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin