+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   49701 (1999 VZ1) Classification: Main-belt Asteroid          SPK-ID: 2049701 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09162647004006251 3.2197e-08   a 2.210285931545682 6.6777e-09 au q 2.00776523385894 7.0775e-08 au i 1.056688169830042 3.3162e-06 deg node 241.7203286849011 0.00023815 deg peri 215.444675785666 0.00023945 deg M 106.4557287228161 2.4566e-05 deg tp 2458845.574132580516 (2019-Dec-28.07413258) 8.1681e-05 TDB period 1200.248345523084 3.29 5.4393e-06 1.489e-08 d yr n .2999379264656326 1.3593e-09 deg/d Q 2.412806629232424 7.2896e-09 au   Orbit Determination Parameters    # obs. used (total)      984      data-arc span      14325 days (39.22 yr)      first obs. used      1981-03-02      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57415      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:31:18   Additional Information  Earth MOID = 1.02449 au   Jupiter MOID = 2.69483 au   T_jup = 3.652  [ hide covariance matrix ] Orbital Elements at Epoch 2456526.5 (2013-Aug-22.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09134034677780628 3.2171e-08   q 2.008818998784382 7.0743e-08 au tp 2456444.356181036214 (2013-May-31.85618104) 8.1493e-05 TDB node 241.803962649034 0.00023853 deg peri 215.3957366739567 0.00023984 deg i 1.055208742404325 3.3152e-06 deg   Orbit Determination Parameters    # obs. used (total)      984      data-arc span      14325 days (39.22 yr)      first obs. used      1981-03-02      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57415      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:31:18   Additional Information  Jupiter MOID = 2.69483 au   T_jup = 3.652  Orbit Covariance (6×6)   e q tp node peri i e 1.034978854971497E-15 -2.267615882378986E-15 8.027114350689245E-13 4.499858613648E-15 2.613523818842272E-13 -6.293091683034065E-17 q -2.267615882378986E-15 5.004579522887795E-15 -1.77559259836762E-12 -1.005504728828775E-14 -5.77731333381872E-13 1.567831075002083E-16 tp 8.027114350689245E-13 -1.77559259836762E-12 6.641048329906061E-9 1.906821692058979E-11 2.058262085018435E-9 1.897601705644389E-13 node 4.499858613648E-15 -1.005504728828775E-14 1.906821692058979E-11 5.689663427001777E-8 -5.688108810611027E-8 -6.722892015319994E-11 peri 2.613523818842272E-13 -5.77731333381872E-13 2.058262085018435E-9 -5.688108810611027E-8 5.752288623824925E-8 6.728090394720494E-11 i -6.293091683034065E-17 1.567831075002083E-16 1.897601705644389E-13 -6.722892015319994E-11 6.728090394720494E-11 1.099044055591504E-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 16.23   n/a E2021B10   diameter diameter 1.682 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.207   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   49701 (1999 VZ1)          Discovered 1999-Nov-05 by Roe, J. M. at Oaxaca Reference: 20021120/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 VZ1 = 1981 EH42  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-03 03:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin