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249664 (1999 VG42)
Classification: Main-belt Asteroid          SPK-ID: 2249664
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1975795918858001 6.3879e-08  
a 3.197792478983422 2.6403e-08 au
q 2.565973946050396 2.0096e-07 au
i 6.911696880887618 5.751e-06 deg
node 234.6841859951894 6.2774e-05 deg
peri 152.2814836009952 6.4862e-05 deg
M 221.5293732940859 1.6441e-05 deg
tp 2459803.894767795914
(2022-Aug-12.39476780)
0.00010043 TDB
period 2088.689300300367
5.72
2.5869e-05
7.083e-08
d
yr
n .172356893841621 2.1347e-09 deg/d
Q 3.829611011916447 3.162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:46:46  

Additional Information
 Earth MOID = 1.57338 au 
 Jupiter MOID = 1.64182 au 
 T_jup = 3.153 
[ 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 16.0   n/a MPO433636  
diameter diameter 3.844 km 0.981 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249664 (1999 VG42)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1909-Dec-29 07:01 00:04 Jupiter 1.83494574576263 1.83494457434026 1.83494691718792 2.06009757589889 1.82230332899629 2418669.792506539 4.20746842516381 176.520954913094 45.1088126047513 74.1564424033842 1580657.7589135 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
1921-May-17 07:30 00:04 Jupiter 1.91649719096761 1.91649600287932 1.91649837905807 2.19797074553053 1.98674297727304 2422826.812467576 3.59957768705053 156.898898378332 16.1152853520096 83.1587394260993 1646355.49580992 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2055-Jul-29 04:44 00:02 Jupiter 1.92826553574989 1.92826460957583 1.92826646192383 3.19812225844723 3.05768751097752 2471842.697465687 1.75906401004995 85.4945244609944 37.3242975022781 -82.1918808331599 1970248.55012337 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2066-Nov-17 06:57 00:02 Jupiter 1.80475235289059 1.80475153158682 1.80475317419509 2.85652250002068 2.6872035474254 2475971.789380449 2.26998629438094 127.170116632639 27.6471964406221 -82.0553473898261 2262041.41178681 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2078-Apr-10 21:55 00:03 Jupiter 1.72921270553947 1.72921208369302 1.72921332738789 2.66926519465544 2.47897439878359 2480134.412900872 2.87726307500928 188.440786205028 21.8309861257792 -87.6966832808852 2544345.46808784 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2089-Sep-26 13:15 00:04 Jupiter 1.69544032587077 1.69543984232965 1.6954408094118 2.55027533871533 2.34621552119989 2484321.052085826 3.68980246463318 259.377787397585 20.9908495771722 86.9277800302065 2389282.01484951 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2101-Mar-27 15:26 00:05 Jupiter 1.69895224956064 1.69895142608699 1.69895307304839 2.46914023066656 2.25821652143068 2488520.143280532 4.81184601486173 333.431837797226 23.3794391474678 81.9009996452265 2104747.33876162 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2112-Sep-24 04:00 00:06 Jupiter 1.73407812596316 1.73407645447023 1.73407979748398 2.41516932528455 2.20366262525458 2492718.666762060 6.33594870360801 400.635435310784 27.6331124437437 76.550463827043 1860080.12681293 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2124-Mar-10 12:32 00:08 Jupiter 1.80466491967025 1.80466202718843 1.80466781218582 2.40171585293459 2.1976204571963 2496904.022511813 8.29081679998274 445.24667696154 31.7870946675088 71.0484082734681 1705082.77970717 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
2135-Aug-05 15:50 00:11 Jupiter 1.90432054359462 1.90431637310491 1.90432471411951 2.47404936909537 2.28721238858344 2501069.159602763 10.5791392371833 480.421742444656 30.384468429743 68.5130007601936 1676544.54400822 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:47:09 2020-May-21 13:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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