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21896 (1999 VM6)
Classification: Main-belt Asteroid          SPK-ID: 2021896
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684561558552273 3.6859e-08  
a 3.180894452393391 1.879e-08 au
q 2.645053200761982 1.2238e-07 au
i 5.759897783333987 4.1411e-06 deg
node 118.7415755685962 3.4907e-05 deg
peri 238.2714076322576 3.6615e-05 deg
M 342.6770548611085 1.157e-05 deg
tp 2459496.210649259665
(2021-Oct-08.71064926)
6.6983e-05 TDB
period 2072.155366519651
5.67
1.836e-05
5.027e-08
d
yr
n .1737321466414213 1.5394e-09 deg/d
Q 3.7167357040248 2.1955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      10132 days (27.74 yr)  
   first obs. used      1993-11-11  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:46:13  

Additional Information
 Earth MOID = 1.64559 au 
 Jupiter MOID = 1.74605 au 
 T_jup = 3.169 
[ 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 14.36   n/a MPO636392  
diameter diameter 8.109 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21896 (1999 VM6)          Discovered 1999-Nov-07 by Urata, T. at Oohira
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ 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
1922-Sep-20 03:27 00:03 Jupiter 1.92795428765535 1.92795352984828 1.92795504546416 2.38952995772 2.197994205751 2423317.643823092 2.7219312236394 122.40726617173 6.53313154464991 -83.4805372473856 2981132.62446892 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
1933-Sep-12 14:59 00:02 Jupiter 1.82846305656209 1.82846256005382 1.82846355307181 2.10792277478085 1.87532734311596 2427328.124405074 2.24836508942313 131.681988737921 6.8954328470496 -81.8439172287855 3036856.57922169 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
1944-Sep-10 22:51 00:02 Jupiter 1.79603519490851 1.79603481214057 1.79603557767635 2.24050073793709 2.01906657769105 2431344.451926434 1.82391233045015 103.822550734099 10.9773631609013 -82.1433854947986 2761254.62110976 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
1955-Sep-06 22:31 00:01 Jupiter 1.84471798758724 1.84471753358174 1.84471844159273 2.66754846576507 2.48947642401825 2435357.437866462 1.47898579984046 68.3386816328393 12.0652340574481 89.8751549500451 2858853.79493881 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
1966-Aug-18 21:08 00:01 Jupiter 1.9634963669913 1.96349590549836 1.96349682848413 3.37376912782867 3.24338534619266 2439356.380431996 1.17408499676452 42.1151592986925 16.0482749643523 83.0454103709724 3056803.67537062 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
2065-Jan-14 04:15 00:01 Jupiter 1.89065022112712 1.89064975880135 1.89065068345311 2.23705955518832 2.02692466384935 2475299.677378137 1.3904112019152 75.8084547899305 8.04177802834734 -86.9042790123066 2888792.4122049 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
2076-Jan-10 07:20 00:02 Jupiter 1.82200530189454 1.82200488310429 1.82200572068511 2.06833136121319 1.82981558764963 2479312.805363830 1.76592130265823 106.780429626847 8.91601588498312 -84.3824567842498 2940408.51158938 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
2087-Jan-08 09:15 00:02 Jupiter 1.81909329738133 1.81909289334127 1.81909370142139 2.30759662245037 2.09612601289125 2483328.885137000 2.18437203922732 119.234571871045 10.2037926230369 -85.4275060951175 2842464.7679003 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
2097-Dec-30 23:05 00:03 Jupiter 1.89016619007754 1.89016553733507 1.89016684282119 2.85203939520284 2.69033221030731 2487338.461785235 2.64928555933996 109.790638024988 13.4794955843493 84.4482538283568 3014702.56690848 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46
2196-May-23 11:24 00:05 Jupiter 1.95065820437907 1.95065706720321 1.95065934155537 2.65012235119308 2.48086690004832 2523275.974898592 5.14433957612555 98.7789469445508 10.4579027584907 -84.0019681755118 1483308.75874954 T 26 CATAB v2.0g-lin.ifort 2021-Aug-24 22:46:16 2021-Aug-24 22:46

Alternate Designations
 1999 VM6 = 1995 AJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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