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JPL Small-Body Database Browser
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446804 (1999 VN6)
Classification: Amor [NEO]          SPK-ID: 2446804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3707910916080649 5.2741e-08  
a 1.732967523620467 1.7131e-09 au
q 1.090398603815909 9.1237e-08 au
i 19.47828962052647 1.2138e-05 deg
node 58.06032409566195 1.1609e-05 deg
peri 43.65698836529594 2.4985e-05 deg
M 337.2481688955748 1.2149e-05 deg
tp 2459053.162068928749
(2020-Jul-22.66206893)
2.8144e-05 TDB
period 833.2667699287881
2.28
1.2356e-06
3.383e-09
d
yr
n .4320345092253781 6.4062e-10 deg/d
Q 2.375536443425025 2.3483e-09 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      6041 days (16.54 yr)  
   first obs. used      1999-10-16  
   last obs. used      2016-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47361  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:20  

Additional Information
 Earth MOID = .167491 au 
 Jupiter MOID = 2.93894 au 
 T_jup = 4.013 
[ 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 19.5   n/a MPO380271  
rotation period rot_per 24.1 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1999) http://www.asu.cas.cz/~ppravec/neo.htm]
SMASSII spectral type spec_B C   n/a Binzel et al. (2001) Icarus 151, 139-149  

446804 (1999 VN6)          Discovered 1999-Nov-04 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-10-28

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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
1910-Dec-01 17:37 < 00:01 Earth 0.201449963983308 0.201448526315226 0.201451401679012 10.6395889417443 10.6383457283309 2419007.234179339 0.0820579380251531 139.391120613662 12.7369036355679 59.4511165745297 1636708.62484961 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
1926-Nov-30 21:11 < 00:01 Earth 0.171390151527241 0.171389679908449 0.171390623153262 11.809985338014 11.8086688971912 2424850.382970468 0.0868240505355082 93.5512793733974 18.5774042995086 -80.953666427266 1104777.04762888 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
1942-Nov-27 23:43 < 00:01 Earth 0.262633917152282 0.262632693686543 0.262635140621767 14.1851813827912 14.1844661661664 2430691.488029008 0.0883112630807487 80.7589866369323 21.7059027813676 -42.8647006268298 1066147.13937586 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
1958-Nov-23 06:56 < 00:01 Earth 0.421551323206069 0.421550115004553 0.42155253140828 17.7474865407296 17.747130393638 2436530.789187845 0.0758197458414132 66.7587854112795 22.266450224013 -27.1899636869577 1322389.0586542 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
1967-Nov-23 10:09 < 00:01 Earth 0.445021245974691 0.445020283847604 0.445022208113111 10.4184948968773 10.4179202003057 2439817.922934859 0.1376523495656 142.606558402028 26.4376282823947 73.3999829569184 1669093.32878543 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
1983-Nov-30 23:34 < 00:01 Earth 0.288229560613176 0.288228879402077 0.288230241827421 10.3485117486193 10.347618412928 2445669.482021003 0.0881244093596199 61.5043779221506 12.9127282548673 58.5016403152646 2516039.94236489 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
1999-Dec-02 04:57 < 00:01 Earth 0.182244111761845 0.182243688675555 0.182244534848643 10.8325015705833 10.8311518087339 2451514.706439169 0.0816169030911547 27.2455949002978 9.86480952996316 42.7565907917168 1773086.07911242 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2015-Nov-30 19:12 < 00:01 Earth 0.186459040333347 0.186458708772027 0.186459371894805 12.3315979822285 12.3304391249285 2457357.300107550 0.0778079011211064 24.0032738889194 14.6756098215539 66.3741107426672 1522383.04951698 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2031-Nov-27 03:29 < 00:01 Earth 0.306093158897355 0.306092506753263 0.306093811041672 15.1831962950099 15.1826229662521 2463197.644941033 0.0709453596870299 37.2085516355334 22.613137014335 -37.7325218488399 1349222.58186274 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2047-Nov-22 03:30 < 00:01 Earth 0.472306544811356 0.472305477237532 0.472307612385395 18.9826027495263 18.9823055582662 2469036.646053382 0.0643990170038358 55.8614119782525 23.2779094230088 -19.4723758332352 1374991.81575137 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2056-Nov-25 09:58 < 00:01 Earth 0.404177741545333 0.404176600821333 0.4041788822873 10.3358731934047 10.3352353615693 2472327.915111804 0.124134547730055 157.088360048906 22.5835730235564 70.3765448983713 1818412.9639294 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2072-Dec-01 02:54 < 00:01 Earth 0.256508599884866 0.256507385023956 0.256509814757455 10.3240037665781 10.322997568609 2478177.620830551 0.086451835696647 106.882344449271 12.0090234391234 56.0068860994624 2279816.43812459 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2088-Dec-01 12:30 < 00:01 Earth 0.171416170069426 0.171415712920592 0.171416627227605 11.1179206095201 11.1165224255783 2484022.020997898 0.0862291016382977 96.2048951599942 16.813691362136 80.6467315727938 1204962.92039207 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2104-Nov-30 13:40 < 00:01 Earth 0.210939038898205 0.210937483501375 0.21094059431139 12.9469292321867 12.9459535576202 2489864.069296471 0.101964151032804 123.663462161957 21.2806551546303 -52.2491137089144 977389.553673049 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2120-Nov-26 15:16 < 00:01 Earth 0.345324585147263 0.345321780555847 0.345327389743978 16.0536103513003 16.0531297127051 2495704.135947654 0.111487056815232 155.675874220916 22.7451455850942 -26.3631733688046 895496.67716971 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2145-Nov-29 04:32 < 00:01 Earth 0.359059798863439 0.359056648175242 0.359062949688773 10.2434498707586 10.2427254103027 2504837.688780194 0.249552076325602 385.642069031563 17.737723191267 66.0941699588292 2070356.49781473 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2161-Dec-03 01:38 < 00:01 Earth 0.220457752443296 0.220455348036115 0.220460156914413 10.4150535371056 10.4138930250105 2510685.567818810 0.0889641100978629 223.210429279365 12.5361212296924 57.6509466840887 1810441.67071926 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2177-Dec-02 15:03 < 00:01 Earth 0.170678624181455 0.17067812653524 0.170679121868739 11.5013955582295 11.5000381567698 2516529.127272329 0.109645600854932 197.383455101974 18.3256859867339 -85.1179577288318 1120807.69269264 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
2193-Nov-30 04:07 < 00:01 Earth 0.24270599290466 0.242702465016834 0.242709520835917 13.7076534051782 13.7068524993955 2522370.671516105 0.157572184506948 239.930188940722 21.6879191914444 -43.0640106207207 955038.206493238 T 43 CATAB v2.0e-lin.ifort 2017-Nov-26 22:32:35 2018-Dec-18 03:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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