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20702 (1999 VF195)
Classification: Main-belt Asteroid          SPK-ID: 2020702
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .09927925443748531 3.3589e-08  
a 3.106771052289601 1.9537e-08 au
q 2.798333138510328 1.0036e-07 au
i 4.542597532893514 3.9844e-06 deg
node 99.41237303490819 5.7366e-05 deg
peri 159.93678599526 6.4246e-05 deg
M 71.68128409503899 2.7332e-05 deg
tp 2458802.241019536557
(2019-Nov-14.74101954)
0.00015319 TDB
period 2000.14878049265
5.48
1.8867e-05
5.166e-08
d
yr
n .179986610751691 1.6978e-09 deg/d
Q 3.415208966068874 2.1476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1550  
   data-arc span      9143 days (25.03 yr)  
   first obs. used      1995-12-22  
   last obs. used      2021-01-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:27:31  

Additional Information
 Earth MOID = 1.78183 au 
 Jupiter MOID = 1.63885 au 
 T_jup = 3.208 
[ 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 13.71   n/a E2021B10  
diameter diameter 9.727 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20702 (1999 VF195)          Discovered 1999-Nov-03 by CSS at Catalina
Reference: 20010109/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
1918-Apr-17 12:27 00:03 Jupiter 1.71918232286204 1.71918130929668 1.71918333642741 2.32007307204608 2.09698848836396 2421701.018656978 3.01958290784635 81.9315533879323 14.530686546288 -78.7663738163246 1765120.74364816 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
1928-Apr-27 05:35 00:03 Jupiter 1.72863195089996 1.7286312886696 1.72863261313326 2.47104956835889 2.26408794787675 2425363.732941536 2.77099382186411 164.343904762001 8.69472672356177 -87.5940192043798 2876136.27399483 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
1989-Oct-25 04:04 < 00:01 Jupiter 1.76322778555186 1.76322727657772 1.7632282945259 2.44696974319434 2.24207434175235 2447824.669480976 0.808374876833044 61.1961799520364 10.5099267742281 -82.6129869666973 2634136.58079075 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
1999-Nov-09 09:47 < 00:01 Jupiter 1.69129998531623 1.69129952945865 1.69130044117362 2.3042730048465 2.07558450734308 2451491.907470142 0.529256139069513 55.1130836481367 7.991354487664 88.1318269465766 2566184.71799913 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
2061-May-02 01:40 00:01 Jupiter 1.82307728729853 1.82307665596651 1.82307791863076 2.60563668953227 2.4207684183932 2473946.569249499 1.41894522549049 70.43899625124 12.5957353960768 -77.1683089300684 2622346.49714174 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
2071-May-22 05:28 00:02 Jupiter 1.66771723624233 1.66771662274763 1.66771784973799 2.20978022201646 1.96655584945703 2477618.727453558 1.77851642379214 109.526077493644 9.99375617914904 89.9883203975892 2680356.31554362 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
2081-Jun-11 11:13 00:02 Jupiter 1.96922966867961 1.96922853853636 1.96923079882386 3.66166071974981 3.54224526365934 2481291.967133080 1.93338994521104 102.592551777353 20.6493755089643 -66.3863644697415 2785133.25588408 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
2132-Nov-08 02:40 00:04 Jupiter 1.89147662117435 1.89147502371102 1.89147821863994 2.78509580362381 2.619377454472 2500068.610839495 3.56471246826669 143.979715519855 16.4950482404554 -67.5443897450673 2301354.60344468 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
2142-Dec-02 09:37 00:04 Jupiter 1.66232860085957 1.66232811777344 1.66232908394702 2.18303567741606 1.935604622623 2503744.900865540 4.02108207646017 129.668175495979 10.9269134223978 89.0587625713705 2835818.21289221 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27
2152-Dec-18 03:35 00:04 Jupiter 1.90946231249726 1.90946033384551 1.9094642911566 3.3587529471297 3.22397844911934 2507413.649650814 4.1527022374812 224.987824901383 19.0477186035823 -71.6429733088061 2792341.52685404 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 03:27:37 2021-Apr-13 03:27

Alternate Designations
 1999 VF195 = 1997 GS41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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