Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
19923 (1978 VA8)
Classification: Main-belt Asteroid          SPK-ID: 2019923
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043988526520464 4.1127e-08  
a 3.168822655152608 1.7553e-08 au
q 2.838001205696865 1.2737e-07 au
i 1.679072764099417 4.8127e-06 deg
node 45.65225321256296 0.00012262 deg
peri 146.6398309702857 0.0001244 deg
M 68.51424027025803 1.9247e-05 deg
tp 2458808.375774441124
(2019-Nov-20.87577444)
0.00011097 TDB
period 2060.370525081556
5.64
1.712e-05
4.687e-08
d
yr
n .1747258542177748 1.4518e-09 deg/d
Q 3.499644104608351 1.9386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1418  
   data-arc span      21826 days (59.76 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:09:18  

Additional Information
 Earth MOID = 1.83712 au 
 Jupiter MOID = 1.45426 au 
 T_jup = 3.194 
[ 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 13.96   n/a E2021B10  
diameter diameter 8.076 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19923 (1978 VA8)          Discovered 1978-Nov-06 by Helin, E. F., Bus, S. J. at Palomar
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
1905-Jul-22 09:19 00:03 Jupiter 1.6494597452491 1.64945840812657 1.64946108236995 2.06972201888915 1.80463819228053 2417048.888054748 2.57735498923136 56.2473130015402 11.803706281848 -86.8536165713052 941505.407190375 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
1916-Jan-27 07:21 00:02 Jupiter 1.44143835419584 1.44143793447432 1.4414387739222 1.37898675694037 0.85226652199252 2420889.806332699 2.21525028917214 328.969128565272 206.028059297948 43.7571928850991 1918659.24425982 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
1926-Aug-02 03:51 00:02 Jupiter 1.68944541927977 1.68944439819468 1.68944644036505 2.16187837882488 1.91598423084465 2424729.660635872 1.95562749986991 90.4273719230051 8.95620622049289 -87.6617895686651 2043310.07966551 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2001-Apr-15 23:32 < 00:01 Jupiter 1.86976074690226 1.86976029180648 1.86976120199792 2.90101308453408 2.74041138673667 2452015.480288715 0.383010342809615 35.3348630440182 13.6642046856608 -86.1964720571103 2946357.19261441 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2011-Oct-20 11:57 < 00:01 Jupiter 1.49679541566082 1.49679494818313 1.49679588313852 1.54047241493323 1.11412476289685 2455854.998068032 0.25427754145076 139.311975866352 112.995572087461 62.5589411152823 1769187.99752196 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2022-May-02 20:06 < 00:01 Jupiter 1.5009669997748 1.50096655797305 1.50096744157791 1.56326390466333 1.14680350589381 2459702.337492703 0.394051251954394 146.519504243422 77.0157720780016 61.3404174198445 2365950.32002422 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2032-Nov-06 06:51 < 00:01 Jupiter 1.88026088115752 1.88026018344666 1.88026157886828 2.91782435889402 2.75911874247403 2463542.785239649 0.635896822532486 46.941949417247 22.5622003018401 -84.2668401465886 2216140.47879033 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2107-Jul-26 01:23 00:02 Jupiter 1.67881424386383 1.67881281359435 1.6788156741314 2.13397378275666 1.88275642679722 2490831.557800127 2.27712178942043 45.3012155664201 7.81931539933957 -87.063848311154 863393.462391984 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2118-Jan-30 17:20 00:03 Jupiter 1.44077415109059 1.44077372576996 1.44077457641377 1.37102048941176 0.8389929305318 2494673.222412201 2.51438576246292 314.419668179062 217.127917287245 30.093272490784 1778170.36528783 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09
2128-Aug-08 17:01 00:03 Jupiter 1.64565289248391 1.64565114616012 1.64565463881041 2.06329557365112 1.79660306893054 2498516.209097423 2.90616786946536 174.197259703172 11.2773356682779 88.0729362849691 2107832.74812823 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:09:25 2021-Apr-13 03:09

Alternate Designations
 1978 VA8 = 1978 WP12 = 1999 RE71 = 2000 VM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-13 01:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin