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 ]  
19723 (1999 VG87)
Classification: Main-belt Asteroid          SPK-ID: 2019723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2761313305362449 5.1171e-08  
a 2.586900071102768 1.3387e-08 au
q 1.872575912504854 1.3853e-07 au
i 10.27355193903823 3.9529e-06 deg
node 293.3743723216548 2.8081e-05 deg
peri 101.4133003729607 2.9589e-05 deg
M 35.07247000096176 7.7337e-06 deg
tp 2458852.442041209600
(2020-Jan-03.94204121)
3.2398e-05 TDB
period 1519.735141639084
4.16
1.1797e-05
3.23e-08
d
yr
n .2368833819370185 1.8388e-09 deg/d
Q 3.301224229700682 1.7083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1391  
   data-arc span      12202 days (33.41 yr)  
   first obs. used      1986-09-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:54:52  

Additional Information
 Earth MOID = .911599 au 
 Jupiter MOID = 2.27088 au 
 T_jup = 3.345 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO358819  
diameter diameter 4.025 km 0.892 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.292   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

19723 (1999 VG87)          Discovered 1999-Nov-04 by CSS at Catalina
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VG87 = 1986 RD4 = 1986 WC6 = 1998 OU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-14 07:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin