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 ]  
27987 (1997 VR3)
Classification: Main-belt Asteroid          SPK-ID: 2027987
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2141399973563581 5.0947e-08  
a 2.599659259152001 9.9621e-09 au
q 2.04296823226976 1.2932e-07 au
i .8655296895597701 4.0071e-06 deg
node 233.6061342682223 0.00027913 deg
peri 135.573281631507 0.00027925 deg
M 169.7300813565984 1.2147e-05 deg
tp 2458278.679208045979
(2018-Jun-09.17920805)
4.8905e-05 TDB
period 1530.992520751216
4.19
8.8003e-06
2.409e-08
d
yr
n .2351415798056007 1.3516e-09 deg/d
Q 3.156350286034243 1.2095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1357  
   data-arc span      13029 days (35.67 yr)  
   first obs. used      1984-08-24  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:25:00  

Additional Information
 Earth MOID = 1.04246 au 
 Jupiter MOID = 2.31003 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117841610874917 5.0545e-08  
q 2.050361603858892 1.2794e-07 au
tp 2456742.634400513172
(2014-Mar-26.13440051)
4.4453e-05 TDB
node 234.1890330324458 0.00028123 deg
peri 134.4081146475529 0.00028136 deg
i .8609267393855955 3.9915e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1357  
   data-arc span      13029 days (35.67 yr)  
   first obs. used      1984-08-24  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:25:00  

Additional Information
 Jupiter MOID = 2.31003 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.554840449299124E-15 -6.456698956865196E-15 7.638726090731161E-13 1.831195982786769E-14 4.619830196249959E-14 -7.617913131125099E-18
q -6.456698956865196E-15 1.636957565603314E-14 -1.792379121861572E-12 -4.553803458450928E-14 -9.062057962947199E-14 4.872992043633267E-17
tp 7.638726090731161E-13 -1.792379121861572E-12 1.976111425948607E-9 1.226903986156702E-11 3.931955367024657E-10 -1.613473834623594E-14
node 1.831195982786769E-14 -4.553803458450928E-14 1.226903986156702E-11 7.908966772399849E-8 -7.907818238635514E-8 -2.620481335149092E-10
peri 4.619830196249959E-14 -9.062057962947199E-14 3.931955367024657E-10 -7.907818238635514E-8 7.91622100497318E-8 2.6201195132659E-10
i -7.617913131125099E-18 4.872992043633267E-17 -1.613473834623594E-14 -2.620481335149092E-10 2.6201195132659E-10 1.593240698422874E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO468060  
diameter diameter 5.825 km 1.466 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.082   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

27987 (1997 VR3)          Discovered 1997-Nov-06 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 VR3 = 1984 QZ1 = 1999 FG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 00:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin