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 ]  
66889 (1999 VW78)
Classification: Main-belt Asteroid          SPK-ID: 2066889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02202640108605728 4.2696e-08  
a 2.797984681383308 2.0078e-08 au
q 2.736355148558516 1.1798e-07 au
i 5.158345115310499 4.1819e-06 deg
node 226.3169196695601 5.2321e-05 deg
peri 159.7390899043357 0.00011245 deg
M 193.2389003043413 0.00010064 deg
tp 2459992.378725037630
(2023-Feb-16.87872504)
0.00047977 TDB
period 1709.489452479115
4.68
1.8401e-05
5.038e-08
d
yr
n .2105891905199679 2.2668e-09 deg/d
Q 2.859614214208102 2.0521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8712 days (23.85 yr)  
   first obs. used      1997-04-11  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:37  

Additional Information
 Earth MOID = 1.73925 au 
 Jupiter MOID = 2.23053 au 
 T_jup = 3.320 
[ 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 15.50   n/a E2021B10  
rotation period rot_per 10.7 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Stephens, R.D.; French, L.M.; James, D.; Rohl, D.; Warner, B.D. (2017) Minor Planet Bull. 44, 42-49.]

66889 (1999 VW78)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 17:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin