Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
27770 (1991 VF1)
Classification: Main-belt Asteroid          SPK-ID: 2027770
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208177348602428 6.5332e-08  
a 2.252064710234229 1.1971e-08 AU
q 1.97997535318504 1.5023e-07 AU
i 3.62726776208489 6.6296e-06 deg
node 6.171720533064811 7.6564e-05 deg
peri 352.4369074584324 7.8816e-05 deg
M 276.9788963723011 2.1035e-05 deg
tp 2457085.179193175967
(2015-Mar-03.67919318)
7.3015e-05 JED
period 1234.439257793188
3.38
9.8425e-06
2.695e-08
d
yr
n .2916303882327701 2.3252e-09 deg/d
Q 2.524154067283417 1.3417e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      8277 days (22.66 yr)  
   first obs. used      1991-11-04  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:57:43  

Additional Information
 Earth MOID = .974861 AU 
 T_jup = 3.614 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO263584  

27770 (1991 VF1)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VF1 = 1998 XO17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 19:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin