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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
91955 (1999 VK77)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509384005259749 4.0924e-08  
a 3.201770549422354 2.523e-08 au
q 2.718500423841372 1.3215e-07 au
i 5.540271535721054 5.4338e-06 deg
node 16.07288212899701 4.307e-05 deg
peri 40.17074397085993 4.624e-05 deg
M 282.7414836682806 1.8618e-05 deg
tp 2459845.584016459084
(2022-Sep-23.08401646)
0.00011112 TDB
period 2092.588022673359
5.73
2.4735e-05
6.772e-08
d
yr
n .1720357739313095 2.0335e-09 deg/d
Q 3.685040675003336 2.9038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      10186 days (27.89 yr)  
   first obs. used      1993-09-17  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:03:04  

Additional Information
 Earth MOID = 1.7326 au 
 Jupiter MOID = 1.71537 au 
 T_jup = 3.169 
[ 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 14.75   n/a MPCxxxxx  
diameter diameter 6.791 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91955 (1999 VK77)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VK77 = 2001 CN7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 15:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin