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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
27613 Annalou (2001 KV28)
Classification: Main-belt Asteroid          SPK-ID: 2027613
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139866215352501 4.1079e-08  
a 2.288288352056499 7.7477e-09 au
q 2.027454093707114 9.654e-08 au
i 7.117251804624056 4.4393e-06 deg
node 17.26407557399632 2.8525e-05 deg
peri 343.2263591685728 3.2612e-05 deg
M 50.1997035462195 1.586e-05 deg
tp 2458824.195578733144
(2019-Dec-06.69557873)
5.5581e-05 TDB
period 1264.341961653832
3.46
6.4212e-06
1.758e-08
d
yr
n .284733095094858 1.4461e-09 deg/d
Q 2.549122610405885 8.6308e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1514  
   data-arc span      14024 days (38.40 yr)  
   first obs. used      1981-09-01  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:07:08  

Additional Information
 Earth MOID = 1.02586 au 
 Jupiter MOID = 2.89469 au 
 T_jup = 3.581 
[ 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 14.7   n/a MPO502364  
diameter diameter 2.079 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.591   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27613 Annalou           Discovered 2001 May 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Anna J. Lou (b. 2000) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for her mathematics and computer science project. She attends the Oxford Academy, Cypress, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 2001 KV28 = 1981 RS6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-23 23:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin