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 ]  
66407 (1999 LQ28)
Classification: Amor [NEO]          SPK-ID: 2066407
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1200085097157998 6.4757e-08  
a 1.198459713235867 2.4264e-09 au
q 1.054634349096006 7.6562e-08 au
i 21.77239987194691 5.394e-06 deg
node 95.00042871884396 1.1925e-05 deg
peri 320.5300288455746 2.8564e-05 deg
M 205.7076454386467 3.7655e-05 deg
tp 2459205.888201560101
(2020-Dec-22.38820156)
5.0541e-05 TDB
period 479.2185119725731
1.31
1.4553e-06
3.984e-09
d
yr
n .7512230663171954 2.2814e-09 deg/d
Q 1.342285077375728 2.7175e-09 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      12396 days (33.94 yr)  
   first obs. used      1982-07-27  
   last obs. used      2016-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54218  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:28:51  

Additional Information
 Earth MOID = .0959889 au 
 Jupiter MOID = 3.88479 au 
 T_jup = 5.227 
[ 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 18.9   n/a MPO385238  

66407 (1999 LQ28)          Discovered 1999-Jun-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 07:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin