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 ]  
214481 (2005 TQ99)
Classification: Main-belt Asteroid          SPK-ID: 2214481
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042815377929056 4.8478e-08  
a 3.0686762166763 2.4306e-08 au
q 2.44180232014515 1.632e-07 au
i 9.914874822253996 5.9695e-06 deg
node 213.0301320031107 2.3378e-05 deg
peri 78.59710280295194 2.9166e-05 deg
M 325.698373857536 1.4934e-05 deg
tp 2459187.584253952208
(2020-Dec-04.08425395)
8.2076e-05 TDB
period 1963.473426684516
5.38
2.3328e-05
6.387e-08
d
yr
n .1833485470734836 2.1784e-09 deg/d
Q 3.69555011320745 2.9272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      1999-07-22  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:13:20  

Additional Information
 Earth MOID = 1.45012 au 
 Jupiter MOID = 1.61539 au 
 T_jup = 3.177 
[ 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 15.4   n/a MPO396613  
diameter diameter 2.916 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.144   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214481 (2005 TQ99)          Discovered 2005-Oct-07 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2005 TQ99 = 2004 LN21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-05 21:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin