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 ]  
66662 (1999 TM4)
Classification: Main-belt Asteroid          SPK-ID: 2066662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215740594573107 3.5781e-08  
a 2.853770773548527 1.3682e-08 au
q 2.506826275847603 1.0168e-07 au
i 4.409481181977852 3.7559e-06 deg
node 241.7476034269827 5.1844e-05 deg
peri 90.34155612930736 5.409e-05 deg
M 195.7776932055328 1.6202e-05 deg
tp 2460003.761040012424
(2023-Feb-28.26104001)
8.0718e-05 TDB
period 1760.869032039533
4.82
1.2663e-05
3.467e-08
d
yr
n .2044445063486798 1.4702e-09 deg/d
Q 3.200715271249452 1.5345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1595  
   data-arc span      7842 days (21.47 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:16  

Additional Information
 Earth MOID = 1.49936 au 
 Jupiter MOID = 2.14632 au 
 T_jup = 3.289 
[ 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 14.12   n/a MPCxxxxx  
diameter diameter 7.083 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66662 (1999 TM4)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TM4 = 2001 AD13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-19 19:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin