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 ]  
70538 (1999 TD122)
Classification: Main-belt Asteroid          SPK-ID: 2070538
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817956888677202 4.0333e-08  
a 2.577421473399778 1.1424e-08 au
q 2.108857361140611 1.059e-07 au
i 6.732513721106717 5.5686e-06 deg
node .1432081160290886 3.758e-05 deg
peri 270.4674219384679 4.0568e-05 deg
M 83.89224566656958 1.455e-05 deg
tp 2458648.294681530665
(2019-Jun-13.79468153)
6.0988e-05 TDB
period 1511.390160574601
4.14
1.0048e-05
2.751e-08
d
yr
n .2381913084991469 1.5836e-09 deg/d
Q 3.045985585658945 1.3501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1811  
   data-arc span      7327 days (20.06 yr)  
   first obs. used      1999-10-01  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:12:16  

Additional Information
 Earth MOID = 1.10612 au 
 Jupiter MOID = 2.11068 au 
 T_jup = 3.393 
[ 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 14.3   n/a MPO474584  
diameter diameter 3.705 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70538 (1999 TD122)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/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-Sep-20 14:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin