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 ]  
74911 (1999 TZ139)
Classification: Main-belt Asteroid          SPK-ID: 2074911
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09619239707499434 3.314e-08  
a 2.357630337228788 9.1381e-09 au
q 2.130844223674023 7.8267e-08 au
i 6.70430847919532 4.3257e-06 deg
node 24.88971648147155 3.2476e-05 deg
peri 242.869088769982 4.0439e-05 deg
M 4.359210926575859 2.2928e-05 deg
tp 2458984.489039855922
(2020-May-14.98903986)
8.423e-05 TDB
period 1322.245183578582
3.62
7.6874e-06
2.105e-08
d
yr
n .2722641794963323 1.5829e-09 deg/d
Q 2.584416450783552 1.0017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-05-22  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:14:36  

Additional Information
 Earth MOID = 1.12522 au 
 Jupiter MOID = 2.48327 au 
 T_jup = 3.538 
[ 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 15.5   n/a MPO436307  

74911 (1999 TZ139)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1954-Jun-03 06:16 < 00:01 Pallas 0.0413529038129344 0.041342325860132 0.0413634828439821 14.9575047517817 14.9575045972401 2434896.761413983 0.557693860543702 624.154041995096 39.4137134705152 -32.4062198849783 84504.9877322371 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 07:14:48 2020-Aug-25 07:14
2022-Jul-21 16:04 00:01 Ceres 0.0392638784365757 0.0392631236224794 0.0392646333259479 3.07836609242775 3.0783625971761 2459782.169396857 1.18080504299776 140.173070353433 28.9580492420696 -80.244946682485 197258.663348849 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 07:14:48 2020-Aug-25 07:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 00:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin