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 ]  
102495 (1999 TH274)
Classification: Main-belt Asteroid          SPK-ID: 2102495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2678443142161411 5.3436e-08  
a 2.28998333312942 6.0243e-09 au
q 1.676624317700978 1.2009e-07 au
i 2.069141627766935 4.8063e-06 deg
node 212.4428001848043 7.7342e-05 deg
peri 158.1167973093236 7.7625e-05 deg
M 26.24395809377469 4.8941e-06 deg
tp 2459108.227190535576
(2020-Sep-15.72719054)
1.7145e-05 TDB
period 1265.747006930039
3.47
4.9947e-06
1.367e-08
d
yr
n .2844170264902693 1.1223e-09 deg/d
Q 2.903342348557863 7.6379e-09 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      7876 days (21.56 yr)  
   first obs. used      1999-07-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:15  

Additional Information
 Earth MOID = .675202 au 
 Jupiter MOID = 2.56462 au 
 T_jup = 3.550 
[ 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 16.62   n/a E2021B55  

102495 (1999 TH274)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 12:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin