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 ]  
100825 (1998 FW145)
Classification: Main-belt Asteroid          SPK-ID: 2100825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042660465343668 5.8318e-08  
a 2.315321835014581 1.6852e-08 au
q 1.842380197321457 1.4089e-07 au
i 5.350290850794677 6.0023e-06 deg
node 74.03436876604604 7.8253e-05 deg
peri 161.343879513022 8.0739e-05 deg
M 68.8335496795827 2.5098e-05 deg
tp 2458754.455793358281
(2019-Sep-27.95579336)
8.8024e-05 TDB
period 1286.813113711787
3.52
1.4049e-05
3.846e-08
d
yr
n .2797609040224862 3.0544e-09 deg/d
Q 2.788263472707705 2.0295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:34:52  

Additional Information
 Earth MOID = .831627 au 
 Jupiter MOID = 2.21481 au 
 T_jup = 3.548 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456350.5 (2013-Feb-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046163357774915 5.8263e-08  
q 1.841472613184459 1.4056e-07 au
tp 2456180.971036906817
(2012-Sep-10.47103691)
7.411e-05 TDB
node 74.08663474261373 7.8178e-05 deg
peri 161.4067933921867 8.0649e-05 deg
i 5.353150837458672 6.0055e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7715 days (21.12 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71149  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:34:52  

Additional Information
 Jupiter MOID = 2.21481 au 
 T_jup = 3.548 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.394608554932028E-15 -8.158622923571142E-15 -1.439561762999694E-12 4.539111877808732E-14 -3.633694472681942E-13 -4.466523442489579E-15
q -8.158622923571142E-15 1.975591737096284E-14 3.67590964192216E-12 -1.121607678065391E-13 9.372753771445105E-13 1.168402713623085E-14
tp -1.439561762999694E-12 3.67590964192216E-12 5.492317558049152E-9 -3.867704128790039E-11 1.524587079256746E-9 1.207025818455117E-11
node 4.539111877808732E-14 -1.121607678065391E-13 -3.867704128790039E-11 6.111808180343027E-9 -6.094888137302158E-9 -1.500908167614459E-12
peri -3.633694472681942E-13 9.372753771445105E-13 1.524587079256746E-9 -6.094888137302158E-9 6.504200394111511E-9 4.78043088862089E-12
i -4.466523442489579E-15 1.168402713623085E-14 1.207025818455117E-11 -1.500908167614459E-12 4.78043088862089E-12 3.606571535579277E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO474882  

100825 (1998 FW145)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 FW145 = 2002 KG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-28 00:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin