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 ]  
100950 (1998 PA)
Classification: Main-belt Asteroid          SPK-ID: 2100950
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985331373006506 4.0813e-08  
a 2.386633061171489 1.0058e-08 au
q 1.912807311951658 9.7819e-08 au
i 3.459770951710131 4.5712e-06 deg
node 155.8395565439411 6.9748e-05 deg
peri 191.5248318432907 7.0474e-05 deg
M .2691484992877272 1.2464e-05 deg
tp 2459199.493146306821
(2020-Dec-15.99314631)
4.6622e-05 TDB
period 1346.718746356742
3.69
8.5132e-06
2.331e-08
d
yr
n .2673163947363936 1.6898e-09 deg/d
Q 2.860458810391321 1.2055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      8135 days (22.27 yr)  
   first obs. used      1998-08-01  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:30  

Additional Information
 Earth MOID = .904316 au 
 Jupiter MOID = 2.55957 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973247938966461 4.0539e-08  
q 1.916735777377854 9.6978e-08 au
tp 2456505.279137349758
(2013-Jul-31.77913735)
4.0957e-05 TDB
node 155.8954687764406 6.9904e-05 deg
peri 191.5077099318656 7.0645e-05 deg
i 3.453812828951487 4.5649e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      8135 days (22.27 yr)  
   first obs. used      1998-08-01  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5676  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:30  

Additional Information
 Jupiter MOID = 2.55957 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.643384148780752E-15 -3.917966896625028E-15 3.484600056004949E-13 1.49174204700508E-14 6.515195965463217E-14 -5.280883026988249E-16
q -3.917966896625028E-15 9.404689441174621E-15 -7.66512982181614E-13 -3.684875554585301E-14 -1.357018550524772E-13 1.253975563815423E-15
tp 3.484600056004949E-13 -7.66512982181614E-13 1.677482269214304E-9 5.746187705282962E-12 4.341760758444432E-10 -4.694355020722208E-14
node 1.49174204700508E-14 -3.684875554585301E-14 5.746187705282962E-12 4.886605003150709E-9 -4.876156276802119E-9 6.132740854788805E-11
peri 6.515195965463217E-14 -1.357018550524772E-13 4.341760758444432E-10 -4.876156276802119E-9 4.990783567289813E-9 -6.122431664503357E-11
i -5.280883026988249E-16 1.253975563815423E-15 -4.694355020722208E-14 6.132740854788805E-11 -6.122431664503357E-11 2.0838737003558E-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 16.13   n/a E2021B55  

100950 (1998 PA)          Discovered 1998-Aug-01 by Visnjan at Visnjan
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 PA = 2002 RF104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 17:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin