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 ]  
102144 (1999 RA188)
Classification: Main-belt Asteroid          SPK-ID: 2102144
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154509683699304 5.2224e-08  
a 2.465556283347412 1.5188e-08 au
q 2.084603961864572 1.3249e-07 au
i 6.873694376708868 5.6862e-06 deg
node 1.296179591478059 5.0532e-05 deg
peri 336.7215837807291 5.4917e-05 deg
M 187.0053214932812 2.5399e-05 deg
tp 2459880.018134829804
(2022-Oct-27.51813483)
0.00010322 TDB
period 1414.06967341616
3.87
1.3066e-05
3.577e-08
d
yr
n .2545843438748667 2.3524e-09 deg/d
Q 2.846508604830253 1.7535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:34  

Additional Information
 Earth MOID = 1.07612 au 
 Jupiter MOID = 2.54231 au 
 T_jup = 3.461 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456513.5 (2013-Aug-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559381588425194 5.2432e-08  
q 2.080147476947129 1.3318e-07 au
tp 2457050.649720971453
(2015-Jan-28.14972097)
8.942e-05 TDB
node 1.36254934510321 5.0458e-05 deg
peri 336.4479638002254 5.4737e-05 deg
i 6.881841938812369 5.6896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:34  

Additional Information
 Jupiter MOID = 2.54231 au 
 T_jup = 3.461 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.749135543480075E-15 -6.952911655181245E-15 2.395302660381168E-13 1.242072244714457E-14 -2.432515578534714E-14 -2.90022420654455E-15
q -6.952911655181245E-15 1.773756879579113E-14 -1.712235584400312E-13 -3.003594960730558E-14 1.500195051096089E-13 7.532106837775754E-15
tp 2.395302660381168E-13 -1.712235584400312E-13 7.995990188071943E-9 3.962510667500449E-11 1.929822031255898E-9 -4.348591231112159E-12
node 1.242072244714457E-14 -3.003594960730558E-14 3.962510667500449E-11 2.546021942395632E-9 -2.517570822798258E-9 3.971517754450628E-11
peri -2.432515578534714E-14 1.500195051096089E-13 1.929822031255898E-9 -2.517570822798258E-9 2.996115235056734E-9 -4.049114758292812E-11
i -2.90022420654455E-15 7.532106837775754E-15 -4.348591231112159E-12 3.971517754450628E-11 -4.049114758292812E-11 3.237106808008573E-11

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 15.96   n/a E2021B55  

102144 (1999 RA188)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RA188 = 2003 SR129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 12:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin