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 ]  
129842 (1999 RT25)
Classification: Main-belt Asteroid          SPK-ID: 2129842
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2639536037158653 4.2723e-08  
a 2.584129467036185 1.3048e-08 au
q 1.902039181743626 1.0818e-07 au
i 4.35211603833933 7.7478e-06 deg
node 199.4024190210154 8.0857e-05 deg
peri 134.3254801281458 8.3435e-05 deg
M 9.636571763616661 1.9972e-05 deg
tp 2458959.884679128443
(2020-Apr-20.38467913)
8.3964e-05 TDB
period 1517.294310925472
4.15
1.1492e-05
3.146e-08
d
yr
n .23726444988805 1.797e-09 deg/d
Q 3.266219752328744 1.6492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7721 days (21.14 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:45:56  

Additional Information
 Earth MOID = .895302 au 
 Jupiter MOID = 2.14204 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457451.5 (2016-Mar-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2646144446683198 4.2851e-08  
q 1.900316570006469 1.0864e-07 au
tp 2457444.045902818836
(2016-Feb-25.54590282)
7.6863e-05 TDB
node 199.4390714771682 8.0795e-05 deg
peri 134.5899533080005 8.3371e-05 deg
i 4.353998674727176 7.7524e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7721 days (21.14 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:45:56  

Additional Information
 Jupiter MOID = 2.14204 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.836220383216026E-15 -4.639530263704279E-15 1.229875887678676E-12 -3.86874271380953E-14 3.494763665906812E-13 6.214741279329274E-16
q -4.639530263704279E-15 1.180296194669454E-14 -2.772739924651938E-12 9.330132157728262E-14 -7.989575030746106E-13 -8.860943899239733E-16
tp 1.229875887678676E-12 -2.772739924651938E-12 5.907894907502143E-9 -1.284231874850181E-10 1.626813082129887E-9 3.191003464237574E-13
node -3.86874271380953E-14 9.330132157728262E-14 -1.284231874850181E-10 6.527880021590742E-9 -6.539509241294864E-9 3.064776475514466E-10
peri 3.494763665906812E-13 -7.989575030746106E-13 1.626813082129887E-9 -6.539509241294864E-9 6.950793024092118E-9 -3.054480134415209E-10
i 6.214741279329274E-16 -8.860943899239733E-16 3.191003464237574E-13 3.064776475514466E-10 -3.054480134415209E-10 6.010000781171238E-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 16.6   n/a MPO432777  

129842 (1999 RT25)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 RT25 = 2003 QQ76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 21:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin