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 ]  
70551 (1999 TR138)
Classification: Main-belt Asteroid          SPK-ID: 2070551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063090808898008 6.5142e-08  
a 2.523040383682662 1.2186e-08 au
q 2.254818279445508 1.6688e-07 au
i 12.94796276036955 5.3668e-06 deg
node 206.7266702333593 1.7506e-05 deg
peri 2.979024391970212 3.6897e-05 deg
M 324.9478074004866 3.7879e-05 deg
tp 2459539.027090023460
(2021-Nov-20.52709002)
0.00015414 TDB
period 1463.810067309681
4.01
1.0605e-05
2.903e-08
d
yr
n .2459335456420516 1.7817e-09 deg/d
Q 2.791262487919816 1.3481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      10781 days (29.52 yr)  
   first obs. used      1991-10-03  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:44:26  

Additional Information
 Earth MOID = 1.25059 au 
 Jupiter MOID = 2.16976 au 
 T_jup = 3.412 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457358.5 (2015-Dec-02.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066228090009099 6.5042e-08  
q 2.253718430857466 1.6655e-07 au
tp 2458077.327640791883
(2017-Nov-19.82764079)
0.00015381 TDB
node 206.7491825038902 1.7499e-05 deg
peri 3.415449475399029 3.7006e-05 deg
i 12.95056564095909 5.3685e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      10781 days (29.52 yr)  
   first obs. used      1991-10-03  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:44:26  

Additional Information
 Jupiter MOID = 2.16976 au 
 T_jup = 3.412 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.230401062875065E-15 -1.081056915932287E-14 -6.278541176566302E-12 -4.742908081391647E-15 -1.260762814397373E-12 -1.586037535958111E-14
q -1.081056915932287E-14 2.77392864001324E-14 1.589685183477491E-11 1.052916746950863E-14 3.178833321380008E-12 4.064695669901015E-14
tp -6.278541176566302E-12 1.589685183477491E-11 2.365684261090513E-8 1.682772722027845E-11 5.020924295492508E-9 4.759424628559028E-11
node -4.742908081391647E-15 1.052916746950863E-14 1.682772722027845E-11 3.062292321971894E-10 -2.945316003245371E-10 -3.742192765323108E-12
peri -1.260762814397373E-12 3.178833321380008E-12 5.020924295492508E-9 -2.945316003245371E-10 1.369457300019557E-9 1.377253056056097E-11
i -1.586037535958111E-14 4.064695669901015E-14 4.759424628559028E-11 -3.742192765323108E-12 1.377253056056097E-11 2.882053467412992E-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 15.21   n/a MPCxxxxx  

70551 (1999 TR138)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TR138 = 1995 US22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-05 10:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin