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 ]  
74841 (1999 TH36)
Classification: Main-belt Asteroid          SPK-ID: 2074841
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0748658021665119 4.6916e-08  
a 2.255887330497966 8.1382e-09 au
q 2.086998515902965 1.0795e-07 au
i 10.38044051799576 5.5208e-06 deg
node 304.849821758971 2.1936e-05 deg
peri 153.5686000775412 4.1824e-05 deg
M 321.6932547699766 3.6023e-05 deg
tp 2459132.188329070604
(2020-Oct-09.68832907)
0.00012408 TDB
period 1237.583568657276
3.39
6.6969e-06
1.834e-08
d
yr
n .2908894470783774 1.5741e-09 deg/d
Q 2.424776145092967 8.7474e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:09:28  

Additional Information
 Earth MOID = 1.10825 au 
 Jupiter MOID = 2.67673 au 
 T_jup = 3.598 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457185.5 (2015-Jun-12.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07446076935884464 4.6616e-08  
q 2.087969187539359 1.0718e-07 au
tp 2456654.742961879422
(2013-Dec-28.24296188)
0.00012132 TDB
node 304.9210272815389 2.1949e-05 deg
peri 152.9643614887182 4.2168e-05 deg
i 10.37623378149272 5.5198e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      1999-07-23  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:09:28  

Additional Information
 Jupiter MOID = 2.67673 au 
 T_jup = 3.598 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.173010989368488E-15 -4.98461520784084E-15 1.891754331934806E-12 -8.782933253356023E-15 6.315657328137E-13 -5.905038483109009E-16
q -4.98461520784084E-15 1.148801691367244E-14 -4.031147287231808E-12 1.906992273092806E-14 -1.356421609425821E-12 1.79533027760661E-15
tp 1.891754331934806E-12 -4.031147287231808E-12 1.471931653319082E-8 -3.628137894069685E-11 4.375519199374126E-9 7.208511866838861E-12
node -8.782933253356023E-15 1.906992273092806E-14 -3.628137894069685E-11 4.817482595709081E-10 -4.840762157260488E-10 3.76462227359257E-11
peri 6.315657328137E-13 -1.356421609425821E-12 4.375519199374126E-9 -4.840762157260488E-10 1.778112757867113E-9 -3.500552344133854E-11
i -5.905038483109009E-16 1.79533027760661E-15 7.208511866838861E-12 3.76462227359257E-11 -3.500552344133854E-11 3.046868654422268E-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 14.8   n/a MPO341160  

74841 (1999 TH36)          Discovered 1999-Oct-11 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 05:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin