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 ]  
(2009 TM8)
Classification: Apollo [NEO]          SPK-ID: 3471520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4059803337726522 0.0066292  
a 1.550998915946815 0.019591 au
q .9213238583697055 0.0013558 au
i 2.489062790952453 0.59349 deg
node 205.4239708348492 0.40896 deg
peri 220.8295507145358 1.1381 deg
M 149.0424887758705 30.402 deg
tp 2458708.405579364741
(2019-Aug-12.90557936)
54.047 TDB
period 705.5302973826707
1.93
13.368
0.0366
d
yr
n .5102544870652671 0.0096679 deg/d
Q 2.180673973523925 0.027545 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      2 days  
   first obs. used      2009-10-15  
   last obs. used      2009-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47637  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:59:38  

Additional Information
 Earth MOID = .00103694 au 
 Jupiter MOID = 3.14739 au 
 T_jup = 4.352 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.4   n/a MPO164406  
rotation period rot_per 0.012 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Ryan, W. UNPUBLISHED]

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1983-Jan-16 09:40 8_07:09 Earth 0.156806297632348 0.0388293778114295 0.28254035877457 12.7400748182514 12.7387409909196 2445350.902993685 11949.1958823035 6323359.92337452 74.6518136188386 10.0508384937543 47449.8200139445 T 9 CATAB v2.0e-lin.ifort 2017-Nov-28 14:59:16 2018-Dec-11 15:24
2007-Sep-12 09:35 08:19 Earth 0.43714021949562 0.427250233039691 0.44703037494332 21.162518020793 21.1622299977694 2454355.899516704 498.779332734235 493364.054097677 12.9111099009634 -1.60570350514392 122492.29040821 T 9 CATAB v2.0e-lin.ifort 2017-Nov-28 14:59:16 2018-Dec-11 15:24
2009-Oct-17 03:38 < 00:01 Earth 0.00231706356230396 0.00231550903497341 0.00231861801528722 8.14393219134761 8.00148458878105 2455121.651057928 0.0280539737249135 74.6533202443084 0.643304968689881 0.145242665951059 2641.65633829146 T 9 CATAB v2.0e-lin.ifort 2017-Nov-28 14:59:16 2018-Dec-11 15:24
2009-Oct-17 13:36 < 00:01 Moon 0.00321622362473094 0.00321478335971322 0.00321766394300976 8.56612763560781 8.56493798850729 2455122.066457322 0.4028933516646 74.7289031882844 0.865192105998139 16.1149147178272 143625.799052758 T 9 CATAB v2.0e-lin.ifort 2017-Nov-28 14:59:16 2018-Dec-11 15:24
2011-Oct-17 11:42 1_17:48 Earth 0.00219355725746278 0.00119215991952208 0.0103516938206817 8.17999123761259 8.03012380052667 2455851.987533473 2508.45990256706 421652.582396186 1.45353844886031 -33.5020045632942 150566.641159248 T 9 CATAB v2.0e-lin.ifort 2017-Nov-28 14:59:16 2018-Dec-11 15:24
2011-Oct-17 12:09 1_23:52 Moon 0.00171143719600397 0.00152629723320534 0.00925848050171582 7.19946340186813 7.1968030570931 2455852.006381945 2871.93727871367 416780.179005335 1.34877756480081 63.1104648634135 176395.790560654 T 9 CATAB v2.0e-lin.ifort 2017-Nov-28 14:59:16 2018-Dec-11 15:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 04:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin