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 ]  
78699 (2002 TN172)
Classification: Main-belt Asteroid          SPK-ID: 2078699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2788018914081787 3.4417e-08  
a 3.158577413040033 2.1145e-08 au
q 2.27796005612532 1.129e-07 au
i 25.16944532859692 5.4169e-06 deg
node 205.7018113945578 9.1073e-06 deg
peri 249.9411131480206 1.2849e-05 deg
M 9.595950878183039 9.0783e-06 deg
tp 2459145.846090872737
(2020-Oct-23.34609087)
5.1431e-05 TDB
period 2050.386411475693
5.61
2.0589e-05
5.637e-08
d
yr
n .1755766610552704 1.7631e-09 deg/d
Q 4.039194769954747 2.704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1117  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1997-10-29  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:16:14  

Additional Information
 Earth MOID = 1.41314 au 
 Jupiter MOID = 1.9074 au 
 T_jup = 3.002 
[ show covariance matrix ]

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 14.0   n/a MPO412655  
diameter diameter 10.127 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78699 (2002 TN172)          Discovered 2002-Oct-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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-Apr-11 01:15 < 00:01 Jupiter 1.91652223137274 1.916521475407 1.91652298733934 6.26953403565068 6.19864024062654 2445435.552074126 0.870158080975555 153.508586992553 32.8338061145781 -83.6097584693505 2936950.62481271 T 27 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:16 2021-Feb-24 07:16
1994-Apr-13 10:00 < 00:01 Jupiter 1.99886570747954 1.9988650678499 1.99886634711043 6.61999465691494 6.5556712916007 2449455.916416780 0.562897203542966 127.659711368893 23.5982624844533 80.5243383273438 3728491.05322872 T 27 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:16 2021-Feb-24 07:16
2101-Apr-23 05:32 00:02 Jupiter 1.94157966881458 1.94157878130182 1.94158055634754 6.46146914411308 6.3935963950449 2488546.730240717 2.08095720847453 391.854503918452 25.3121528939681 84.8421211569708 3440144.99795899 T 27 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:16 2021-Feb-24 07:16

Alternate Designations
 2002 TN172 = 1999 GN63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-07 12:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin