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 ]  
487834 (2015 TN77)
Classification: Main-belt Asteroid          SPK-ID: 2487834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07784218192106092 6.7924e-08  
a 2.807937493486844 3.3426e-08 au
q 2.589361512295873 1.8958e-07 au
i 3.142274070173459 6.4067e-06 deg
node 200.5895411633795 0.00011512 deg
peri 105.0156161388923 0.00012259 deg
M 123.2673595912677 3.9967e-05 deg
tp 2458612.028853949197
(2019-May-08.52885395)
0.00019115 TDB
period 1718.618888899252
4.71
3.0688e-05
8.402e-08
d
yr
n .2094705244573299 3.7404e-09 deg/d
Q 3.026513474677814 3.6028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      6055 days (16.58 yr)  
   first obs. used      2004-05-13  
   last obs. used      2020-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:33:06  

Additional Information
 Earth MOID = 1.57466 au 
 Jupiter MOID = 2.14198 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457700.5 (2016-Nov-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07996200756942218 6.7501e-08  
q 2.582062923169341 1.8881e-07 au
tp 2456895.562652145156
(2014-Aug-26.06265215)
0.00019051 TDB
node 200.6278911186558 0.00011501 deg
peri 105.3265838561797 0.00012215 deg
i 3.143271306086068 6.4148e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      6055 days (16.58 yr)  
   first obs. used      2004-05-13  
   last obs. used      2020-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:33:06  

Additional Information
 Jupiter MOID = 2.14198 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.556359775883988E-15 -1.257664138969872E-14 -4.898122126996829E-13 -3.362556159990273E-14 -2.416862296948097E-13 -3.303017573782556E-15
q -1.257664138969872E-14 3.565084249415998E-14 6.998022366951371E-14 9.622594830842025E-14 4.843093598459013E-13 9.66012005243185E-15
tp -4.898122126996829E-13 6.998022366951371E-14 3.629240786639863E-8 -6.517873767212125E-12 7.855500166689594E-9 -4.959690106993145E-12
node -3.362556159990273E-14 9.622594830842025E-14 -6.517873767212125E-12 1.322732632145545E-8 -1.320672290022309E-8 -1.236743165141331E-10
peri -2.416862296948097E-13 4.843093598459013E-13 7.855500166689594E-9 -1.320672290022309E-8 1.492090882088306E-8 1.225826609855975E-10
i -3.303017573782556E-15 9.66012005243185E-15 -4.959690106993145E-12 -1.236743165141331E-10 1.225826609855975E-10 4.114940481632734E-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 16.9   n/a MPO446847  

487834 (2015 TN77)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TN77 = 2010 TA21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-02 00:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin