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 ]  
85767 (1998 TG28)
Classification: Main-belt Asteroid          SPK-ID: 2085767
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07386855070960054 3.5564e-08  
a 3.066000222613548 2.4337e-08 au
q 2.839519229693773 1.1413e-07 au
i 12.3912966737006 5.4081e-06 deg
node 27.1879567484951 1.9199e-05 deg
peri 67.40754133235839 4.5043e-05 deg
M 312.9255479311576 3.9976e-05 deg
tp 2459256.912665208384
(2021-Feb-11.41266521)
0.00021846 TDB
period 1960.905659401509
5.37
2.3348e-05
6.392e-08
d
yr
n .1835886383794089 2.1859e-09 deg/d
Q 3.292481215533324 2.6135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:52  

Additional Information
 Earth MOID = 1.88325 au 
 Jupiter MOID = 1.91178 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457247.5 (2015-Aug-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06999324099327776 3.5532e-08  
q 2.85193816599934 1.135e-07 au
tp 2457294.519696579708
(2015-Sep-29.01969658)
0.00022843 TDB
node 27.24039817643505 1.9202e-05 deg
peri 67.40264083351516 4.7348e-05 deg
i 12.39068082710055 5.4082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-10-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:52  

Additional Information
 Jupiter MOID = 1.91178 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.262511405512981E-15 -3.952384528232737E-15 5.573486776610086E-13 5.022662807615106E-15 1.237850219872287E-13 -5.08633772215926E-15
q -3.952384528232737E-15 1.288321869312266E-14 -1.074428200054994E-12 -1.67092402263315E-14 -2.632428329294125E-13 1.805544456624368E-14
tp 5.573486776610086E-13 -1.074428200054994E-12 5.218005853510914E-8 3.143016062410271E-11 9.903259768911402E-9 -1.361758786706988E-11
node 5.022662807615106E-15 -1.67092402263315E-14 3.143016062410271E-11 3.687262925032502E-10 -3.539295700387524E-10 -2.062991258261202E-11
peri 1.237850219872287E-13 -2.632428329294125E-13 9.903259768911402E-9 -3.539295700387524E-10 2.24183039518162E-9 1.749301775833891E-11
i -5.08633772215926E-15 1.805544456624368E-14 -1.361758786706988E-11 -2.062991258261202E-11 1.749301775833891E-11 2.924863220926502E-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 14.4   n/a MPO493477  
diameter diameter 3.528 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85767 (1998 TG28)          Discovered 1998-Oct-15 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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 2020-Dec-02 07:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin