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85209 (1992 GM3)
Classification: Main-belt Asteroid          SPK-ID: 2085209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337176620009078 5.9671e-08  
a 2.442107400596619 1.2894e-08 au
q 2.115554508633725 1.4044e-07 au
i 4.723468957177257 5.8303e-06 deg
node 221.8846756634629 4.1686e-05 deg
peri 341.4379069287426 4.39e-05 deg
M 190.1456601975515 1.6358e-05 deg
tp 2459858.187690156340
(2022-Oct-05.68769016)
6.693e-05 TDB
period 1393.944768980635
3.82
1.104e-05
3.023e-08
d
yr
n .2582598737131179 2.0454e-09 deg/d
Q 2.768660292559514 1.4618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      10509 days (28.77 yr)  
   first obs. used      1992-04-04  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50517  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:58  

Additional Information
 Earth MOID = 1.11153 au 
 Jupiter MOID = 2.19587 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456935.5 (2014-Oct-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132986584103168 5.9878e-08  
q 2.118222113365979 1.4081e-07 au
tp 2457069.217028726106
(2015-Feb-15.71702873)
5.3763e-05 TDB
node 221.9351389980036 4.1666e-05 deg
peri 341.4000051167774 4.3886e-05 deg
i 4.723446395864102 5.8313e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      10509 days (28.77 yr)  
   first obs. used      1992-04-04  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50517  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:58  

Additional Information
 Jupiter MOID = 2.19587 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.585409883867227E-15 -8.411470101433489E-15 1.094073586795558E-12 -1.381925301922557E-15 2.337157489689291E-13 3.627339152575771E-16
q -8.411470101433489E-15 1.982844405701522E-14 -2.384234338642121E-12 2.533090411266208E-15 -5.057918062035881E-13 -6.999467994151229E-16
tp 1.094073586795558E-12 -2.384234338642121E-12 2.89048103307768E-9 -4.202103450456681E-12 7.466315689966729E-10 7.92670224666003E-13
node -1.381925301922557E-15 2.533090411266208E-15 -4.202103450456681E-12 1.736037250940826E-9 -1.730811657460244E-9 -6.279823659398493E-11
peri 2.337157489689291E-13 -5.057918062035881E-13 7.466315689966729E-10 -1.730811657460244E-9 1.92601586766159E-9 6.279640109954193E-11
i 3.627339152575771E-16 -6.999467994151229E-16 7.92670224666003E-13 -6.279823659398493E-11 6.279640109954193E-11 3.400451938132527E-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 15.4   n/a MPO432396  
diameter diameter 2.717 km 0.543 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85209 (1992 GM3)          Discovered 1992-Apr-04 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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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
1919-Jan-05 08:44 00:01 Iris 0.0384634119465234 0.038446616050156 0.0384802081090751 7.29381816704793 7.29381814655659 2421963.864093627 1.23508020354638 852.54252920947 45.5506170347864 10.8209303342552 24618.7271719141 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 07:40:00 2021-Feb-24 07:40

Alternate Designations
 1992 GM3 = 2001 SX260 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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