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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337387148173129 5.9995e-08  
a 2.442146400819257 1.328e-08 au
q 2.115536879777963 1.4103e-07 au
i 4.723479894385449 5.8406e-06 deg
node 221.8846690622008 4.3201e-05 deg
peri 341.4927375033799 4.5446e-05 deg
M 138.4228880356867 1.6126e-05 deg
tp 2458464.504214207880
(2018-Dec-12.00421421)
5.9861e-05 TDB
period 1393.978160861784
3.82
1.137e-05
3.113e-08
d
yr
n .2582536872582288 2.1065e-09 deg/d
Q 2.768755921860552 1.5056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      10430 days (28.56 yr)  
   first obs. used      1992-04-04  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:43  

Additional Information
 Earth MOID = 1.11235 au 
 Jupiter MOID = 2.19691 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456697.5 (2014-Feb-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334878491426005 6.0172e-08  
q 2.117518634759114 1.4167e-07 au
tp 2457069.009999105487
(2015-Feb-15.50999911)
5.4316e-05 TDB
node 221.9867192754306 4.3164e-05 deg
peri 341.3229819225286 4.5408e-05 deg
i 4.724352269359877 5.842e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      10430 days (28.56 yr)  
   first obs. used      1992-04-04  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:01:43  

Additional Information
 Jupiter MOID = 2.19691 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.620636739854563E-15 -8.503532899116592E-15 1.056716925645153E-12 3.115399362809038E-15 2.141998072847605E-13 2.409495789691509E-16
q -8.503532899116592E-15 2.00703818976769E-14 -2.318828969481133E-12 -6.961325992040299E-15 -4.681827427643663E-13 -5.280652569947122E-16
tp 1.056716925645153E-12 -2.318828969481133E-12 2.950188037129788E-9 -3.474206395719926E-12 7.705769352703615E-10 8.47733012604268E-13
node 3.115399362809038E-15 -6.961325992040299E-15 -3.474206395719926E-12 1.863124294447022E-9 -1.857340125534054E-9 -5.991862304293439E-11
peri 2.141998072847605E-13 -4.681827427643663E-13 7.705769352703615E-10 -1.857340125534054E-9 2.061891795711267E-9 5.992560544236757E-11
i 2.409495789691509E-16 -5.280652569947122E-16 8.47733012604268E-13 -5.991862304293439E-11 5.992560544236757E-11 3.412905793128373E-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

[ 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
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 20 CATAB v2.0f-lin.ifort 2020-Nov-12 21:01:46 2020-Nov-12 21:01

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