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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133612267624337 5.9579e-08  
a 2.442456676232498 1.2837e-08 au
q 2.116114501146873 1.4025e-07 au
i 4.722991740558363 5.8152e-06 deg
node 221.8835932070398 4.1578e-05 deg
peri 341.3852157684935 4.38e-05 deg
M 240.8197944304412 1.6635e-05 deg
tp 2459858.072960976315
(2022-Oct-05.57296098)
6.6962e-05 TDB
period 1394.243827298078
3.82
1.0992e-05
3.009e-08
d
yr
n .2582044782637829 2.0356e-09 deg/d
Q 2.768798851318123 1.4552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      10541 days (28.86 yr)  
   first obs. used      1992-04-04  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:51  

Additional Information
 Earth MOID = 1.11365 au 
 Jupiter MOID = 2.19469 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329659382777016 5.9789e-08  
q 2.118215514248106 1.4058e-07 au
tp 2457069.233609987711
(2015-Feb-15.73360999)
5.3734e-05 TDB
node 221.934028573744 4.1553e-05 deg
peri 341.4063511340887 4.3777e-05 deg
i 4.723496899783282 5.8168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      10541 days (28.86 yr)  
   first obs. used      1992-04-04  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:11:51  

Additional Information
 Jupiter MOID = 2.19469 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.574706957065159E-15 -8.385048003997634E-15 1.099647475013389E-12 -1.374205192984282E-15 2.351301955328222E-13 3.429872189543156E-16
q -8.385048003997634E-15 1.976273438028167E-14 -2.398554026177414E-12 2.51939817408686E-15 -5.092894691566881E-13 -6.445833525365836E-16
tp 1.099647475013389E-12 -2.398554026177414E-12 2.88734160618203E-9 -4.008290713618471E-12 7.457636139658502E-10 7.525943340513081E-13
node -1.374205192984282E-15 2.51939817408686E-15 -4.008290713618471E-12 1.726690001074197E-9 -1.721448105963346E-9 -6.167890071184753E-11
peri 2.351301955328222E-13 -5.092894691566881E-13 7.457636139658502E-10 -1.721448105963346E-9 1.916454821238657E-9 6.167123750110108E-11
i 3.429872189543156E-16 -6.445833525365836E-16 7.525943340513081E-13 -6.167890071184753E-11 6.167123750110108E-11 3.383506468916419E-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 15.41   n/a MPCxxxxx  
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 23 CATAB v2.0f-lin.ifort 2021-Apr-13 14:11:53 2021-Apr-13 14:11

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