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85697 (1998 RG68)
Classification: Main-belt Asteroid          SPK-ID: 2085697
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953391444415744 4.6078e-08  
a 2.233960527999117 8.4531e-09 au
q 1.797580589743522 1.0229e-07 au
i 4.940752427665933 5.0642e-06 deg
node 350.3483652638512 4.0572e-05 deg
peri 318.5889226805826 4.24e-05 deg
M 217.1287177732584 1.3982e-05 deg
tp 2459484.509751290990
(2021-Sep-27.00975129)
4.8237e-05 TDB
period 1219.583864224205
3.34
6.9222e-06
1.895e-08
d
yr
n .2951826525099209 1.6754e-09 deg/d
Q 2.670340466254713 1.0104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:50  

Additional Information
 Earth MOID = .786831 au 
 Jupiter MOID = 2.60016 au 
 T_jup = 3.610 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959767113094946 4.6161e-08  
q 1.795938903926709 1.0255e-07 au
tp 2457045.200278075569
(2015-Jan-22.70027808)
4.5277e-05 TDB
node 350.387879359048 4.0537e-05 deg
peri 318.5401869345761 4.2357e-05 deg
i 4.944063971687476 5.0662e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:50  

Additional Information
 Jupiter MOID = 2.60016 au 
 T_jup = 3.610 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.130841568590262E-15 -4.72362437802713E-15 1.203663647423667E-12 -7.191003929619412E-15 2.963070127815605E-13 1.302624207124784E-15
q -4.72362437802713E-15 1.051639389367002E-14 -2.672285444638952E-12 1.550731424168291E-14 -6.558772219075465E-13 -2.773929098433562E-15
tp 1.203663647423667E-12 -2.672285444638952E-12 2.04998653411011E-9 -1.262138383123109E-11 5.638508426859924E-10 -3.531323861350601E-13
node -7.191003929619412E-15 1.550731424168291E-14 -1.262138383123109E-11 1.643221497570141E-9 -1.639650404402092E-9 -8.892675592544013E-12
peri 2.963070127815605E-13 -6.558772219075465E-13 5.638508426859924E-10 -1.639650404402092E-9 1.794119325651968E-9 8.740318002975149E-12
i 1.302624207124784E-15 -2.773929098433562E-15 -3.531323861350601E-13 -8.892675592544013E-12 8.740318002975149E-12 2.566663647390435E-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 15.8   n/a MPO359340  

85697 (1998 RG68)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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