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85699 (1998 RX69)
Classification: Main-belt Asteroid          SPK-ID: 2085699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983403788938161 3.3112e-08  
a 2.383929536587489 7.6114e-09 au
q 1.911100049044567 8.1929e-08 au
i 2.748506979824139 4.0819e-06 deg
node 142.9861853640247 6.57e-05 deg
peri 267.3910298317359 6.6615e-05 deg
M 289.1215765532464 1.0476e-05 deg
tp 2459265.197656829620
(2021-Feb-19.69765683)
3.9446e-05 TDB
period 1344.431095173118
3.68
6.4387e-06
1.763e-08
d
yr
n .2677712537983539 1.2824e-09 deg/d
Q 2.856759024130411 9.121e-09 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:06  

Additional Information
 Earth MOID = .923985 au 
 Jupiter MOID = 2.52055 au 
 T_jup = 3.508 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457651.5 (2016-Sep-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001083248862279 3.3308e-08  
q 1.90614246220529 8.2568e-08 au
tp 2457919.620856371518
(2017-Jun-15.12085637)
3.7371e-05 TDB
node 143.1000966228641 6.585e-05 deg
peri 267.0251023799051 6.6728e-05 deg
i 2.746361995805016 4.0802e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:06  

Additional Information
 Jupiter MOID = 2.52055 au 
 T_jup = 3.508 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.109391457972574E-15 -2.744367757384872E-15 -5.434938897597621E-13 1.162681425210427E-14 -1.335153078425897E-13 -1.685458163481757E-16
q -2.744367757384872E-15 6.817445724581016E-15 1.326239778384931E-12 -2.869654221584943E-14 3.242047288841662E-13 4.861939824223197E-16
tp -5.434938897597621E-13 1.326239778384931E-12 1.396624723198844E-9 -1.818120704068688E-11 4.10698850941175E-10 3.050856652393622E-13
node 1.162681425210427E-14 -2.869654221584943E-14 -1.818120704068688E-11 4.336223221997176E-9 -4.3359050664485E-9 1.012859966388778E-10
peri -1.335153078425897E-13 3.242047288841662E-13 4.10698850941175E-10 -4.3359050664485E-9 4.452651244551142E-9 -1.010966262155941E-10
i -1.685458163481757E-16 4.861939824223197E-16 3.050856652393622E-13 1.012859966388778E-10 -1.010966262155941E-10 1.664762549107783E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO436374  

85699 (1998 RX69)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 RX69 = 2002 VP101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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