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3646 Aduatiques (1985 RK4)
Classification: Main-belt Asteroid          SPK-ID: 2003646
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063425361695503 9.8057e-09  
a 2.754397207675011 9.4644e-09 au
q 2.461487622992522 2.9349e-08 au
i .5883655464651907 5.4658e-07 deg
node 10.48526005616615 3.0083e-05 deg
peri 41.32542731606968 3.0812e-05 deg
M 212.9983432239152 1.2581e-05 deg
tp 2459882.301590025374
(2022-Oct-29.80159003)
6.0049e-05 TDB
period 1669.699361164383
4.57
8.6059e-06
2.356e-08
d
yr
n .2156076766711764 1.1113e-09 deg/d
Q 3.047306792357499 1.0471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2589  
   data-arc span      15076 days (41.28 yr)  
   first obs. used      1979-05-03  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:22:18  

Additional Information
 Earth MOID = 1.47146 au 
 Jupiter MOID = 2.27349 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456944.5 (2014-Oct-14.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106338162623722 9.9042e-09  
q 2.462851375628259 2.9612e-08 au
tp 2456547.920045122503
(2013-Sep-12.42004512)
5.3338e-05 TDB
node 10.50665427741123 3.006e-05 deg
peri 42.39945920801162 3.0774e-05 deg
i .5889476109127243 5.4634e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2589  
   data-arc span      15076 days (41.28 yr)  
   first obs. used      1979-05-03  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45775  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:22:18  

Additional Information
 Jupiter MOID = 2.27349 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.80924829172664E-17 -2.809959280276023E-16 1.786862965324142E-13 -1.368687962911072E-14 4.189803426008546E-14 -1.533738973929875E-15
q -2.809959280276023E-16 8.768694297127732E-16 -3.84684265133565E-13 4.597153200984878E-14 -9.756845150832995E-14 4.172920275184797E-15
tp 1.786862965324142E-13 -3.84684265133565E-13 2.844894277266863E-9 1.532521572240181E-10 3.798564328255711E-10 8.963680233953384E-13
node -1.368687962911072E-14 4.597153200984878E-14 1.532521572240181E-10 9.035746411809046E-10 -8.748884505014071E-10 2.674634608675101E-12
peri 4.189803426008546E-14 -9.756845150832995E-14 3.798564328255711E-10 -8.748884505014071E-10 9.470568029262489E-10 -2.453139436537199E-12
i -1.533738973929875E-15 4.172920275184797E-15 8.963680233953384E-13 2.674634608675101E-12 -2.453139436537199E-12 2.984920521456419E-13

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 13.14   n/a E2021B10  
diameter diameter 6.333 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.146   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3646 Aduatiques (1985 RK4)          Discovered 1985-Sep-11 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1985 RK4 = 1979 JL = 1981 WZ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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