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117166 (2004 RU6)
Classification: Main-belt Asteroid          SPK-ID: 2117166
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899111200727053 4.1719e-08  
a 3.101965531703657 2.9097e-08 au
q 2.512867783150891 1.3693e-07 au
i 19.12978839298845 6.1252e-06 deg
node 139.6707460414004 1.3077e-05 deg
peri 287.771695610105 2.3341e-05 deg
M 294.2250451127424 2.0714e-05 deg
tp 2459565.096030982964
(2021-Dec-16.59603098)
0.00011762 TDB
period 1995.509862056849
5.46
2.8077e-05
7.687e-08
d
yr
n .1804050217165722 2.5383e-09 deg/d
Q 3.691063280256424 3.4622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:26  

Additional Information
 Earth MOID = 1.60212 au 
 Jupiter MOID = 1.80421 au 
 T_jup = 3.110 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457876.5 (2017-May-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918589335790075 4.173e-08  
q 2.50687166336927 1.3736e-07 au
tp 2457556.624866645650
(2016-Jun-17.12486665)
0.00010015 TDB
node 140.1728807889269 1.3126e-05 deg
peri 285.7189910492751 2.2861e-05 deg
i 19.05376047079605 6.1231e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:26  

Additional Information
 Jupiter MOID = 1.80421 au 
 T_jup = 3.110 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741375693893862E-15 -5.649265268523247E-15 -4.650837872249739E-13 1.006121003067711E-14 -1.509664060104295E-14 1.825522779772082E-15
q -5.649265268523247E-15 1.88668617211016E-14 2.521340028430954E-12 -3.983551651544177E-14 2.49208699367145E-13 -2.251817896846097E-15
tp -4.650837872249739E-13 2.521340028430954E-12 1.002970863825919E-8 -4.604511541809738E-11 1.88446097767845E-9 1.617255791974665E-11
node 1.006121003067711E-14 -3.983551651544177E-14 -4.604511541809738E-11 1.722832984847559E-10 -1.704693500375299E-10 8.740320760689057E-12
peri -1.509664060104295E-14 2.49208699367145E-13 1.88446097767845E-9 -1.704693500375299E-10 5.226327965963588E-10 -5.462395125059619E-12
i 1.825522779772082E-15 -2.251817896846097E-15 1.617255791974665E-11 8.740320760689057E-12 -5.462395125059619E-12 3.7491976192122E-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 14.69   n/a E2021B55  
diameter diameter 6.821 km 0.847 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117166 (2004 RU6)          Discovered 2004-Sep-05 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1949-Mar-24 03:55 00:03 Jupiter 1.8614654522758 1.86146456455467 1.86146634000751 4.51655926624092 4.41466281017494 2432999.662994471 2.69675553562131 349.738844882628 32.7013015966324 -84.3701944236135 1977159.13446088 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:28 2021-Apr-13 16:51
2009-Sep-02 12:30 < 00:01 Jupiter 1.91269694938219 1.91269618070506 1.91269771805986 5.57076597212313 5.4906966360311 2455077.020580352 0.373157038160125 83.0901293114138 23.961780529397 69.0735907525565 2795635.97698397 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:28 2021-Apr-13 16:51
2019-Oct-14 19:35 < 00:01 Jupiter 1.98097377077628 1.98097301065945 1.98097453089322 3.65424131279275 3.53529657137083 2458771.316200592 0.396152408533209 122.625917184559 32.7727848043176 -87.9553727941413 1905261.37771717 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:28 2021-Apr-13 16:51
2080-Apr-18 03:26 00:02 Jupiter 1.80875645854948 1.80875583939249 1.8087570777073 5.14427155988076 5.05242020600208 2480872.643329697 2.31553041274334 333.475157370362 28.9749692307556 89.2871935590428 2532238.79337259 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:28 2021-Apr-13 16:51
2150-Dec-02 18:35 00:05 Jupiter 1.81991629925168 1.81991460685392 1.81991799171833 4.65424871154696 4.55315212704522 2506667.274250194 5.13588262451946 625.410484605833 33.969488030465 -82.1379093915048 2139116.49226118 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 16:51:28 2021-Apr-13 16:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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