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54660 (2000 UJ1)
Classification: Amor [NEO]          SPK-ID: 2054660
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2807543002783878 4.5796e-08  
a 1.476666921097224 2.1069e-09 au
q 1.062086332920331 6.7142e-08 au
i 46.69230548222494 1.2275e-05 deg
node 223.7208330057547 4.4538e-06 deg
peri 158.0136020319015 1.0143e-05 deg
M 108.8908030140504 7.7572e-06 deg
tp 2458402.251027034606
(2018-Oct-10.75102703)
1.3896e-05 TDB
period 655.4238585083526
1.79
1.4027e-06
3.84e-09
d
yr
n .5492628858816745 1.1755e-09 deg/d
Q 1.891247509274116 2.6984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   # delay obs. used      0  
   # Doppler obs. used      3  
   data-arc span      6605 days (18.08 yr)  
   first obs. used      2000-10-19  
   last obs. used      2018-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-17 07:14:26  

Additional Information
 Earth MOID = .0873472 au 
 Jupiter MOID = 3.57544 au 
 T_jup = 4.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457002.5 (2014-Dec-11.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2808922490417991 4.5837e-08  
q 1.06209122482232 6.71e-08 au
tp 2457090.975043816170
(2015-Mar-09.47504382)
1.2514e-05 TDB
node 223.7341859673931 4.4534e-06 deg
peri 157.9618531055314 1.0133e-05 deg
i 46.68314863314667 1.2274e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      384  
   # delay obs. used      0  
   # Doppler obs. used      3  
   data-arc span      6605 days (18.08 yr)  
   first obs. used      2000-10-19  
   last obs. used      2018-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45484  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-17 07:14:26  

Additional Information
 Jupiter MOID = 3.57544 au 
 T_jup = 4.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.101049284409303E-15 -3.074970076062197E-15 3.009446752889211E-13 -1.493380739741982E-14 2.406919937788515E-13 -6.884510721112861E-14
q -3.074970076062197E-15 4.502382989135613E-15 -4.36952047391099E-13 2.166168988948977E-14 -3.50174644879696E-13 9.883885788975569E-14
tp 3.009446752889211E-13 -4.36952047391099E-13 1.566010683578123E-10 -2.134387887247127E-12 1.14547867278255E-10 3.69779818941869E-12
node -1.493380739741982E-14 2.166168988948977E-14 -2.134387887247127E-12 1.983283687082121E-11 -1.493104628038076E-11 9.632108270298998E-12
peri 2.406919937788515E-13 -3.50174644879696E-13 1.14547867278255E-10 -1.493104628038076E-11 1.026845422415878E-10 -3.763170374140553E-12
i -6.884510721112861E-14 9.883885788975569E-14 3.69779818941869E-12 9.632108270298998E-12 -3.763170374140553E-12 1.506608463854373E-10

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 17.8   n/a MPO452913  
rotation period rot_per 5.43 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Bevins, E.; McLelland, K. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

54660 (2000 UJ1)          Discovered 2000-Oct-19 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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