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86918 (2000 HY54)
Classification: Main-belt Asteroid          SPK-ID: 2086918
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931371330357916 6.264e-08  
a 2.393170546598178 1.3976e-08 au
q 1.930960448362508 1.4595e-07 au
i 3.123358934570132 5.3658e-06 deg
node 55.68175697327536 0.0001356 deg
peri 248.2229207517234 0.00013723 deg
M 95.93704059320584 1.8328e-05 deg
tp 2458640.134905923010
(2019-Jun-05.63490592)
6.9571e-05 TDB
period 1352.25594895934
3.70
1.1846e-05
3.243e-08
d
yr
n .2662217905397616 2.3321e-09 deg/d
Q 2.855380644833848 1.6675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1996-03-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:20:53  

Additional Information
 Earth MOID = .918407 au 
 Jupiter MOID = 2.3854 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932153761810119 6.2581e-08  
q 1.930505412342008 1.4587e-07 au
tp 2457289.016662998065
(2015-Sep-23.51666300)
7.365e-05 TDB
node 55.68958409854118 0.00013557 deg
peri 248.4646503124494 0.0001372 deg
i 3.124295139107892 5.3677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1996-03-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:20:53  

Additional Information
 Jupiter MOID = 2.3854 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.916418238900874E-15 -9.104616727558315E-15 1.280498686005709E-12 4.545691493750888E-14 3.009098476074941E-13 -9.4085900781396E-15
q -9.104616727558315E-15 2.127859601763302E-14 -3.41843669048161E-12 -1.126288154981617E-13 -8.321817707325453E-13 2.238400507771535E-14
tp 1.280498686005709E-12 -3.41843669048161E-12 5.424368581324219E-9 7.831601372639508E-11 1.608666052404991E-9 -8.947639793241705E-12
node 4.545691493750888E-14 -1.126288154981617E-13 7.831601372639508E-11 1.837905807603452E-8 -1.832921905389401E-8 -2.172811892908575E-10
peri 3.009098476074941E-13 -8.321817707325453E-13 1.608666052404991E-9 -1.832921905389401E-8 1.882285012069931E-8 2.14397785976006E-10
i -9.4085900781396E-15 2.238400507771535E-14 -8.947639793241705E-12 -2.172811892908575E-10 2.14397785976006E-10 2.881189283292635E-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 16.4   n/a MPO449539  

86918 (2000 HY54)          Discovered 2000-Apr-29 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2000 HY54 = 2001 UG160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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