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27266 (1999 YH)
Classification: Inner Main-belt Asteroid          SPK-ID: 2027266
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08134737808783374 3.1484e-08  
a 1.919485462478658 5.7065e-09 au
q 1.763340352828306 6.159e-08 au
i 23.91739836691318 4.2001e-06 deg
node 116.0635194837116 9.3153e-06 deg
peri 67.55941406857823 2.9145e-05 deg
M 150.5847246226386 2.7087e-05 deg
tp 2458594.193204397830
(2019-Apr-20.69320440)
7.2871e-05 TDB
period 971.3498283662639
2.66
4.3317e-06
1.186e-08
d
yr
n .3706182772539245 1.6527e-09 deg/d
Q 2.07563057212901 6.1707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      25725 days (70.43 yr)  
   first obs. used      1950-05-21  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:24:13  

Additional Information
 Earth MOID = .84249 au 
 Jupiter MOID = 3.04959 au 
 T_jup = 3.818 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457125.5 (2015-Apr-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08106022649884258 3.1488e-08  
q 1.764014401102932 6.1561e-08 au
tp 2456651.211215370852
(2013-Dec-24.71121537)
7.2701e-05 TDB
node 116.0905532768432 9.3164e-06 deg
peri 67.53957048454636 2.924e-05 deg
i 23.91547804858148 4.1999e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      25725 days (70.43 yr)  
   first obs. used      1950-05-21  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:24:13  

Additional Information
 Jupiter MOID = 3.04959 au 
 T_jup = 3.818 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.914627264497749E-16 -1.931642649665154E-15 4.187828594385913E-13 1.992243118579976E-15 1.525910387612358E-13 -4.293756775704146E-15
q -1.931642649665154E-15 3.789760569369449E-15 -8.074782705277861E-13 -4.088845195090191E-15 -2.908732637411758E-13 8.857121790511206E-15
tp 4.187828594385913E-13 -8.074782705277861E-13 5.285493946612748E-9 -8.248295225180168E-12 2.02387676323164E-9 5.092481871046813E-12
node 1.992243118579976E-15 -4.088845195090191E-15 -8.248295225180168E-12 8.679577562707609E-11 -8.215990504288101E-11 -1.049485982740238E-11
peri 1.525910387612358E-13 -2.908732637411758E-13 2.02387676323164E-9 -8.215990504288101E-11 8.549824887865964E-10 1.146763673297176E-11
i -4.293756775704146E-15 8.857121790511206E-15 5.092481871046813E-12 -1.049485982740238E-11 1.146763673297176E-11 1.76387760673486E-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 15.5   n/a MPO474123  

27266 (1999 YH)          Discovered 1999-Dec-16 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 YH = 1998 KF56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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