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79309 (1995 YH21)
Classification: Main-belt Asteroid          SPK-ID: 2079309
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538493921414395 5.7818e-08  
a 2.38282262644237 1.0369e-08 au
q 2.016226813783343 1.3788e-07 au
i 7.16695408151213 5.0956e-06 deg
node 72.91421799398729 3.8149e-05 deg
peri 353.2463356894898 4.2416e-05 deg
M 238.4471979342252 1.7575e-05 deg
tp 2459454.126559126905
(2021-Aug-27.62655913)
6.6624e-05 TDB
period 1343.494831137811
3.68
8.7691e-06
2.401e-08
d
yr
n .2679578600947162 1.749e-09 deg/d
Q 2.749418439101397 1.1964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      8567 days (23.46 yr)  
   first obs. used      1995-12-19  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:39:17  

Additional Information
 Earth MOID = 1.03027 au 
 Jupiter MOID = 2.54356 au 
 T_jup = 3.511 
[ show covariance matrix ]

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 MPO337853  

79309 (1995 YH21)          Discovered 1995-Dec-19 by NEAT at Haleakala
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1995 YH21 = 2000 AE133 = 2002 RE231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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