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52490 (1995 YY5)
Classification: Main-belt Asteroid          SPK-ID: 2052490
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175214731687569 3.2066e-08  
a 2.234654834652784 6.8829e-09 au
q 1.843110387384768 7.1481e-08 au
i 3.964705459964235 3.1537e-06 deg
node 94.92550471524501 5.2473e-05 deg
peri 227.7105939041789 5.3291e-05 deg
M 198.9441994661156 1.0268e-05 deg
tp 2459546.368425249137
(2021-Nov-27.86842525)
3.5506e-05 TDB
period 1220.152471617097
3.34
5.6372e-06
1.543e-08
d
yr
n .2950450934405628 1.3631e-09 deg/d
Q 2.626199281920801 8.0889e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      8929 days (24.45 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:23:18  

Additional Information
 Earth MOID = .833312 au 
 Jupiter MOID = 2.6807 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759649947772763 3.2133e-08  
q 1.841329110977433 7.1684e-08 au
tp 2457105.655356895804
(2015-Mar-24.15535690)
3.3502e-05 TDB
node 94.97408071185542 5.2495e-05 deg
peri 227.6028162483208 5.3302e-05 deg
i 3.964381355873456 3.1533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      8929 days (24.45 yr)  
   first obs. used      1995-11-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:23:18  

Additional Information
 Jupiter MOID = 2.6807 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.032511991616001E-15 -2.296265454461134E-15 2.687432410588464E-13 3.270053634355614E-15 5.751588643285888E-14 -1.380811930140039E-16
q -2.296265454461134E-15 5.138563321638364E-15 -6.016529711305628E-13 -7.156669001823056E-15 -1.294989842609477E-13 3.587087487294444E-16
tp 2.687432410588464E-13 -6.016529711305628E-13 1.122375305159123E-9 -5.843647142844292E-13 3.221375365695444E-10 -4.116233578634912E-13
node 3.270053634355614E-15 -7.156669001823056E-15 -5.843647142844292E-13 2.755717301797819E-9 -2.749143887868486E-9 5.105728169437947E-12
peri 5.751588643285888E-14 -1.294989842609477E-13 3.221375365695444E-10 -2.749143887868486E-9 2.841091432353791E-9 -5.217330740111769E-12
i -1.380811930140039E-16 3.587087487294444E-16 -4.116233578634912E-13 5.105728169437947E-12 -5.217330740111769E-12 9.94320904616937E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO452884  

52490 (1995 YY5)          Discovered 1995-Dec-16 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 YY5 = 1998 MQ46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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