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90810 (1995 DY2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2090810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .097628157921115 3.8305e-08  
a 1.909973691773859 6.642e-09 au
q 1.723506478568186 7.2729e-08 au
i 19.16419981074521 8.1039e-06 deg
node 224.9418352783474 8.5226e-06 deg
peri 245.3268100914608 4.748e-05 deg
M 33.00523672497023 4.575e-05 deg
tp 2459308.106596560191
(2021-Apr-03.60659656)
0.00012264 TDB
period 964.1386760379254
2.64
5.0293e-06
1.377e-08
d
yr
n .3733902694158066 1.9477e-09 deg/d
Q 2.096440904979533 7.2905e-09 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      10744 days (29.42 yr)  
   first obs. used      1991-09-14  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:39:04  

Additional Information
 Earth MOID = .796137 au 
 Jupiter MOID = 3.09707 au 
 T_jup = 3.863 
[ 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 17.35   n/a MPCxxxxx  

90810 (1995 DY2)          Discovered 1995-Feb-24 by McNaught, R. H. at Siding Spring
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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