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78481 (2002 RY53)
Classification: Main-belt Asteroid          SPK-ID: 2078481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143787308742155 3.7222e-08  
a 3.100063321302951 2.1975e-08 au
q 2.745482012982614 1.1415e-07 au
i 2.903407341768335 4.1207e-06 deg
node 82.24097553599215 9.9318e-05 deg
peri 198.3826858886232 0.00010218 deg
M 148.8530669604019 2.5934e-05 deg
tp 2458176.153951540130
(2018-Feb-26.65395154)
0.00014199 TDB
period 1993.67459136397
5.46
2.1198e-05
5.804e-08
d
yr
n .1805710929754621 1.92e-09 deg/d
Q 3.454644629623288 2.4488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      10641 days (29.13 yr)  
   first obs. used      1991-09-04  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:41  

Additional Information
 Earth MOID = 1.72922 au 
 Jupiter MOID = 1.66684 au 
 T_jup = 3.210 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO272995  
diameter diameter 5.891 km 1.608 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78481 (2002 RY53)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RY53 = 2000 EB79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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