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15256 (1990 RD1)
Classification: Main-belt Asteroid          SPK-ID: 2015256
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07952433356060901 5.348e-08  
a 3.167104934142673 2.8948e-08 AU
q 2.91524302493846 1.6881e-07 AU
i 9.579485881138625 6.6865e-06 deg
node 169.5030203352511 3.4148e-05 deg
peri 249.1984840165752 5.4488e-05 deg
M 46.99471715866842 4.1766e-05 deg
tp 2456731.756081316889
(2014-Mar-15.25608132)
0.00023903 JED
period 2058.695457178087
5.64
2.8225e-05
7.728e-08
d
yr
n .1748680207870388 2.3975e-09 deg/d
Q 3.418966843346885 3.125e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      10704 days (29.31 yr)  
   first obs. used      1985-11-06  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51884  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:41:47  

Additional Information
 Earth MOID = 1.94368 AU 
 T_jup = 3.177 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO279676  

15256 (1990 RD1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RD1 = 1985 VU = 1996 TR27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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