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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0795242539873041 6.6136e-08  
a 3.167104967678973 3.3535e-08 AU
q 2.915243307824817 2.1852e-07 AU
i 9.579480980044835 7.8255e-06 deg
node 169.5029963394542 3.7752e-05 deg
peri 249.1985414697407 5.9417e-05 deg
M 46.99467321261825 4.7724e-05 deg
tp 2456731.756328358138
(2014-Mar-15.25632836)
0.00027205 JED
period 2058.695489877206
5.64
3.2698e-05
8.952e-08
d
yr
n .1748680180095371 2.7774e-09 deg/d
Q 3.418966627533127 3.6202e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      10325 days (28.27 yr)  
   first obs. used      1985-11-06  
   last obs. used      2014-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52857  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:14:45  

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 (675)
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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