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15503 (1999 RD25)
Classification: Main-belt Asteroid          SPK-ID: 2015503
[ 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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06061911718129626 2.9264e-08  
a 2.647107139785193 1.081e-08 au
q 2.486641841887109 7.7497e-08 au
i 3.552262085423524 3.6365e-06 deg
node 226.01966245376 5.9048e-05 deg
peri 35.66401084276486 6.915e-05 deg
M 113.5802891724716 3.463e-05 deg
tp 2458900.186400718938
(2020-Feb-20.68640072)		 0.00015209 TDB
period 1573.097735909686
4.31		 9.6365e-06
2.638e-08		 d
yr
n .2288478279398325 1.4019e-09 deg/d
Q 2.807572437683277 1.1466e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1784  
   data-arc span      15378 days (42.10 yr)  
   first obs. used      1978-11-30  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47887  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:02:28  

Additional Information
 Earth MOID = 1.47231 au 
 Jupiter MOID = 2.21598 au 
 T_jup = 3.387 
[ 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 14.15   n/a E2021B10  
diameter diameter 9.634 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15503 (1999 RD25)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RD25 = 1978 WU18 = 1989 GV = 1998 KJ38 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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