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JPL Small-Body Database Browser
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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0606793183750057 3.4942e-08  
a 2.649632981316492 1.2788e-08 au
q 2.488855058066274 9.6304e-08 au
i 3.551704666278944 4.8716e-06 deg
node 226.0932941892566 6.3162e-05 deg
peri 36.64154028216281 7.5607e-05 deg
M 22.00765437078794 4.2276e-05 deg
tp 2458904.195126638068
(2020-Feb-24.69512664)
0.00018493 TDB
period 1575.349822665098
4.31
1.1405e-05
3.123e-08
d
yr
n .2285206719298511 1.6544e-09 deg/d
Q 2.810410904566711 1.3564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      15125 days (41.41 yr)  
   first obs. used      1978-11-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:56  

Additional Information
 Earth MOID = 1.47444 au 
 Jupiter MOID = 2.21752 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456599.5 (2013-Nov-03.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05904230202086155 3.5453e-08  
q 2.493882231385575 9.7347e-08 au
tp 2457324.764119265584
(2015-Oct-29.26411927)
0.00018769 TDB
node 226.2479933955265 6.305e-05 deg
peri 35.19196976886349 7.5945e-05 deg
i 3.55436787485329 4.8739e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      15125 days (41.41 yr)  
   first obs. used      1978-11-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:56  

Additional Information
 Jupiter MOID = 2.21752 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.256929167006753E-15 -3.426473734847887E-15 -2.128780414415927E-12 -8.246382059006569E-15 -4.461029393081408E-13 3.608394147393701E-16
q -3.426473734847887E-15 9.476493601813706E-15 5.783695297521846E-12 2.432349548157924E-14 1.195715604192166E-12 -1.085653170143332E-15
tp -2.128780414415927E-12 5.783695297521846E-12 3.522839608115849E-8 1.421902547330748E-11 7.955527634845468E-9 5.78838194605728E-13
node -8.246382059006569E-15 2.432349548157924E-14 1.421902547330748E-11 3.975347223353774E-9 -3.964638480205656E-9 -9.990239146139571E-11
peri -4.461029393081408E-13 1.195715604192166E-12 7.955527634845468E-9 -3.964638480205656E-9 5.767674649447214E-9 9.985678103386912E-11
i 3.608394147393701E-16 -1.085653170143332E-15 5.78838194605728E-13 -9.990239146139571E-11 9.985678103386912E-11 2.375484858563154E-11

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 14.1   n/a MPO384888  
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

[ show close-approach data ]
Alternate Designations
 1999 RD25 = 1978 WU18 = 1989 GV = 1998 KJ38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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