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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06063675104343615 2.9339e-08  
a 2.648285145425289 1.0972e-08 au
q 2.487701738370106 7.7872e-08 au
i 3.551411463035761 3.6393e-06 deg
node 226.0367686866533 5.9136e-05 deg
peri 36.07131217272649 6.9203e-05 deg
M 68.310612113725 3.4654e-05 deg
tp 2458901.802753019727
(2020-Feb-22.30275302)
0.00015201 TDB
period 1574.147933762888
4.31
9.7827e-06
2.678e-08
d
yr
n .2286951513759229 1.4213e-09 deg/d
Q 2.808868552480473 1.1637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      15378 days (42.10 yr)  
   first obs. used      1978-11-30  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:24:21  

Additional Information
 Earth MOID = 1.4716 au 
 Jupiter MOID = 2.21669 au 
 T_jup = 3.386 
[ 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 14.15   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2123-Nov-20 15:04 00:03 Iris 0.01364489344178 0.0136375405595936 0.0136522712071414 4.9965989254289 4.99659884110933 2496793.128071631 3.31038810084098 997.620073447128 51.1990231040191 -68.5969105444919 37112.1192201152 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 02:24:24 2021-Feb-24 02:24
2156-Feb-25 03:42 00:05 Psych 0.0376154644445719 0.0376079419906148 0.0376229988900483 3.12937631230189 3.12937620951707 2508577.653919795 4.54156274966055 1132.47986001668 53.6059141784799 70.8413013275776 99025.8103337344 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 02:24:24 2021-Feb-24 02:24

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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