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JPL Small-Body Database Browser
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15647 (4556 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2015647
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139811405192903 5.0338e-08  
a 2.995650260664263 1.4755e-08 au
q 2.576824188254307 1.5309e-07 au
i 3.146837269014273 4.7036e-06 deg
node 43.18823102625453 8.1996e-05 deg
peri 332.5245945974384 8.2977e-05 deg
M 168.097148712827 1.3617e-05 deg
tp 2458116.213620280799
(2017-Dec-28.71362028)
6.9298e-05 TDB
period 1893.804262217214
5.18
1.3991e-05
3.831e-08
d
yr
n .1900935630900534 1.4044e-09 deg/d
Q 3.414476333074221 1.6817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1594  
   data-arc span      21766 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:13:34  

Additional Information
 Earth MOID = 1.57866 au 
 Jupiter MOID = 2.04777 au 
 T_jup = 3.237 
[ 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 13.7   n/a MPO337391  
diameter diameter 4.807 km 1.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15647 (4556 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
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
2024-Jan-23 13:39 < 00:01 Inter 0.0403689722209457 0.0403680627962557 0.0403698816938347 5.95903268726767 5.95903262641281 2460333.068557133 0.527637310791228 94.9354877431325 25.0419270598724 -65.6279978662532 221139.651372858 T 23 CATAB v2.0f-lin.ifort 2020-May-20 04:13:50 2020-May-20 04:13

Alternate Designations
 4556 P-L = 1991 RT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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