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15447 (1998 XV4)
Classification: Main-belt Asteroid          SPK-ID: 2015447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047852018746483 3.9467e-08  
a 2.620640090811144 9.477e-09 au
q 2.346035789854702 1.0383e-07 au
i 2.294372778041506 4.0936e-06 deg
node 337.6318999448208 9.3504e-05 deg
peri 240.8011448755981 9.498e-05 deg
M 313.0859624935192 1.7049e-05 deg
tp 2459402.434167241971
(2021-Jul-06.93416724)
7.345e-05 TDB
period 1549.563927365386
4.24
8.4055e-06
2.301e-08
d
yr
n .2323234257344146 1.2602e-09 deg/d
Q 2.895244391767586 1.047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1971  
   data-arc span      10008 days (27.40 yr)  
   first obs. used      1993-10-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50302  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:58:44  

Additional Information
 Earth MOID = 1.33841 au 
 Jupiter MOID = 2.08125 au 
 T_jup = 3.396 
[ 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 14.02   n/a E2021B10  
diameter diameter 4.379 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15447 (1998 XV4)          Discovered 1998-Dec-12 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XV4 = 1993 UD2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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