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JPL Small-Body Database Browser
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47462 (1999 XG256)
Classification: Main-belt Asteroid          SPK-ID: 2047462
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06670519121548391 6.0216e-08  
a 2.469354343739958 1.1805e-08 au
q 2.304635590061999 1.5095e-07 au
i 6.788159394838776 5.5557e-06 deg
node 324.7669608133225 2.4558e-05 deg
peri 144.1892005513643 6.1384e-05 deg
M 60.32613222004122 5.0863e-05 deg
tp 2458762.992937148130
(2019-Oct-06.49293715)		 0.00020071 TDB
period 1417.338381893941
3.88		 1.0163e-05
2.782e-08		 d
yr
n .2539972137909256 1.8214e-09 deg/d
Q 2.634073097417918 1.2592e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      8334 days (22.82 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:48:04  

Additional Information
 Earth MOID = 1.32481 au 
 Jupiter MOID = 2.42789 au 
 T_jup = 3.472 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457237.5 (2015-Aug-03.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06598199870251396 6.1378e-08  
q 2.306281447061651 1.5384e-07 au
tp 2457348.703404283470
(2015-Nov-22.20340428)		 0.00020355 TDB
node 324.8203896807294 2.4533e-05 deg
peri 145.0334771134424 6.1298e-05 deg
i 6.792193689870822 5.5579e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      8334 days (22.82 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:48:04  

Additional Information
 Jupiter MOID = 2.42789 au 
 T_jup = 3.472 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.767307692357594E-15 -9.418938757792028E-15 1.019811715712455E-11 -6.376628529653815E-14 2.853422323551437E-12 -1.707887933849488E-15
q -9.418938757792028E-15 2.366690625167761E-14 -2.590700922353654E-11 1.596554203588542E-13 -7.246442859213693E-12 4.5792728779252E-15
tp 1.019811715712455E-11 -2.590700922353654E-11 4.143259646910288E-8 -2.058127805218922E-10 1.143853943148128E-8 -4.329558153336547E-12
node -6.376628529653815E-14 1.596554203588542E-13 -2.058127805218922E-10 6.018742682521106E-10 -6.532375735097163E-10 1.000641778613662E-11
peri 2.853422323551437E-12 -7.246442859213693E-12 1.143853943148128E-8 -6.532375735097163E-10 3.757415971296497E-9 -1.109677161629608E-11
i -1.707887933849488E-15 4.5792728779252E-15 -4.329558153336547E-12 1.000641778613662E-11 -1.109677161629608E-11 3.089057565174396E-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 15.2   n/a MPO452818  

47462 (1999 XG256)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20020921/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
2081-Jul-21 00:46 00:03 Amphi 0.0291625023088488 0.0291605519348202 0.0291644616021168 1.63558270199532 1.6355825814707 2481331.532144926 2.95732615282466 966.479756703348 53.6649169596389 -85.1485443874832 80757.5797953588 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 08:48:17 2020-Feb-23 08:48
2169-Aug-24 05:41 00:05 Psych 0.0449789398028557 0.0449761595087653 0.0449817512966786 3.60384567805825 3.6038456034172 2513506.736778197 4.63976170414525 1978.12006828446 45.2869989730948 86.1857430138808 148085.589251562 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 08:48:17 2020-Feb-23 08:48

Alternate Designations
 1999 XG256 = 2001 GH10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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