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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06670520493679169 5.6997e-08  
a 2.469354341623438 1.134e-08 au
q 2.304635554203891 1.4208e-07 au
i 6.788158364697575 5.5132e-06 deg
node 324.7669730907521 2.3778e-05 deg
peri 144.1891979224268 5.9402e-05 deg
M 60.32612426560848 4.9676e-05 deg
tp 2458762.992968770494
(2019-Oct-06.49296877)
0.00019594 TDB
period 1417.338380071709
3.88
9.7635e-06
2.673e-08
d
yr
n .2539972141174828 1.7497e-09 deg/d
Q 2.634073129042986 1.2097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:07  

Additional Information
 Earth MOID = 1.32481 au 
 Jupiter MOID = 2.42789 au 
 T_jup = 3.472 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457339.5 (2015-Nov-13.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06608724633429888 5.8091e-08  
q 2.306267295066774 1.4486e-07 au
tp 2457348.740771146239
(2015-Nov-22.24077115)
0.000198 TDB
node 324.8213585998403 2.3753e-05 deg
peri 145.0442250766017 5.9256e-05 deg
i 6.792089502153763 5.5155e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:07  

Additional Information
 Jupiter MOID = 2.42789 au 
 T_jup = 3.472 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.374609032971535E-15 -8.392823855014117E-15 9.276381860178198E-12 -4.847975700328465E-14 2.572576812335555E-12 -2.572160106850479E-15
q -8.392823855014117E-15 2.098489929706865E-14 -2.350624325751453E-11 1.207610914230546E-13 -6.515450102916763E-12 6.741766160286242E-15
tp 9.276381860178198E-12 -2.350624325751453E-11 3.92048076544855E-8 -1.601661122698252E-10 1.07531292302331E-8 -7.545070813616015E-12
node -4.847975700328465E-14 1.207610914230546E-13 -1.601661122698252E-10 5.642240444581118E-10 -6.032488257056577E-10 1.304350655919328E-11
peri 2.572576812335555E-12 -6.515450102916763E-12 1.07531292302331E-8 -6.032488257056577E-10 3.511287031840364E-9 -1.497633206743278E-11
i -2.572160106850479E-15 6.741766160286242E-15 -7.545070813616015E-12 1.304350655919328E-11 -1.497633206743278E-11 3.04202874195073E-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 15.23   n/a E2021B10  

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 27 CATAB v2.0f-lin.ifort 2020-Nov-12 23:42:10 2020-Nov-12 23:42
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 27 CATAB v2.0f-lin.ifort 2020-Nov-12 23:42:10 2020-Nov-12 23:42

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