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JPL Small-Body Database Browser
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59147 (1998 XG77)
Classification: Main-belt Asteroid          SPK-ID: 2059147
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06082204619060306 3.5703e-08  
a 2.312514527126422 8.5869e-09 au
q 2.171862661741098 8.3709e-08 au
i 4.078729403238307 3.607e-06 deg
node 262.904659214043 5.9362e-05 deg
peri 216.5613474989729 6.8593e-05 deg
M 3.210772300902288 3.4193e-05 deg
tp 2458989.044022862306
(2020-May-19.54402286)
0.00012199 TDB
period 1284.47344846314
3.52
7.1543e-06
1.959e-08
d
yr
n .2802704878257596 1.5611e-09 deg/d
Q 2.453166392511746 9.1092e-09 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      7710 days (21.11 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:47:30  

Additional Information
 Earth MOID = 1.18957 au 
 Jupiter MOID = 2.59284 au 
 T_jup = 3.578 
[ 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 15.6   n/a MPO502544  

59147 (1998 XG77)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030614/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
2053-Nov-28 08:53 < 00:01 Eunom 0.0442535045646263 0.0442500087053075 0.0442570011713434 4.45069353962221 4.45069346835028 2471234.870316098 0.561071533162486 342.196337802572 40.2199339279232 60.0750029186241 142860.395296572 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:47:48 2020-Jan-29 09:47
2092-Aug-05 02:52 < 00:01 Eunom 0.0477289770617757 0.0477233981577991 0.0477345585870285 4.4347136458342 4.43471357951395 2485364.619228491 0.708064365089701 628.147028706924 40.1623759456088 63.9607075846012 159677.330495041 T 22 CATAB v2.0f-lin.ifort 2020-Jan-29 09:47:48 2020-Jan-29 09:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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