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173163 (1996 XP12)
Classification: Main-belt Asteroid          SPK-ID: 2173163
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885328576349394 4.7678e-08  
a 2.357670225296365 9.2518e-09 au
q 1.91317192036043 1.1062e-07 au
i 4.72059977283385 4.6493e-06 deg
node 310.3905858431573 6.1393e-05 deg
peri 121.7636663041396 6.3093e-05 deg
M 167.3654935336837 1.3426e-05 deg
tp 2458385.767128147271
(2018-Sep-24.26712815)
4.8364e-05 TDB
period 1322.278739747768
3.62
7.7831e-06
2.131e-08
d
yr
n .2722572701037845 1.6026e-09 deg/d
Q 2.8021685302323 1.0996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      8576 days (23.48 yr)  
   first obs. used      1996-12-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:24:27  

Additional Information
 Earth MOID = .932954 au 
 Jupiter MOID = 2.47877 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883016507007582 4.7558e-08  
q 1.91422900716906 1.1022e-07 au
tp 2457064.625481704638
(2015-Feb-11.12548170)
4.7567e-05 TDB
node 310.4444757460496 6.1347e-05 deg
peri 121.9986292318563 6.305e-05 deg
i 4.722210022062781 4.6505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      8576 days (23.48 yr)  
   first obs. used      1996-12-01  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:24:27  

Additional Information
 Jupiter MOID = 2.47877 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.261761899005941E-15 -5.230595956709027E-15 -3.572648657527996E-13 -1.544955982642778E-14 -1.856190790040067E-13 -1.176234584011361E-15
q -5.230595956709027E-15 1.214929165128281E-14 8.499884022486772E-13 3.536713740114176E-14 4.377581506436839E-13 2.699533496283443E-15
tp -3.572648657527996E-13 8.499884022486772E-13 2.262657635240916E-9 -1.243748203766167E-11 7.123952316870478E-10 -1.378450365395945E-13
node -1.544955982642778E-14 3.536713740114176E-14 -1.243748203766167E-11 3.763404546765716E-9 -3.753117555888715E-9 2.058620957035987E-11
peri -1.856190790040067E-13 4.377581506436839E-13 7.123952316870478E-10 -3.753117555888715E-9 3.975354842894832E-9 -2.049752259575974E-11
i -1.176234584011361E-15 2.699533496283443E-15 -1.378450365395945E-13 2.058620957035987E-11 -2.049752259575974E-11 2.162674792640486E-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 16.9   n/a MPO469855  

173163 (1996 XP12)          Discovered 1996-Dec-06 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1944-Jan-15 04:49 00:02 Thisb 0.021114571691887 0.0210977885761085 0.0211313620458664 5.33738189303153 5.3373818325303 2431104.700978237 1.97601597604549 1044.87889111897 144.293901474852 37.1992851180102 13447.2088171633 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 10:24:28 2020-Nov-12 10:24
2053-Aug-06 19:38 00:05 Eunom 0.0475505726521733 0.0475412102628671 0.0475599350879592 2.63628860148926 2.63628848950804 2471121.318390857 4.69086859932677 471.529911735244 94.3011602491514 9.27151801766527 19173.0921681995 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 10:24:28 2020-Nov-12 10:24
2122-May-04 03:26 00:08 Eunom 0.0097693212251489 0.00975693468944772 0.00978176011598245 2.85741294574873 2.85741244287781 2496227.643092652 8.2808141260099 1295.76295960771 94.6821089011497 61.8082871577508 13586.1973071162 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 10:24:28 2020-Nov-12 10:24
2197-Aug-19 01:45 00:22 Amphi 0.020195202439175 0.0201569600657091 0.020233464452205 1.97806352166574 1.97806337775785 2523728.573018895 22.0659505091204 2146.16276979189 119.10826116057 27.5785234100527 11783.82426475 T 14 CATAB v2.0f-lin.ifort 2020-Nov-12 10:24:28 2020-Nov-12 10:24

Alternate Designations
 1996 XP12 = 2001 BF72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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