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48678 (1996 AP12)
Classification: Main-belt Asteroid          SPK-ID: 2048678
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0198605478127274 3.9165e-08  
a 2.46208295162145 1.3306e-08 au
q 2.413184635441871 9.4597e-08 au
i 6.274288025707521 3.8983e-06 deg
node 251.5897954074015 4.5124e-05 deg
peri 230.7487151742302 0.00014302 deg
M 119.1037168618269 0.00013787 deg
tp 2458533.652258426726
(2019-Feb-19.15225843)
0.00053904 TDB
period 1411.082637843723
3.86
1.1439e-05
3.132e-08
d
yr
n .2551232580893465 2.0682e-09 deg/d
Q 2.510981267801029 1.357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      11705 days (32.05 yr)  
   first obs. used      1988-01-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:42  

Additional Information
 Earth MOID = 1.43469 au 
 Jupiter MOID = 2.50995 au 
 T_jup = 3.481 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456701.5 (2014-Feb-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02012964554242077 3.9923e-08  
q 2.412090521590355 9.6355e-08 au
tp 2457134.069871252267
(2015-Apr-21.56987125)
0.00052008 TDB
node 251.6792163542852 4.511e-05 deg
peri 233.6521201136589 0.00013939 deg
i 6.275586310593288 3.8987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      11705 days (32.05 yr)  
   first obs. used      1988-01-11  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:42  

Additional Information
 Jupiter MOID = 2.50995 au 
 T_jup = 3.481 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.593850538957861E-15 -3.812615475297991E-15 5.749563046125685E-12 -1.221633528489034E-14 1.469877888934545E-12 3.789222793924732E-15
q -3.812615475297991E-15 9.284224511042878E-15 -1.192873240326203E-11 2.592522656802112E-14 -3.066825189615553E-12 -8.540788526730223E-15
tp 5.749563046125685E-12 -1.192873240326203E-11 2.704871519505869E-7 -4.869255879656682E-10 6.862367480902328E-8 3.130941959277171E-11
node -1.221633528489034E-14 2.592522656802112E-14 -4.869255879656682E-10 2.034952199599846E-9 -2.144991251489862E-9 -1.371810783865151E-11
peri 1.469877888934545E-12 -3.066825189615553E-12 6.862367480902328E-8 -2.144991251489862E-9 1.943003345483523E-8 2.155583917861542E-11
i 3.789222793924732E-15 -8.540788526730223E-15 3.130941959277171E-11 -1.371810783865151E-11 2.155583917861542E-11 1.519996296349352E-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 15.7   n/a MPO351177  

48678 (1996 AP12)          Discovered 1996-Jan-15 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 AP12 = 1988 AY = 1998 UW17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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