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48168 (2001 HC12)
Classification: Main-belt Asteroid          SPK-ID: 2048168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05550488427672334 3.7616e-08  
a 2.381851054515782 1.0961e-08 au
q 2.249646687370492 8.7592e-08 au
i 4.960387473619669 4.9739e-06 deg
node 205.8543462904426 4.6676e-05 deg
peri 255.2709349949079 6.708e-05 deg
M 69.11335437619078 4.6687e-05 deg
tp 2458342.731527563038
(2018-Aug-12.23152756)
0.0001742 TDB
period 1342.67322017399
3.68
9.2686e-06
2.538e-08
d
yr
n .2681218293408351 1.8509e-09 deg/d
Q 2.514055421661072 1.157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:37:09  

Additional Information
 Earth MOID = 1.27268 au 
 Jupiter MOID = 2.56179 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456497.5 (2013-Jul-24.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05532810095717865 3.7628e-08  
q 2.25046460597554 8.7603e-08 au
tp 2457002.902178915616
(2014-Dec-11.40217892)
0.00017524 TDB
node 205.9160791197376 4.6719e-05 deg
peri 256.0900312048702 6.7179e-05 deg
i 4.957464002365313 4.9716e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:37:09  

Additional Information
 Jupiter MOID = 2.56179 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.415832457304305E-15 -3.274466726038034E-15 -5.39218490660608E-13 3.595274457124201E-16 -1.858815777462423E-13 -1.086532985510179E-15
q -3.274466726038034E-15 7.674218583364365E-15 1.077018422033558E-12 -3.21030365402603E-16 3.713868060078241E-13 2.685741036584485E-15
tp -5.39218490660608E-13 1.077018422033558E-12 3.070736609979044E-8 -1.986178886841272E-11 8.467434963420613E-9 -4.944752674877962E-12
node 3.595274457124201E-16 -3.21030365402603E-16 -1.986178886841272E-11 2.18261905462095E-9 -2.179534321211015E-9 -2.41926542527526E-11
peri -1.858815777462423E-13 3.713868060078241E-13 8.467434963420613E-9 -2.179534321211015E-9 4.512954278892134E-9 2.274670452910474E-11
i -1.086532985510179E-15 2.685741036584485E-15 -4.944752674877962E-12 -2.41926542527526E-11 2.274670452910474E-11 2.471711120308323E-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 MPO267867  

48168 (2001 HC12)          Discovered 2001-Apr-18 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HC12 = 1995 UC46 = 1998 MO2 = 1999 XP241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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