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74678 (1999 RM112)
Classification: Main-belt Asteroid          SPK-ID: 2074678
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722482277122941 4.1517e-08  
a 2.209928463964643 6.1788e-09 au
q 1.829272202675781 9.4046e-08 au
i 2.722480552317283 3.6016e-06 deg
node 262.7756564469725 8.271e-05 deg
peri 137.0888285916216 8.3548e-05 deg
M 55.98083146315157 1.0325e-05 deg
tp 2458813.903886342367
(2019-Nov-26.40388634)
3.4458e-05 TDB
period 1199.957184647472
3.29
5.0325e-06
1.378e-08
d
yr
n .3000107042200529 1.2582e-09 deg/d
Q 2.590584725253505 7.2431e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      13296 days (36.40 yr)  
   first obs. used      1983-11-08  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:47  

Additional Information
 Earth MOID = .83845 au 
 Jupiter MOID = 2.8129 au 
 T_jup = 3.637 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726871436453233 4.1609e-08  
q 1.827886546468615 9.4261e-08 au
tp 2456412.917306235139
(2013-Apr-30.41730624)
3.6143e-05 TDB
node 262.8596207459543 8.2885e-05 deg
peri 136.6737807563247 8.3709e-05 deg
i 2.719261370632819 3.5994e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      13296 days (36.40 yr)  
   first obs. used      1983-11-08  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:47  

Additional Information
 Jupiter MOID = 2.8129 au 
 T_jup = 3.637 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.731337280193317E-15 -3.917466987467129E-15 -9.349992525165009E-14 -3.528266375423027E-14 -2.492376752059528E-14 -2.661961183296218E-15
q -3.917466987467129E-15 8.885156683079792E-15 1.466215632635953E-13 7.974562988749711E-14 3.756839805579952E-14 6.079404617678277E-15
tp -9.349992525165009E-14 1.466215632635953E-13 1.30629162866982E-9 1.583890818972892E-11 4.367989974180921E-10 -6.136684408347806E-14
node -3.528266375423027E-14 7.974562988749711E-14 1.583890818972892E-11 6.869898543042866E-9 -6.855885783361583E-9 -6.238094859655315E-11
peri -2.492376752059528E-14 3.756839805579952E-14 4.367989974180921E-10 -6.855885783361583E-9 7.007122478406162E-9 6.233727986080416E-11
i -2.661961183296218E-15 6.079404617678277E-15 -6.136684408347806E-14 -6.238094859655315E-11 6.233727986080416E-11 1.295534639660163E-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 MPO344829  

74678 (1999 RM112)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RM112 = 1983 VF4 = 2004 CE73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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