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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720646647158591 4.1687e-08  
a 2.209636541315869 6.2331e-09 au
q 1.829436170690444 9.4412e-08 au
i 2.72250559428444 3.6217e-06 deg
node 262.7752976915925 8.4989e-05 deg
peri 137.0818209799088 8.5806e-05 deg
M 295.9682090237221 1.0524e-05 deg
tp 2458813.889399052270
(2019-Nov-26.38939905)
3.5025e-05 TDB
period 1199.719428233348
3.28
5.0764e-06
1.39e-08
d
yr
n .3000701593456059 1.2697e-09 deg/d
Q 2.589836911941295 7.3056e-09 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      13170 days (36.06 yr)  
   first obs. used      1983-11-08  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54195  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:04  

Additional Information
 Earth MOID = .838027 au 
 Jupiter MOID = 2.81257 au 
 T_jup = 3.637 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456707.5 (2014-Feb-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1726227222200146 4.177e-08  
q 1.828386471402895 9.472e-08 au
tp 2456413.040005212924
(2013-Apr-30.54000521)
3.6448e-05 TDB
node 262.8641527632743 8.5156e-05 deg
peri 136.7334555380216 8.5955e-05 deg
i 2.719293329338447 3.6193e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      13170 days (36.06 yr)  
   first obs. used      1983-11-08  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54195  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:27:04  

Additional Information
 Jupiter MOID = 2.81257 au 
 T_jup = 3.637 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.744744744898044E-15 -3.951709694873791E-15 -1.051235882036913E-13 -4.092225120986622E-14 -2.26422690521751E-14 -2.757325565404058E-15
q -3.951709694873791E-15 8.971952795721009E-15 1.746609020384559E-13 9.280911525776859E-14 3.248165527660904E-14 6.295096273980792E-15
tp -1.051235882036913E-13 1.746609020384559E-13 1.328458818853896E-9 1.721312570143065E-11 4.414290533985787E-10 -2.387124101098949E-14
node -4.092225120986622E-14 9.280911525776859E-14 1.721312570143065E-11 7.251463222339876E-9 -7.236479392790788E-9 -5.614763604035158E-11
peri -2.26422690521751E-14 3.248165527660904E-14 4.414290533985787E-10 -7.236479392790788E-9 7.388326152734405E-9 5.612369046867078E-11
i -2.757325565404058E-15 6.295096273980792E-15 -2.387124101098949E-14 -5.614763604035158E-11 5.612369046867078E-11 1.309936684784999E-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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