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JPL Small-Body Database Browser
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74699 (1999 RG144)
Classification: Main-belt Asteroid          SPK-ID: 2074699
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07624476773696214 3.5146e-08  
a 2.350988323825771 1.2853e-08 au
q 2.171737765123365 8.3045e-08 au
i 6.097933219635565 4.8181e-06 deg
node 222.2979564499771 4.2531e-05 deg
peri 33.56028084755868 5.5592e-05 deg
M 241.3082290988661 3.6616e-05 deg
tp 2459034.602457118756
(2020-Jul-04.10245712)
0.00013423 TDB
period 1316.661495369592
3.60
1.0798e-05
2.956e-08
d
yr
n .2734187953897342 2.2422e-09 deg/d
Q 2.530238882528177 1.3833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:28:49  

Additional Information
 Earth MOID = 1.15995 au 
 Jupiter MOID = 2.4887 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456765.5 (2014-Apr-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07703092999255996 3.5129e-08  
q 2.169636777615709 8.3085e-08 au
tp 2456400.499609725606
(2013-Apr-17.99960973)
0.00013227 TDB
node 222.3652273335144 4.257e-05 deg
peri 33.33545531184014 5.537e-05 deg
i 6.095274428171093 4.8158e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:28:49  

Additional Information
 Jupiter MOID = 2.4887 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.234016704133197E-15 -2.889025235962566E-15 -8.980974387380576E-13 -3.59391834207523E-15 -2.553168059680762E-13 -4.583328418232259E-16
q -2.889025235962566E-15 6.903159690621776E-15 2.01824115699892E-12 9.023133352653324E-15 5.837728653452964E-13 1.228621330601294E-15
tp -8.980974387380576E-13 2.01824115699892E-12 1.749421734111087E-8 2.277459392356681E-11 4.703200033395428E-9 -4.452909856423844E-12
node -3.59391834207523E-15 9.023133352653324E-15 2.277459392356681E-11 1.812178387720199E-9 -1.795212756202543E-9 -6.843965474546669E-11
peri -2.553168059680762E-13 5.837728653452964E-13 4.703200033395428E-9 -1.795212756202543E-9 3.065877288423022E-9 6.686715080007016E-11
i -4.583328418232259E-16 1.228621330601294E-15 -4.452909856423844E-12 -6.843965474546669E-11 6.686715080007016E-11 2.319230674770723E-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 16.0   n/a MPO426453  

74699 (1999 RG144)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RG144 = 2002 KF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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