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44616 (1999 RT34)
Classification: Main-belt Asteroid          SPK-ID: 2044616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074277208887819 3.3367e-08  
a 2.327264885188983 8.1433e-09 au
q 1.844525634149739 7.6035e-08 au
i 3.428132558096056 3.29e-06 deg
node 84.01832025897042 7.835e-05 deg
peri 198.8495814406699 7.9225e-05 deg
M 115.9829747075405 1.0962e-05 deg
tp 2458978.709178716910
(2020-May-09.20917872)
3.9691e-05 TDB
period 1296.782532446411
3.55
6.8063e-06
1.863e-08
d
yr
n .2776101551282091 1.4571e-09 deg/d
Q 2.810004136228226 9.8325e-09 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:13:15  

Additional Information
 Earth MOID = .828217 au 
 Jupiter MOID = 2.33885 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457662.5 (2016-Oct-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068916352056425 3.3367e-08  
q 1.846136811017142 7.6045e-08 au
tp 2457681.644140321490
(2016-Oct-20.14414032)
4.1317e-05 TDB
node 84.02847743239398 7.8329e-05 deg
peri 198.9136225897755 7.9208e-05 deg
i 3.428359207350613 3.2894e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:13:15  

Additional Information
 Jupiter MOID = 2.33885 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.113333665824733E-15 -2.528834193740436E-15 3.53178250649242E-13 1.649663103391381E-14 7.625108331333611E-14 -1.82821241435997E-15
q -2.528834193740436E-15 5.782837327792334E-15 -9.010498078538768E-13 -3.828041592806229E-14 -2.037208655409667E-13 4.305560027048613E-15
tp 3.53178250649242E-13 -9.010498078538768E-13 1.707112728808029E-9 4.434817634995868E-11 5.118867741089877E-10 -1.849914671053693E-12
node 1.649663103391381E-14 -3.828041592806229E-14 4.434817634995868E-11 6.135508171721596E-9 -6.110179975618487E-9 5.999811778476928E-11
peri 7.625108331333611E-14 -2.037208655409667E-13 5.118867741089877E-10 -6.110179975618487E-9 6.27393741668226E-9 -6.04569800673641E-11
i -1.82821241435997E-15 4.305560027048613E-15 -1.849914671053693E-12 5.999811778476928E-11 -6.04569800673641E-11 1.082033542092503E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.25   n/a E2021B10  

44616 (1999 RT34)          Discovered 1999-Sep-10 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RT34 = 1998 FG128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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