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120469 (1992 DG9)
Classification: Main-belt Asteroid          SPK-ID: 2120469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289541903196579 2.5475e-08  
a 2.305429066235378 7.2608e-09 au
q 1.777591421036052 5.7738e-08 au
i 3.522268183338571 4.6061e-06 deg
node 195.749409323364 5.3872e-05 deg
peri 251.6707151067026 5.606e-05 deg
M 181.8515868310174 1.2437e-05 deg
tp 2460029.211212601000
(2023-Mar-25.71121260)
4.4946e-05 TDB
period 1278.574602403577
3.50
6.0402e-06
1.654e-08
d
yr
n .2815635468773118 1.3302e-09 deg/d
Q 2.833266711434704 8.9232e-09 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      17002 days (46.55 yr)  
   first obs. used      1973-11-02  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:35  

Additional Information
 Earth MOID = .797665 au 
 Jupiter MOID = 2.40012 au 
 T_jup = 3.550 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457015.5 (2014-Dec-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281220501531742 2.5458e-08  
q 1.780237947369398 5.7692e-08 au
tp 2457472.107159640554
(2016-Mar-24.60715964)
4.3708e-05 TDB
node 195.7712939337656 5.3881e-05 deg
peri 251.7661547450366 5.6086e-05 deg
i 3.520294965829283 4.6065e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      17002 days (46.55 yr)  
   first obs. used      1973-11-02  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50785  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:06:35  

Additional Information
 Jupiter MOID = 2.40012 au 
 T_jup = 3.550 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.48132557349169E-16 -1.461944796600668E-15 1.39248795711595E-14 -3.05751117295197E-15 6.796179298927613E-15 -1.856236112401363E-16
q -1.461944796600668E-15 3.328340644055403E-15 -3.749071959879713E-14 6.91915491636007E-15 -2.192817334477543E-14 3.88668273013553E-16
tp 1.39248795711595E-14 -3.749071959879713E-14 1.910400617304961E-9 -4.12651630857993E-11 6.876873232195803E-10 -3.195327144166541E-12
node -3.05751117295197E-15 6.91915491636007E-15 -4.12651630857993E-11 2.903115343427684E-9 -2.910951021546552E-9 -5.030496108412843E-11
peri 6.796179298927613E-15 -2.192817334477543E-14 6.876873232195803E-10 -2.910951021546552E-9 3.145615900538267E-9 4.91868723174544E-11
i -1.856236112401363E-16 3.88668273013553E-16 -3.195327144166541E-12 -5.030496108412843E-11 4.91868723174544E-11 2.122002466317996E-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 16.55   n/a E2021B55  

120469 (1992 DG9)          Discovered 1992-Feb-29 by UESAC at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1992 DG9 = 1973 VC = 1996 HP26 = 2001 SV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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