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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2291605055554231 2.5481e-08  
a 2.305439945799977 7.3504e-09 au
q 1.777124162292787 5.7771e-08 au
i 3.522273078371745 4.606e-06 deg
node 195.7552890384841 5.3875e-05 deg
peri 251.7143140100201 5.6055e-05 deg
M 70.26767372213627 1.2315e-05 deg
tp 2458750.935836233219
(2019-Sep-24.43583623)
4.3565e-05 TDB
period 1278.583653008254
3.50
6.1147e-06
1.674e-08
d
yr
n .2815615537966494 1.3465e-09 deg/d
Q 2.833755729307167 9.0348e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:58  

Additional Information
 Earth MOID = .797199 au 
 Jupiter MOID = 2.39881 au 
 T_jup = 3.550 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457015.5 (2014-Dec-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2281220501808691 2.5458e-08  
q 1.780237947361431 5.7692e-08 au
tp 2457472.107159577517
(2016-Mar-24.60715958)
4.3708e-05 TDB
node 195.7712938656564 5.3881e-05 deg
peri 251.7661548085132 5.6086e-05 deg
i 3.52029498474429 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:58  

Additional Information
 Jupiter MOID = 2.39881 au 
 T_jup = 3.550 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.481325608897018E-16 -1.461944652475409E-15 1.392489366576683E-14 -3.057505163296125E-15 6.796219767278869E-15 -1.856240300861975E-16
q -1.461944652475409E-15 3.328340125806917E-15 -3.749059749170144E-14 6.919139221766402E-15 -2.192819413561663E-14 3.886688092905468E-16
tp 1.392489366576683E-14 -3.749059749170144E-14 1.910400009281129E-9 -4.12651568497154E-11 6.87687088233534E-10 -3.19532656620281E-12
node -3.057505163296125E-15 6.919139221766402E-15 -4.12651568497154E-11 2.903115276792429E-9 -2.910950951410744E-9 -5.03049535508246E-11
peri 6.796219767278869E-15 -2.192819413561663E-14 6.87687088233534E-10 -2.910950951410744E-9 3.145615757999535E-9 4.918686484121646E-11
i -1.856240300861975E-16 3.886688092905468E-16 -3.19532656620281E-12 -5.03049535508246E-11 4.918686484121646E-11 2.12200242363312E-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 16.5   n/a MPO453675  

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

[ show close-approach data ]
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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