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129456 (1992 DR7)
Classification: Main-belt Asteroid          SPK-ID: 2129456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354128872926246 5.4083e-08  
a 2.297033479360603 8.92e-09 au
q 1.98598554371256 1.229e-07 au
i 2.510561334537269 4.705e-06 deg
node 60.07306971260276 0.00011904 deg
peri 104.0200188840429 0.00012023 deg
M 40.37329029949259 1.5401e-05 deg
tp 2458857.892929571751
(2020-Jan-09.39292957)
5.4248e-05 TDB
period 1271.596765419308
3.48
7.4069e-06
2.028e-08
d
yr
n .2831086157106495 1.6491e-09 deg/d
Q 2.608081415008645 1.0128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      10285 days (28.16 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:44:23  

Additional Information
 Earth MOID = .995275 au 
 Jupiter MOID = 2.36541 au 
 T_jup = 3.581 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO459608  

129456 (1992 DR7)          Discovered 1992-Feb-29 by UESAC at La Silla
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1992 DR7 = 1999 FS57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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