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120478 (1992 QS)
Classification: Main-belt Asteroid          SPK-ID: 2120478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2290439133330792 6.7903e-08  
a 2.459479640832226 1.5747e-08 au
q 1.896150799132977 1.6911e-07 au
i 14.90565646824394 7.2437e-06 deg
node 353.0981626229836 1.2972e-05 deg
peri 7.472858571733661 1.7746e-05 deg
M 59.3308931884898 8.4623e-06 deg
tp 2458768.310989708723
(2019-Oct-11.81098971)
3.3938e-05 TDB
period 1408.845193671819
3.86
1.353e-05
3.704e-08
d
yr
n .2555284296791658 2.4541e-09 deg/d
Q 3.022808482531476 1.9354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      739  
   data-arc span      10014 days (27.42 yr)  
   first obs. used      1992-08-29  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:19:51  

Additional Information
 Earth MOID = .893364 au 
 Jupiter MOID = 2.43226 au 
 T_jup = 3.409 
[ show covariance matrix ]

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 15.4   n/a MPO348203  
diameter diameter 2.421 km 0.648 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.209   0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

120478 (1992 QS)          Discovered 1992-Aug-29 by Helin, E. F. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1992 QS = 2000 RJ37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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