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30868 (1992 ET10)
Classification: Main-belt Asteroid          SPK-ID: 2030868
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .232685474163874 3.7337e-08  
a 3.07123039731174 1.4195e-08 au
q 2.356599696046755 1.1455e-07 au
i 1.585943777084831 4.2947e-06 deg
node 89.01228597663949 0.00018061 deg
peri 354.7685967129316 0.00018091 deg
M 179.4676553220325 1.1866e-05 deg
tp 2458220.444407225262
(2018-Apr-11.94440723)
6.1221e-05 TDB
period 1965.925351650769
5.38
1.363e-05
3.732e-08
d
yr
n .1831198726328604 1.2696e-09 deg/d
Q 3.785861098576725 1.7498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1263  
   data-arc span      12628 days (34.57 yr)  
   first obs. used      1985-12-17  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:24  

Additional Information
 Earth MOID = 1.37235 au 
 Jupiter MOID = 1.46464 au 
 T_jup = 3.188 
[ 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 14.06   n/a E2021B10  
diameter diameter 8.265 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30868 (1992 ET10)          Discovered 1992-Mar-06 by UESAC at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 ET10 = 1985 YC2 = 1998 HJ70 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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