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30878 (1992 GQ)
Classification: Main-belt Asteroid          SPK-ID: 2030878
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494351858454665 3.0252e-08  
a 3.13805670450337 1.5275e-08 au
q 2.669120617672296 9.2036e-08 au
i 9.332888349811205 3.5594e-06 deg
node 99.57769709001178 2.3224e-05 deg
peri 68.40250760643762 2.7542e-05 deg
M 88.80399286867069 1.3563e-05 deg
tp 2458699.636251037178
(2019-Aug-04.13625104)
7.5851e-05 TDB
period 2030.437413926554
5.56
1.4825e-05
4.059e-08
d
yr
n .1773016974228304 1.2946e-09 deg/d
Q 3.606992791334443 1.7558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1858  
   data-arc span      10390 days (28.45 yr)  
   first obs. used      1992-03-28  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:31  

Additional Information
 Earth MOID = 1.69389 au 
 Jupiter MOID = 1.47521 au 
 T_jup = 3.174 
[ 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 13.41   n/a E2021B10  
diameter diameter 9.677 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.655 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 71-80.]
geometric albedo albedo 0.099   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30878 (1992 GQ)          Discovered 1992-Apr-03 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 GQ = 1997 CM29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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