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3816 Chugainov (1975 VG9)
Classification: Main-belt Asteroid          SPK-ID: 2003816
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12528248779268 3.9428e-08  
a 2.607471786190218 1.1165e-08 au
q 2.280801233967085 1.0118e-07 au
i 12.18170929318362 4.3305e-06 deg
node 310.9163358445566 1.762e-05 deg
peri 196.5583472149436 2.373e-05 deg
M 182.2556992404396 1.8048e-05 deg
tp 2459959.813352920492
(2023-Jan-15.31335292)
7.9677e-05 TDB
period 1537.89913872484
4.21
9.8775e-06
2.704e-08
d
yr
n .2340855722817405 1.5035e-09 deg/d
Q 2.934142338413352 1.2563e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2542  
   data-arc span      16481 days (45.12 yr)  
   first obs. used      1975-11-08  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:13:27  

Additional Information
 Earth MOID = 1.29564 au 
 Jupiter MOID = 2.10805 au 
 T_jup = 3.369 
[ 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 11.86   n/a E2021B10  
diameter diameter 12.323 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.220   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3816 Chugainov (1975 VG9)          Discovered 1975-Nov-08 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1975 VG9 = 1978 NL2 = 1985 CF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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