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JPL Small-Body Database Browser
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20146 (1996 SM7)
Classification: Main-belt Asteroid          SPK-ID: 2020146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803653712324017 3.3291e-08  
a 2.221582782387767 6.3902e-09 au
q 1.820886179118885 7.3074e-08 au
i 4.227164857761657 3.6008e-06 deg
node 286.1590758446901 5.2228e-05 deg
peri 356.2931512342394 5.3595e-05 deg
M 354.6393610535513 1.1129e-05 deg
tp 2458618.509689890913
(2019-May-15.00968989)
3.738e-05 TDB
period 1209.461861822276
3.31
5.2184e-06
1.429e-08
d
yr
n .2976530400533621 1.2843e-09 deg/d
Q 2.622279385656648 7.5428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      24169 days (66.17 yr)  
   first obs. used      1953-09-16  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:41:55  

Additional Information
 Earth MOID = .803854 au 
 Jupiter MOID = 2.51956 au 
 T_jup = 3.624 
[ 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 15.2   n/a MPO502319  

20146 (1996 SM7)          Discovered 1996-Sep-30 by Kamel, L., Lundgren, K. at Uppsala
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 SM7 = 1999 NC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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