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412P/WISE (2020 Y1)
Classification: Encke-type Comet          SPK-ID: 1003060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456599.5 (2013-Nov-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4809020234534285 1.6183e-06  
a 3.106572457247497 8.0317e-08 au
q 1.612615476552486 5.0213e-06 au
i 8.937369174251629 9.8422e-05 deg
node .8566169438432921 0.00024471 deg
peri 155.9628736319457 0.00049901 deg
M 254.1575188388707 0.00011901 deg
tp 2457187.501141757818
(2015-Jun-14.00114176)
0.00065615 TDB
period 1999.956999407099
5.48
7.756e-05
2.123e-07
d
yr
n .1800038701365702 6.9807e-09 deg/d
Q 4.600529437942507 1.1894e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4058 days (11.11 yr)  
   first obs. used      2010-01-22  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:48  

Additional Information
 Earth MOID = .625139 au 
 Jupiter MOID = .43195 au 
 T_jup = 3.013 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 15.2   0.6 14 2 parameter fit from 37 observations, autocmod 2.9c
comet total magnitude slope K1 20.   n/a 14 autocmod 2.9c
comet nuclear magnitude M2 19.1   0.5 14 from 11 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 14 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 14 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2020.9   412P/2020 Y1       
 2010.0   412P/2010 B2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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