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277P/LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1002318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457449.5 (2016-Mar-02.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5039164861011184 3.5209e-07  
a 3.857635420781713 4.8451e-07 au
q 1.913709334882183 1.5029e-06 au
i 16.74767461937447 1.7915e-05 deg
node 276.3542660514742 3.5641e-05 deg
peri 152.1882635202969 0.00018771 deg
M 130.1909991843589 7.8722e-05 deg
tp 2456448.673819876386
(2013-Jun-05.17381988)
0.000759 TDB
period 2767.452643437328
7.58
0.00052138
1.427e-06
d
yr
n .1300835267601401 2.4507e-08 deg/d
Q 5.801561506681243 7.2866e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.457133027179732E-8 1.203E-9
A2 [EST] -3.936639975488605E-10 1.758E-11
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      5610 days (15.36 yr)  
   first obs. used      2005-09-15  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .54891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-30 21:13:01  

Additional Information
 Earth MOID = .943787 au 
 Jupiter MOID = .0316997 au 
 T_jup = 2.773 
[ 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 11.9   0.7 26 2 parameter fit from 552 observations, autocmod 2.8
comet total magnitude slope K1 19.5   n/a 26 autocmod 2.8
comet nuclear magnitude M2 16.6   0.6 26 from 110 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 26 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 26 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.4   277P/2013 A3       
 2005.8   277P/2005 YQ127       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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