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93P/Lovas 1
Classification: Jupiter-family Comet          SPK-ID: 1000060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457800.5 (2017-Feb-16.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6126650383337702 9.9856e-08  
a 4.389353771719085 1.1904e-06 au
q 1.700150174908333 2.3563e-07 au
i 12.20450342919124 4.9013e-06 deg
node 339.6274201271978 2.2396e-05 deg
peri 74.89804338193238 3.416e-05 deg
M 358.5582133148164 8.3201e-06 deg
tp 2457813.952339361232
(2017-Mar-01.45233936)
8.1284e-05 TDB
period 3358.917251636945
9.20
0.0013664
3.741e-06
d
yr
n .1071773946870994 4.36e-08 deg/d
Q 7.078557368529837 1.9197e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.904031314268461E-10 1.113E-10
A2 [EST] -4.966109079668308E-11 3.733E-13
  Orbit Determination Parameters
   # obs. used (total)      3382  
   data-arc span      13649 days (37.37 yr)  
   first obs. used      1980-12-05  
   last obs. used      2018-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .54636  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2019-Sep-03 14:49:49  

Additional Information
 Earth MOID = .75887 au 
 Jupiter MOID = .815408 au 
 T_jup = 2.604 
[ hide covariance matrix ]
Orbit Covariance (8×8)
  e q tp node peri i A1 A2
e 9.971122398831873E-15 -3.990013191996512E-15 4.099507268380734E-12 -4.216550103126152E-14 1.798382504079466E-12 -7.969482997512378E-14 -9.637823357492686E-18 1.795861848960182E-20
q -3.990013191996512E-15 5.552157566471627E-14 7.734544570282092E-12 1.758775318106845E-13 2.467800968562692E-13 3.627376143928484E-13 -8.994596871324647E-18 -4.044739667616424E-21
tp 4.099507268380734E-12 7.734544570282092E-12 6.607096058011387E-9 -2.952534000498317E-11 1.896485437114348E-9 5.765071774409379E-11 -6.039678681473612E-15 1.907844579684169E-17
node -4.216550103126152E-14 1.758775318106845E-13 -2.952534000498317E-11 5.015920747002681E-10 -5.052434962128655E-10 6.385759170111017E-11 2.389498768749184E-18 4.424495494413252E-20
peri 1.798382504079466E-12 2.467800968562692E-13 1.896485437114348E-9 -5.052434962128655E-10 1.166911035033656E-9 -5.889433027127213E-11 -1.934552230525452E-15 5.673341022487064E-18
i -7.969482997512378E-14 3.627376143928484E-13 5.765071774409379E-11 6.385759170111017E-11 -5.889433027127213E-11 2.402225983357035E-11 -7.86278169059375E-19 -4.192531476214858E-20
A1 -9.637823357492686E-18 -8.994596871324647E-18 -6.039678681473612E-15 2.389498768749184E-18 -1.934552230525452E-15 -7.86278169059375E-19 1.239008822109229E-20 -1.712674309924135E-23
A2 1.795861848960182E-20 -4.044739667616424E-21 1.907844579684169E-17 4.424495494413252E-20 5.673341022487064E-18 -4.192531476214858E-20 -1.712674309924135E-23 1.393230516229676E-25

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.5   0.9 62 2 parameter fit from 681 observations, autocmod 2.8
comet total magnitude slope K1 10.   n/a 62 autocmod 2.8
comet nuclear magnitude M2 14.6   0.6 62 from 2374 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 62 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 62 autocmod 2.8
rotation period rot_per 18.2 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Kokotankekova, R.; Snodgrass, C.; Lacerda, P.; Green S.F.; et al. (2017) Mon. Not. Royal Ast. Soc. 471, 2974-3007.]

93P/Lovas 1          Discovered 1980-Dec-05 by Lovas, Miklos at Konkoly Observatory, Hungary
discovered on plate/photo taken on discovery date
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1989.6   93P/1989 N2   1989 XIII   1989p 
 1980.4   93P/1980 X1   1980 V   1980s 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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