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52879 (1998 SL50)
Classification: Main-belt Asteroid          SPK-ID: 2052879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613952089984232 4.1705e-08  
a 2.430023911781504 1.1e-08 au
q 2.037829694668363 1.034e-07 au
i 6.30187884920439 5.8242e-06 deg
node 15.95483888837418 3.2012e-05 deg
peri 54.18528752587308 3.6868e-05 deg
M 326.5282059147215 1.8429e-05 deg
tp 2459525.144356216305
(2021-Nov-06.64435622)
7.1231e-05 TDB
period 1383.611769356539
3.79
9.3948e-06
2.572e-08
d
yr
n .2601885933417732 1.7667e-09 deg/d
Q 2.822218128894646 1.2775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      21850 days (59.82 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:48  

Additional Information
 Earth MOID = 1.0589 au 
 Jupiter MOID = 2.48628 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457538.5 (2016-May-30.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634440750872196 4.2122e-08  
q 2.032403203024408 1.0476e-07 au
tp 2458139.136261848899
(2018-Jan-20.63626185)
6.5563e-05 TDB
node 16.1272365586246 3.2004e-05 deg
peri 53.63835955574424 3.6662e-05 deg
i 6.304546421983486 5.826e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      21850 days (59.82 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:48  

Additional Information
 Jupiter MOID = 2.48628 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.774299962548051E-15 -4.396160000682145E-15 -1.502392547219977E-12 1.577073563866685E-14 -4.392822850055084E-13 -1.320115919380946E-15
q -4.396160000682145E-15 1.097369654162829E-14 3.884209381241779E-12 -3.947267603644642E-14 1.120470681896108E-12 3.569098481486898E-15
tp -1.502392547219977E-12 3.884209381241779E-12 4.298488544887563E-9 -2.414768416653816E-11 1.176097593591053E-9 2.964288514453221E-12
node 1.577073563866685E-14 -3.947267603644642E-14 -2.414768416653816E-11 1.024230816194836E-9 -1.024095172725671E-9 5.238137021614351E-12
peri -4.392822850055084E-13 1.120470681896108E-12 1.176097593591053E-9 -1.024095172725671E-9 1.344072816299716E-9 -4.393829097968044E-12
i -1.320115919380946E-15 3.569098481486898E-15 2.964288514453221E-12 5.238137021614351E-12 -4.393829097968044E-12 3.394249032639046E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.42   n/a E2021B10  

52879 (1998 SL50)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SL50 = 4787 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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