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175175 (2005 EP142)
Classification: Main-belt Asteroid          SPK-ID: 2175175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08811471833316664 3.9596e-08  
a 2.324847030442314 1.2729e-08 au
q 2.11999378918719 9.0489e-08 au
i 5.04340928827178 3.5028e-06 deg
node 67.59930523905444 5.1008e-05 deg
peri 237.2828788506438 5.7907e-05 deg
M 53.84610679787878 2.4612e-05 deg
tp 2459006.839161351629
(2020-Jun-06.33916135)
8.9196e-05 TDB
period 1294.762166838028
3.54
1.0634e-05
2.911e-08
d
yr
n .2780433420287259 2.2835e-09 deg/d
Q 2.529700271697437 1.3851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:20  

Additional Information
 Earth MOID = 1.10777 au 
 Jupiter MOID = 2.6275 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457818.5 (2017-Mar-06.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08791099415364316 3.95e-08  
q 2.120843434580123 9.0333e-08 au
tp 2457713.618234895365
(2016-Nov-21.11823490)
9.4772e-05 TDB
node 67.61946868865471 5.0973e-05 deg
peri 237.8346273119058 5.7928e-05 deg
i 5.045012716716434 3.5037e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:20  

Additional Information
 Jupiter MOID = 2.6275 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.56028077634474E-15 -3.5394475595426E-15 9.747516251862545E-14 4.67090202742987E-15 -9.411012574967744E-15 -3.206264838235186E-15
q -3.5394475595426E-15 8.160115097763544E-15 -8.13302712021196E-13 -8.582157155630865E-15 -1.490871422356711E-13 7.842274730207321E-15
tp 9.747516251862545E-14 -8.13302712021196E-13 8.981669267113874E-9 -1.443757258545099E-11 2.627964101965387E-9 -5.546350198959056E-12
node 4.67090202742987E-15 -8.582157155630865E-15 -1.443757258545099E-11 2.598278770210999E-9 -2.592243938834594E-9 -2.449977057654543E-13
peri -9.411012574967744E-15 -1.490871422356711E-13 2.627964101965387E-9 -2.592243938834594E-9 3.355606052106676E-9 -1.302926154187947E-12
i -3.206264838235186E-15 7.842274730207321E-15 -5.546350198959056E-12 -2.449977057654543E-13 -1.302926154187947E-12 1.227611084232999E-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 16.76   n/a E2021B55  

175175 (2005 EP142)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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