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175299 (2005 LR42)
Classification: Main-belt Asteroid          SPK-ID: 2175299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683459911698242 5.3308e-08  
a 2.326059603519088 9.4192e-09 au
q 1.934476794044579 1.2376e-07 au
i 2.31425281873505 5.955e-06 deg
node 196.6185664709438 8.4135e-05 deg
peri 334.6845435991417 8.491e-05 deg
M 188.2265893867894 1.2069e-05 deg
tp 2459818.777046149187
(2022-Aug-27.27704615)
4.4871e-05 TDB
period 1295.775264746297
3.55
7.8707e-06
2.155e-08
d
yr
n .277825954696307 1.6876e-09 deg/d
Q 2.717642412993598 1.1005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      9216 days (25.23 yr)  
   first obs. used      1995-07-23  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:50  

Additional Information
 Earth MOID = .940028 au 
 Jupiter MOID = 2.2509 au 
 T_jup = 3.554 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457453.5 (2016-Mar-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167459283688679 5.3299e-08  
q 1.936920614577762 1.2364e-07 au
tp 2457225.367946658012
(2015-Jul-21.86794666)
4.1266e-05 TDB
node 196.7159844617852 8.4159e-05 deg
peri 334.4367635506846 8.4949e-05 deg
i 2.313305059551207 5.9539e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      9216 days (25.23 yr)  
   first obs. used      1995-07-23  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:50  

Additional Information
 Jupiter MOID = 2.2509 au 
 T_jup = 3.554 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.840832961463936E-15 -6.576739727354229E-15 9.78020609483943E-13 2.598186034676945E-14 2.143431185737069E-13 1.968382977970154E-16
q -6.576739727354229E-15 1.528652919835744E-14 -2.248260450056982E-12 -5.988918032473493E-14 -4.897756610120915E-13 -4.359286652011346E-16
tp 9.78020609483943E-13 -2.248260450056982E-12 1.702886632258672E-9 9.046939657823141E-12 4.813541765755163E-10 4.146466998375946E-13
node 2.598186034676945E-14 -5.988918032473493E-14 9.046939657823141E-12 7.082747677669966E-9 -7.07401817713459E-9 -4.401349764957822E-11
peri 2.143431185737069E-13 -4.897756610120915E-13 4.813541765755163E-10 -7.07401817713459E-9 7.216406303278203E-9 4.407365939570704E-11
i 1.968382977970154E-16 -4.359286652011346E-16 4.146466998375946E-13 -4.401349764957822E-11 4.407365939570704E-11 3.544873406983836E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.01   n/a E2021B55  

175299 (2005 LR42)          Discovered 2005-Jun-14 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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