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JPL Small-Body Database Browser
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441952 (2010 LR68)
Classification: Amor [NEO]          SPK-ID: 2441952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .592632220105529 4.5582e-08  
a 3.086632252721335 9.8947e-08 au
q 1.25739452814176 1.6568e-07 au
i 4.692480719529101 9.0623e-06 deg
node 109.2950697233077 6.2238e-05 deg
peri 299.7562515884169 6.751e-05 deg
M 214.3272596396938 2.5807e-05 deg
tp 2459401.996353975699
(2021-Jul-06.49635398)
0.00018 TDB
period 1980.732199569949
5.42
9.5243e-05
2.608e-07
d
yr
n .1817509707158606 8.7395e-09 deg/d
Q 4.91586997730091 1.5759e-07 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      3706 days (10.15 yr)  
   first obs. used      2006-02-02  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:16:44  

Additional Information
 Earth MOID = .278988 au 
 Jupiter MOID = .559054 au 
 T_jup = 2.922 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456252.5 (2012-Nov-21.0) TDB
Reference: JPL 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6083336707149763 4.7316e-08  
q 1.188922631581278 1.6369e-07 au
tp 2455494.982355090197
(2010-Oct-25.48235509)
2.4596e-05 TDB
node 114.2409832187394 6.5664e-05 deg
peri 293.8037920058192 6.8404e-05 deg
i 4.582842242616453 8.7971e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      3706 days (10.15 yr)  
   first obs. used      2006-02-02  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41194  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:16:44  

Additional Information
 Jupiter MOID = .559054 au 
 T_jup = 2.922 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.238756814107551E-15 -7.659198799243613E-15 2.670244570432846E-13 -2.825736092434117E-14 -1.399788560402189E-13 -9.916619457113502E-14
q -7.659198799243613E-15 2.679569348742464E-14 -5.793117789274904E-13 4.566542170976623E-14 8.175293815482992E-13 3.449957207391191E-13
tp 2.670244570432846E-13 -5.793117789274904E-13 6.049806903105921E-10 -8.525402485297325E-11 4.434969757955253E-10 -2.20879989570216E-11
node -2.825736092434117E-14 4.566542170976623E-14 -8.525402485297325E-11 4.31177592825083E-9 -4.3466376401846E-9 -7.740128127684991E-11
peri -1.399788560402189E-13 8.175293815482992E-13 4.434969757955253E-10 -4.3466376401846E-9 4.679109646495833E-9 8.273238698604789E-11
i -9.916619457113502E-14 3.449957207391191E-13 -2.20879989570216E-11 -7.740128127684991E-11 8.273238698604789E-11 7.738914996071704E-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 18.3   n/a MPO241988  
diameter diameter 2.246 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.017   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

441952 (2010 LR68)          Discovered 2010-Jun-08 by WISE at WISE
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2010 LR68 = 2010 RK42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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