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187878 (2000 QL120)
Classification: Main-belt Asteroid          SPK-ID: 2187878
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972751452971501 5.6607e-08  
a 2.644817111820136 1.567e-08 au
q 2.12306043180143 1.5439e-07 au
i 6.12417673538258 6.6607e-06 deg
node 195.936878375306 3.9029e-05 deg
peri 138.4684246817889 4.0457e-05 deg
M 269.024990692745 1.067e-05 deg
tp 2459597.519194533589
(2022-Jan-18.01919453)
4.7891e-05 TDB
period 1571.056833304372
4.30
1.3962e-05
3.823e-08
d
yr
n .2291451158026024 2.0364e-09 deg/d
Q 3.166573791838843 1.8761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      8111 days (22.21 yr)  
   first obs. used      1998-03-02  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50046  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:11  

Additional Information
 Earth MOID = 1.11633 au 
 Jupiter MOID = 2.24948 au 
 T_jup = 3.357 
[ show covariance matrix ]

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 15.75   n/a E2021B55  
diameter diameter 3.096 km 0.583 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187878 (2000 QL120)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 2000 QL120 = 2003 FC44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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