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135141 (2001 QH201)
Classification: Main-belt Asteroid          SPK-ID: 2135141
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05006411036612341 3.83e-08  
a 3.006576113720975 1.9415e-08 au
q 2.856054555339498 1.0988e-07 au
i 8.619872803368416 4.3317e-06 deg
node 323.3383959346233 2.596e-05 deg
peri 122.5756634771735 5.2361e-05 deg
M 163.7622280633994 4.4128e-05 deg
tp 2458334.300420036425
(2018-Aug-03.80042004)
0.00023336 TDB
period 1904.174439212951
5.21
1.8444e-05
5.05e-08
d
yr
n .1890583092528005 1.8313e-09 deg/d
Q 3.157097672102453 2.0387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      10000 days (27.38 yr)  
   first obs. used      1993-01-29  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:41  

Additional Information
 Earth MOID = 1.88353 au 
 Jupiter MOID = 1.95252 au 
 T_jup = 3.232 
[ 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 14.59   n/a E2021B55  
diameter diameter 4.650 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135141 (2001 QH201)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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