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135819 (2002 RQ201)
Classification: Main-belt Asteroid          SPK-ID: 2135819
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2811818532576174 6.4031e-08  
a 2.577680532277274 1.7294e-08 au
q 1.852883543105469 1.7235e-07 au
i 4.404260900448876 3.8439e-06 deg
node 148.7629827851958 9.2524e-05 deg
peri 111.7880280487871 9.3196e-05 deg
M 199.1022091940432 1.396e-05 deg
tp 2459876.100005706083
(2022-Oct-23.60000571)
6.3843e-05 TDB
period 1511.618033012704
4.14
1.5212e-05
4.165e-08
d
yr
n .2381554017865931 2.3967e-09 deg/d
Q 3.30247752144908 2.2156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-03-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:14:44  

Additional Information
 Earth MOID = .841403 au 
 Jupiter MOID = 1.79721 au 
 T_jup = 3.366 
[ 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 16.4   n/a MPO449762  
diameter diameter 1.476 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

135819 (2002 RQ201)          Discovered 2002-Sep-13 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 RQ201 = 1993 FG85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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