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JPL Small-Body Database Browser
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109441 (2001 QA200)
Classification: Main-belt Asteroid          SPK-ID: 2109441
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2074428413681138 6.0923e-08  
a 2.652642041623408 1.3487e-08 au
q 2.102370439376534 1.6484e-07 au
i 15.33906344942664 4.9038e-06 deg
node 279.2230927263956 2.0793e-05 deg
peri 67.61847196537938 2.2646e-05 deg
M 48.18776349920763 9.3223e-06 deg
tp 2458389.272397836524
(2018-Sep-27.77239784)
4.0527e-05 TDB
period 1578.034157574087
4.32
1.2035e-05
3.295e-08
d
yr
n .2281319439583159 1.7399e-09 deg/d
Q 3.202913643870283 1.6285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      7712 days (21.11 yr)  
   first obs. used      1997-12-06  
   last obs. used      2019-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:04:28  

Additional Information
 Earth MOID = 1.14536 au 
 Jupiter MOID = 2.33327 au 
 T_jup = 3.309 
[ 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 14.9   n/a MPO453554  
diameter diameter 4.481 km 1.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.106   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

109441 (2001 QA200)          Discovered 2001-Aug-22 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1953-Aug-03 06:45 00:02 Hebe 0.0488476204906463 0.0488257350789596 0.0488695082678766 10.304798304732 10.3047982923818 2434592.781133848 2.25758742513068 1216.09953129842 53.999688327944 26.2132559643874 60010.0317668938 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:04:37 2019-Jul-13 06:04
1983-Oct-23 23:28 < 00:01 Hebe 0.0295807319321681 0.0295715259615902 0.0295899388127718 10.3284926203745 10.328492600027 2445631.477499683 0.995288073622064 527.702556964953 50.5872032468494 -29.7042960197432 43948.6884276971 T 20 CATAB v2.0e-lin.ifort 2019-Jul-13 06:04:37 2019-Jul-13 06:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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