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JPL Small-Body Database Browser
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249877 (2001 QG227)
Classification: Main-belt Asteroid          SPK-ID: 2249877
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605259306043294 7.5023e-08  
a 2.751134398195412 3.0979e-08 au
q 2.309505988707512 2.0314e-07 au
i 9.060554119414999 9.5142e-06 deg
node 290.86441407 4.4478e-05 deg
peri 342.3365550125345 5.3353e-05 deg
M 8.857271218399738 2.5619e-05 deg
tp 2458559.492472949265
(2019-Mar-16.99247295)
0.00011877 TDB
period 1666.733396127379
4.56
2.8152e-05
7.708e-08
d
yr
n .2159913522081291 3.6482e-09 deg/d
Q 3.192762807683312 3.5952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6575 days (18.00 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61084  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:12  

Additional Information
 Earth MOID = 1.29445 au 
 Jupiter MOID = 1.9531 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 16.0   n/a MPO440261  

249877 (2001 QG227)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
1929-Sep-29 04:02 00:04 Jupiter 1.96874688096765 1.96874600372746 1.96874775821489 2.79004494310125 2.63132706132522 2425883.668129850 4.25482106972057 288.349391725376 22.2087004589944 -79.9798142592126 1593706.56927633 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 04:19:14 2019-Sep-24 04:19
1989-Mar-06 13:07 00:01 Jupiter 1.95938634536593 1.95938562916461 1.95938706156725 2.87472627715956 2.7201970128304 2447592.046309196 1.26724471908996 127.014823974985 24.2919301780013 -82.508756829773 1550126.77770111 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 04:19:14 2019-Sep-24 04:19
2048-Aug-10 01:23 00:02 Jupiter 1.95259375874123 1.95259289092621 1.9525946265587 2.9559002450725 2.80530911359876 2469298.557372458 1.79295801621375 157.399704590454 19.0532872856128 -76.9572582549026 1614316.40841741 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 04:19:14 2019-Sep-24 04:19
2108-Jan-14 00:21 00:05 Jupiter 1.94808917168854 1.94808821860712 1.94809012478679 3.03142835263673 2.88443489969435 2491003.514887543 4.68333035401502 373.080630193241 20.0229500634338 -82.5802921165752 1605842.64323954 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 04:19:14 2019-Sep-24 04:19
2167-Jun-16 17:28 00:08 Jupiter 1.94583398834843 1.94583313196903 1.9458348447662 3.10049150903422 2.95676285650593 2512707.227792308 7.5582367491923 611.84763296715 21.4109598710852 -85.5557023481136 1602528.46268342 T 11 CATAB v2.0f-lin.ifort 2019-Sep-24 04:19:14 2019-Sep-24 04:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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