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136822 (1997 PW4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2136822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135898954841988 5.2626e-08  
a 3.983826682020057 5.1979e-08 au
q 3.442428799661906 2.189e-07 au
i 3.317754788455306 6.0513e-06 deg
node 155.4212531393077 9.6747e-05 deg
peri 174.2511597677098 9.9306e-05 deg
M 313.1060645054948 2.5563e-05 deg
tp 2459378.823450329440
(2021-Jun-13.32345033)
0.00021042 TDB
period 2904.350865040047
7.95
5.6842e-05
1.556e-07
d
yr
n .1239519661117239 2.4259e-09 deg/d
Q 4.525224564378207 5.9043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      7942 days (21.74 yr)  
   first obs. used      1997-08-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59136  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:21  

Additional Information
 Earth MOID = 2.43148 au 
 Jupiter MOID = .847592 au 
 T_jup = 3.037 
[ 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 14.2   n/a MPO436674  

136822 (1997 PW4)          Discovered 1997-Aug-10 by Galad, A., Pravda, A. at Modra
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1903-Jan-09 18:25 00:03 Jupiter 1.66767741862178 1.66767659716249 1.66767824008125 3.97708547899803 3.8472584950905 2416124.267209954 2.74327552829241 117.2434420023 33.9623815633485 -83.0675972325539 2320852.18900852 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
1926-Jun-12 18:11 00:03 Jupiter 1.65228436775606 1.65228368532817 1.65228505018431 3.82686330596019 3.6904753434924 2424679.257719025 3.18329608743311 117.464611415191 27.3963810749883 -83.2042215733254 2737980.00709734 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
1950-Jan-05 04:52 00:03 Jupiter 1.63247781495922 1.6324772106702 1.63247841924824 3.72240443360853 3.58030456790901 2433286.702435446 3.28998446177807 111.661092668546 24.8419135863358 -85.4966476401443 2774330.4372046 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
1973-Sep-09 16:38 00:03 Jupiter 1.62464764259592 1.62464705361736 1.62464823157437 3.68888464414264 3.54473617777725 2441935.192902881 2.62467689485937 93.4371908083474 24.3817707715049 -87.5584260984115 2742379.38153333 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
1997-Jun-03 13:52 00:01 Jupiter 1.62480218439097 1.62480158877099 1.62480278001095 3.69256067391659 3.54857551136586 2450603.078121924 1.23862222990242 68.2521417658588 24.6927547609653 -89.186593796626 2745078.22017382 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2021-Feb-18 19:12 < 00:01 Jupiter 1.61925345816103 1.61925281980615 1.61925409651592 3.67597807717872 3.5308109409595 2459264.299811815 0.801432364420414 63.9629076854132 26.2365965674806 -83.49136112529 2733363.55304353 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2044-Sep-30 17:40 00:03 Jupiter 1.63828203567477 1.63828134214537 1.63828272920446 3.70587595842522 3.56363285662838 2467889.236456899 2.51728163256754 88.0522869830904 25.8017264355211 -78.4827862833171 2870110.07590806 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2068-Mar-25 10:50 00:04 Jupiter 1.65594388718142 1.65594323550902 1.65594453885448 3.71064751270139 3.57013952758364 2476465.951586072 3.8102704835662 100.748803473403 23.4832780200618 -79.0683753548572 3130046.91597102 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2091-Jul-30 20:11 00:04 Jupiter 1.68487786591091 1.68487735237161 1.6848783794503 3.71406076907862 3.5761440893249 2484993.341042934 4.36913771608535 87.7848981964792 20.5622928522147 -83.2042310073515 3100635.98838909 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2114-Oct-31 03:46 00:04 Jupiter 1.71073146449493 1.71073085176134 1.71073207722842 3.67526277607786 3.53798112611884 2493485.657014356 4.27202309682248 68.0148298566609 23.8082001390215 -85.7314907997156 2162895.84566791 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2138-Jan-17 17:54 00:04 Jupiter 1.71031737420022 1.71031657425026 1.71031817415017 3.55659285841614 3.4145083078711 2501965.246037014 3.84154064446791 68.2493709722232 28.6386256756762 -77.733875112532 1878164.98880879 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2161-Apr-20 02:47 00:04 Jupiter 1.69590740862618 1.69590658355373 1.69590823369882 3.41307969365476 3.26346612589165 2510458.616122624 3.50997390914147 81.2284652577377 27.5826225714213 -76.9580157507508 2179494.19820491 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13
2184-Aug-23 05:34 00:04 Jupiter 1.67148435415916 1.67148367859982 1.67148502971916 3.2782935970319 3.1198896643297 2518984.731756037 3.52929468988983 96.3397308300129 20.4095851083995 -80.0560453589992 3036630.55988088 T 16 CATAB v2.0e-lin.ifort 2019-May-30 07:13:26 2019-May-30 07:13

Alternate Designations
 1997 PW4 = 2005 QK94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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