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215781 (2004 HL73)
Classification: Main-belt Asteroid          SPK-ID: 2215781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09971808648120403 4.0474e-08  
a 2.961183214445926 2.5142e-08 au
q 2.665899690581118 1.2268e-07 au
i 1.903087210529992 4.8182e-06 deg
node 26.5187674198945 0.00015095 deg
peri 246.2016412734896 0.00015405 deg
M 93.18669222346753 2.8161e-05 deg
tp 2458914.721138889686
(2020-Mar-06.22113889)
0.00014629 TDB
period 1861.214148301262
5.10
2.3704e-05
6.49e-08
d
yr
n .1934221273401417 2.4634e-09 deg/d
Q 3.256466738310735 2.7649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      10086 days (27.61 yr)  
   first obs. used      1993-02-26  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:52:08  

Additional Information
 Earth MOID = 1.65026 au 
 Jupiter MOID = 1.83023 au 
 T_jup = 3.258 
[ 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 16.38   n/a E2021B55  

215781 (2004 HL73)          Discovered 2004-Apr-28 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1931-Jan-05 02:51 00:03 Jupiter 1.97288240527939 1.97288114921574 1.9728836613427 2.74929708228033 2.58842992393103 2426346.618851733 3.22953941199967 61.7064000244291 30.361604460144 -56.7857426195552 1551390.31879848 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
1975-Jul-20 23:44 00:02 Jupiter 1.96960621551891 1.96960559512498 1.96960683591328 3.43462705536365 3.30704849583176 2442614.488591579 1.56348462285904 91.3174237571926 17.9411391763129 -81.0736265228361 2803598.06653548 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
2011-Jun-03 10:36 < 00:01 Jupiter 1.92283579689436 1.92283527026147 1.92283632352714 3.17969018251101 3.03799535528199 2455715.941677628 0.304471666685214 48.0019899586363 16.3973989317532 -81.0610221134268 2664560.47002302 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
2047-Apr-14 05:32 00:01 Jupiter 1.89228180099058 1.89228112644997 1.89228247553152 2.97715383375828 2.82280103028054 2468814.730209595 1.23494295554253 75.2443246368767 12.9742969396033 -78.19969920922 2503171.29070697 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
2083-Feb-22 12:15 00:03 Jupiter 1.86378023671233 1.86377946990609 1.86378100351996 2.78883904672617 2.62081926695409 2481913.010281225 2.62199127706107 111.253734615963 9.55756889551619 -82.7315356857345 2449199.56802215 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
2118-Dec-29 04:55 00:04 Jupiter 1.84478150386464 1.84478073368296 1.84478227404842 2.64230236629626 2.46241171649277 2495005.704940784 4.03920164800939 131.444743288987 7.46728265837939 -86.7721620436119 2379953.47603384 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
2154-Nov-02 17:11 00:06 Jupiter 1.83770936617371 1.8377087830115 1.83770994933758 2.54134387850553 2.35299903917739 2508098.215713954 5.50896330417478 131.33653761864 8.88425679285304 87.8504066318149 2409760.6334619 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
2190-Sep-04 17:17 00:07 Jupiter 1.83163980369772 1.8316394248219 1.83164018257354 2.45812553959764 2.26218970468962 2521188.220137448 7.08195892156427 119.61315872799 14.7452414950048 80.6385646488903 2565506.26859454 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 23:52:09 2021-Apr-13 23:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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