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17122 (1999 JH63)
Classification: Main-belt Asteroid          SPK-ID: 2017122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05047336465350271 1.8976e-08  
a 2.861492322138818 1.0474e-08 au
q 2.717063176710307 5.2927e-08 au
i 2.832030022725298 1.0504e-06 deg
node 54.89563288557974 2.1811e-05 deg
peri 256.1341940761642 3.2456e-05 deg
M 106.5263204226072 2.0322e-05 deg
tp 2458677.331328415622
(2019-Jul-12.83132842)
9.9524e-05 TDB
period 1768.020532608262
4.84
9.7071e-06
2.658e-08
d
yr
n .2036175447967859 1.1179e-09 deg/d
Q 3.005921467567329 1.1002e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2582  
   data-arc span      14385 days (39.38 yr)  
   first obs. used      1981-10-24  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:54:04  

Additional Information
 Earth MOID = 1.70238 au 
 Jupiter MOID = 2.12328 au 
 T_jup = 3.298 
[ 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 13.33   n/a MPCxxxxx  
rotation period rot_per 290.079 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

17122 (1999 JH63)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ 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
2019-Mar-06 12:21 < 00:01 Eunom 0.0144383296854468 0.0144367886398429 0.014439871011603 5.18984636882268 5.18984618148616 2458549.014439771 0.501684720331704 136.300370496146 34.9016278492871 -58.7154824502364 53488.3548063975 T 68 CATAB v2.0f-lin.ifort 2021-Apr-13 01:54:45 2021-Apr-13 01:54
2139-Dec-05 08:25 00:02 Hygie 0.0464343945423461 0.0464308013415739 0.0464379993296931 2.2598149049692 2.2598145367641 2502651.850424121 1.78448031122447 1178.70662629145 28.6729831396401 81.4382680084466 238239.625334456 T 68 CATAB v2.0f-lin.ifort 2021-Apr-13 01:54:45 2021-Apr-13 01:54

Alternate Designations
 1999 JH63 = 1981 UV16 = 1986 WE4 = 1991 XL4 = 1999 LH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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