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150251 (1999 JR99)
Classification: Main-belt Asteroid          SPK-ID: 2150251
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130918473684984 3.6428e-08  
a 2.679566457590902 1.1662e-08 au
q 2.108572690996194 9.6494e-08 au
i 16.09642992486498 4.1729e-06 deg
node 170.251195122335 1.5347e-05 deg
peri 79.24545238399233 1.8473e-05 deg
M 11.28704642787888 9.2117e-06 deg
tp 2459346.268859765598
(2021-May-11.76885977)
4.0974e-05 TDB
period 1602.120678773788
4.39
1.0459e-05
2.864e-08
d
yr
n .2247021742928458 1.467e-09 deg/d
Q 3.250560224185611 1.4147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8083 days (22.13 yr)  
   first obs. used      1999-05-12  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53135  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:22:16  

Additional Information
 Earth MOID = 1.16576 au 
 Jupiter MOID = 1.98629 au 
 T_jup = 3.289 
[ 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 15.51   n/a MPO614063  

150251 (1999 JR99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ 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
2071-Apr-05 16:58 00:01 Jupiter 1.97971433022423 1.97971389787149 1.97971476257696 3.56281053330846 3.44062743457247 2477572.206991487 1.05137996848883 141.165591186984 19.953248285951 88.3061079769912 2129720.43872279 T 23 CATAB v2.0g-lin.ifort 2021-Jul-08 09:22:18 2021-Jul-08 09:22

Alternate Designations
 1999 JR99 = 2003 DT22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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