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469377 (2001 SM99)
Classification: Main-belt Asteroid          SPK-ID: 2469377
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005996856814347448 7.9903e-08  
a 3.013377574488582 4.164e-08 au
q 2.995306780646808 2.3538e-07 au
i 10.45268270183474 9.9597e-06 deg
node 185.120522257638 3.0108e-05 deg
peri 158.0195553650684 0.00066253 deg
M 221.7006237319227 0.00066371 deg
tp 2459734.500702280929
(2022-Jun-04.00070228)
0.0035286 TDB
period 1910.639512277591
5.23
3.9603e-05
1.084e-07
d
yr
n .1884185884813297 3.9054e-09 deg/d
Q 3.031448368330356 4.1889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6878 days (18.83 yr)  
   first obs. used      2001-09-12  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:20:48  

Additional Information
 Earth MOID = 1.99128 au 
 Jupiter MOID = 1.95702 au 
 T_jup = 3.223 
[ 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 16.1   n/a MPO437768  

469377 (2001 SM99)          Discovered 2001-Sep-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ 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
1975-Nov-16 22:32 00:02 Jupiter 1.95419491849353 1.95419410722324 1.95419572976383 4.47298377203523 4.37500944478685 2442733.438986621 2.4725498871036 198.119460823279 36.8644869923956 -89.9715329972578 1748913.37403595 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 04:20:48 2020-Nov-12 04:20
2022-Sep-20 09:50 < 00:01 Jupiter 1.95949618344713 1.9594953846328 1.95949698226135 4.49967641819765 4.40256254377483 2459842.909928829 0.478209594291571 63.6136634989022 35.4267964436063 82.2221638031547 1782341.52814044 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 04:20:48 2020-Nov-12 04:20
2153-Nov-28 18:32 00:08 Jupiter 1.96140789946942 1.9614065139925 1.96140928499807 4.43288580965819 4.33437288578552 2507759.272383230 8.34953951704603 636.040623578187 37.5283558043141 84.7557923926131 1743964.93979852 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 04:20:48 2020-Nov-12 04:20
2200-Oct-03 13:27 00:11 Jupiter 1.95326862546437 1.95326756230485 1.95326968869595 4.51483674744964 4.41774417287564 2524869.060118762 11.1496387274317 899.653446412086 36.2305925793185 -87.7490636251867 1815518.20937963 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 04:20:48 2020-Nov-12 04:20

Alternate Designations
 2001 SM99 = 2015 HW34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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