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173258 (1999 RT136)
Classification: Main-belt Asteroid          SPK-ID: 2173258
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2493856805671605 4.3866e-08  
a 2.45887742926485 1.4336e-08 au
q 1.845668608136406 1.1359e-07 au
i .7090383322578445 6.4747e-06 deg
node 258.9521927148015 0.00037972 deg
peri 50.23481830362751 0.00038005 deg
M 204.2675687919173 1.9763e-05 deg
tp 2459809.728638545541
(2022-Aug-18.22863855)
8.1284e-05 TDB
period 1408.327784874469
3.86
1.2316e-05
3.372e-08
d
yr
n .2556223088590761 2.2355e-09 deg/d
Q 3.072086250393295 1.7911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      7479 days (20.48 yr)  
   first obs. used      1999-08-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:23  

Additional Information
 Earth MOID = .829183 au 
 Jupiter MOID = 2.2051 au 
 T_jup = 3.447 
[ 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 16.9   n/a MPO454189  

173258 (1999 RT136)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1966-Oct-12 06:14 00:03 Psych 0.0118483582185555 0.0118464252882105 0.0118502912202178 3.29048891584292 3.29048860550519 2439410.759924829 3.13689686912071 395.539753613245 95.5754389692656 88.2881673778356 18511.9003138919 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 17:01:40 2020-Feb-24 17:01
2136-Sep-04 02:16 00:08 Psych 0.00728512152685658 0.00726651566377398 0.00730372997034674 3.31220894625959 3.31220844484304 2501464.594743280 7.50722347473433 951.801192517929 94.0804768323966 13.2563279414076 2875.67616642867 T 12 CATAB v2.0f-lin.ifort 2020-Feb-24 17:01:40 2020-Feb-24 17:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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