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173846 (2001 TX125)
Classification: Main-belt Asteroid          SPK-ID: 2173846
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396340070159791 6.3808e-08  
a 2.848518243358433 1.792e-08 au
q 2.450768226980177 1.8195e-07 au
i 8.178879320348534 5.1668e-06 deg
node 299.4330643239983 3.9619e-05 deg
peri 41.86612077849252 4.4701e-05 deg
M 29.42473017957852 1.7332e-05 deg
tp 2459056.971904193553
(2020-Jul-26.47190419)
8.4729e-05 TDB
period 1756.009797710268
4.81
1.657e-05
4.537e-08
d
yr
n .2050102456543343 1.9346e-09 deg/d
Q 3.246268259736689 2.0422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:48  

Additional Information
 Earth MOID = 1.44695 au 
 Jupiter MOID = 2.14441 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457859.5 (2017-Apr-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417528205968012 6.3812e-08  
q 2.44411799667636 1.8263e-07 au
tp 2457303.169027806343
(2015-Oct-07.66902781)
8.7282e-05 TDB
node 299.5148993120186 3.9694e-05 deg
peri 42.32563080030322 4.4629e-05 deg
i 8.17215118415433 5.1622e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52901  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:48  

Additional Information
 Jupiter MOID = 2.14441 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.071944203595917E-15 -1.161199083566103E-14 1.871967466357766E-12 3.20149474561621E-14 4.443224111697745E-13 -1.126680000305242E-14
q -1.161199083566103E-14 3.335289821667258E-14 -5.815464348401105E-12 -8.734023926345967E-14 -1.363819829325928E-12 3.338371715256171E-14
tp 1.871967466357766E-12 -5.815464348401105E-12 7.618161595529168E-9 2.485073988428964E-11 1.821230161646427E-9 -7.156347588866322E-12
node 3.20149474561621E-14 -8.734023926345967E-14 2.485073988428964E-11 1.575582112631606E-9 -1.553122855567699E-9 1.095752660001168E-10
peri 4.443224111697745E-13 -1.363819829325928E-12 1.821230161646427E-9 -1.553122855567699E-9 1.991720108055066E-9 -1.102460995120596E-10
i -1.126680000305242E-14 3.338371715256171E-14 -7.156347588866322E-12 1.095752660001168E-10 -1.102460995120596E-10 2.664878584631515E-11

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 15.57   n/a E2021B55  
diameter diameter 2.901 km 0.536 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173846 (2001 TX125)          Discovered 2001-Oct-12 by NEAT at Haleakala
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
1957-Feb-10 03:46 00:06 Amphi 0.0383547178606148 0.0383379464405464 0.0383714977566995 3.18141665464977 3.18141660753754 2435879.656720705 5.63485730585541 1230.46885949943 82.5884937845059 -47.343770133725 51149.0896044445 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:49 2021-Apr-13 20:58
1959-Dec-29 10:02 00:03 Hygie 0.0275244862813322 0.0275083255475749 0.0275406521334856 3.25785667874832 3.25785624787335 2436931.918180101 3.13475052461347 1000.12023902097 94.8899797195682 36.6805995542646 26058.9345241182 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:49 2021-Apr-13 20:58
2171-Oct-05 15:06 00:08 Hygie 0.0478107281534347 0.047764002311879 0.0478574873136777 3.19300923431939 3.19300898122827 2514279.128979275 7.75043441931488 3055.43589133507 94.844121370861 -40.5305122270908 48900.8319194509 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:49 2021-Apr-13 20:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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