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26041 (4172 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2026041
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324325689278306 3.3906e-08  
a 2.408401017744418 8.3491e-09 au
q 2.089450283956123 8.1372e-08 au
i 1.697884443561965 3.6192e-06 deg
node 130.6132089359951 0.00013542 deg
peri 113.2622700639864 0.00013619 deg
M 9.162684271417083 1.4592e-05 deg
tp 2458965.753437096651
(2020-Apr-26.25343710)
5.532e-05 TDB
period 1365.185383962922
3.74
7.0989e-06
1.944e-08
d
yr
n .2637004499381436 1.3712e-09 deg/d
Q 2.727351751532713 9.4548e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      18037 days (49.38 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:31:11  

Additional Information
 Earth MOID = 1.077 au 
 Jupiter MOID = 2.28422 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456798.5 (2014-May-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331061263404816 3.3869e-08  
q 2.086968936258746 8.1307e-08 au
tp 2456235.224263991163
(2012-Nov-03.72426399)
5.5305e-05 TDB
node 130.6242054524229 0.00013548 deg
peri 113.0984228206909 0.00013624 deg
i 1.697229074953056 3.6194e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      18037 days (49.38 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:31:11  

Additional Information
 Jupiter MOID = 2.28422 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.147102847348986E-15 -2.742757346984336E-15 -5.014201072720894E-13 -3.751331790155853E-15 -1.358462924136632E-13 -2.553931707298794E-16
q -2.742757346984336E-15 6.610834702477043E-15 1.143250138510762E-12 9.375875479242245E-15 3.143118363302532E-13 6.398931331323141E-16
tp -5.014201072720894E-13 1.143250138510762E-12 3.058588117856162E-9 1.181855304445952E-11 8.109853600885306E-10 1.880276867508332E-13
node -3.751331790155853E-15 9.375875479242245E-15 1.181855304445952E-11 1.835550853219071E-8 -1.834421339908281E-8 9.874187878552177E-11
peri -1.358462924136632E-13 3.143118363302532E-13 8.109853600885306E-10 -1.834421339908281E-8 1.856209121762474E-8 -9.864355973413956E-11
i -2.553931707298794E-16 6.398931331323141E-16 1.880276867508332E-13 9.874187878552177E-11 -9.864355973413956E-11 1.310025127701515E-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 15.5   n/a MPO351005  
diameter diameter 3.457 km 0.951 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 10.30 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.059   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

26041 (4172 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4172 T-1 = 1994 NR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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