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24585 (4201 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2024585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04088440104227265 4.8629e-08  
a 2.930816686348599 1.8168e-08 au
q 2.810992001562538 1.4499e-07 au
i 6.451903001967888 5.7149e-06 deg
node 33.99395200548735 6.0067e-05 deg
peri 208.8083124796484 0.00013733 deg
M 305.5021822882903 0.0001267 deg
tp 2459673.932938125876
(2022-Apr-04.43293813)
0.00064506 TDB
period 1832.657928683546
5.02
1.7041e-05
4.666e-08
d
yr
n .1964360038856782 1.8265e-09 deg/d
Q 3.05064137113466 1.8911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      17404 days (47.65 yr)  
   first obs. used      1973-09-20  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:19:24  

Additional Information
 Earth MOID = 1.80088 au 
 Jupiter MOID = 1.93315 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457565.5 (2016-Jun-26.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04263522124200259 4.9483e-08  
q 2.807663624322374 1.4847e-07 au
tp 2457834.115672663697
(2017-Mar-21.61567266)
0.00061549 TDB
node 34.02074377011059 6.0072e-05 deg
peri 207.3819555011382 0.00013211 deg
i 6.45162416415386 5.7165e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      17404 days (47.65 yr)  
   first obs. used      1973-09-20  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:19:24  

Additional Information
 Jupiter MOID = 1.93315 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.448605734560725E-15 -7.296764279656686E-15 -1.809252936446172E-11 -2.008917721166636E-14 -3.360702814630661E-12 -1.88818500540692E-15
q -7.296764279656686E-15 2.204262611285288E-14 5.374979991495833E-11 5.814255181462799E-14 9.97314962099753E-12 5.760948949980092E-15
tp -1.809252936446172E-11 5.374979991495833E-11 3.788314351299058E-7 1.546845308086522E-10 7.249526160438581E-8 6.535853456133629E-11
node -2.008917721166636E-14 5.814255181462799E-14 1.546845308086522E-10 3.608609068806314E-9 -3.556380303416254E-9 -2.120188094120975E-10
peri -3.360702814630661E-12 9.97314962099753E-12 7.249526160438581E-8 -3.556380303416254E-9 1.745419992993654E-8 2.232702521016111E-10
i -1.88818500540692E-15 5.760948949980092E-15 6.535853456133629E-11 -2.120188094120975E-10 2.232702521016111E-10 3.267845170937275E-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 14.49   n/a MPO636427  
rotation period rot_per 4.4065 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

24585 (4201 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 4201 T-2 = 2001 BV74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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