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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04088440223132853 4.8593e-08  
a 2.930816686191246 1.8167e-08 au
q 2.810991997926714 1.4488e-07 au
i 6.451902977414585 5.7147e-06 deg
node 33.9939516012423 6.0063e-05 deg
peri 208.8083116957519 0.00013732 deg
M 305.5021836226392 0.00012669 deg
tp 2459673.932931310742
(2022-Apr-04.43293131)
0.00064498 TDB
period 1832.657928535955
5.02
1.7039e-05
4.665e-08
d
yr
n .1964360039014979 1.8264e-09 deg/d
Q 3.050641374455778 1.8909e-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      .5305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:01:57  

Additional Information
 Earth MOID = 1.80088 au 
 Jupiter MOID = 1.93315 au 
 T_jup = 3.266 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457564.5 (2016-Jun-25.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04263866289939801 4.9447e-08  
q 2.807659529728406 1.4835e-07 au
tp 2457834.114879262970
(2017-Mar-21.61487926)
0.00061538 TDB
node 34.02082533198178 6.0068e-05 deg
peri 207.3818678762574 0.0001321 deg
i 6.451607827429047 5.7163e-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      .5305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:01:57  

Additional Information
 Jupiter MOID = 1.93315 au 
 T_jup = 3.266 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.444964052611442E-15 -7.285616472153442E-15 -1.807385120528325E-11 -2.001107735017352E-14 -3.357481339314627E-12 -1.883185363488562E-15
q -7.285616472153442E-15 2.200850204836646E-14 5.369194604362709E-11 5.791068659597715E-14 9.963157993565294E-12 5.744661475782093E-15
tp -1.807385120528325E-11 5.369194604362709E-11 3.786978916076863E-7 1.535956115990819E-10 7.24718774935691E-8 6.528715473567336E-11
node -2.001107735017352E-14 5.791068659597715E-14 1.535956115990819E-10 3.608156523061559E-9 -3.556137514073963E-9 -2.120500418556265E-10
peri -3.357481339314627E-12 9.963157993565294E-12 7.24718774935691E-8 -3.556137514073963E-9 1.74496666731915E-8 2.232877822379433E-10
i -1.883185363488562E-15 5.744661475782093E-15 6.528715473567336E-11 -2.120500418556265E-10 2.232877822379433E-10 3.267656903111707E-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 14.48   n/a MPCxxxxx  
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

[ show close-approach data ]
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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