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3764 Holmesacourt (1980 TL15)
Classification: Main-belt Asteroid          SPK-ID: 2003764
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09031480774584169 1.512e-08  
a 2.249358573785278 5.8492e-09 au
q 2.0462081866424 3.5055e-08 au
i 4.881025407550693 2.5379e-07 deg
node 146.0803959875369 1.3025e-05 deg
peri 326.2943439664256 1.4559e-05 deg
M 254.5748026008822 9.2016e-06 deg
tp 2459561.351394327106
(2021-Dec-12.85139433)
3.2303e-05 TDB
period 1232.214927385521
3.37
4.8064e-06
1.316e-08
d
yr
n .2921568242675309 1.1396e-09 deg/d
Q 2.452508960928156 6.3775e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3216  
   data-arc span      23000 days (62.97 yr)  
   first obs. used      1958-02-22  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:31:01  

Additional Information
 Earth MOID = 1.06452 au 
 Jupiter MOID = 2.61064 au 
 T_jup = 3.618 
[ 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 13.34   n/a E2021B10  
diameter diameter 5.738 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.27618 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.309   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3764 Holmesacourt (1980 TL15)          Discovered 1980-Oct-10 by at Perth
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 TL15 = 1958 DA1 = 1958 DE = 1975 EJ3 = 1980 XC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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