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15460 Manca (1998 YD10)
Classification: Main-belt Asteroid          SPK-ID: 2015460
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08951050483575887 3.6193e-08  
a 2.90509884039402 1.3827e-08 au
q 2.645061976592574 1.0407e-07 au
i 3.28742551364073 3.0575e-06 deg
node 92.42003071008436 7.6248e-05 deg
peri 320.2247121473139 7.9304e-05 deg
M 195.6666010250478 2.1671e-05 deg
tp 2460026.087547251424
0.00010992 TDB
period 1808.588630579069
n .1990502394592275 1.4211e-09 deg/d
Q 3.165135704195467 1.5064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1939  
   data-arc span      25683 days (70.32 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:59:22  

Additional Information
 Earth MOID = 1.65639 au 
 Jupiter MOID = 2.13339 au 
 T_jup = 3.277 
[ 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 13.65   n/a MPCxxxxx  
diameter diameter 5.354 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 7.272 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.295   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

15460 Manca           Discovered 1998 Dec. 25 by A. Boattini and L. Tesi at San Marcello Pistoiese.
Francesco Manca (b. 1966), an amateur astronomer at the Sormano Astronomical Observatory, has made several observations of potentially hazardous asteroids, computing for each of them future and past close encounters with our planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001013/MPCPages.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
2020-May-16 09:32 00:02 Cybel 0.0128506077891838 0.0128484552110416 0.0128527603893721 2.62800911966084 2.62800893953938 2458985.897093265 1.53234950554958 111.391581347595 51.0617510111391 17.7452632272038 20022.4108276163 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 00:59:29 2021-Apr-13 00:59

Alternate Designations
 1998 YD10 = 1994 ET1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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