Neoptolemus

02260, 1951 XK, 1951XK, 1975 WM1, 1975WM1, J51X00K, J75W01M

All data for this body: [vot]

MPC data
Name (number) Neoptolemus (2260)
a 5.20138
e 0.04448
i / sin(i) 17.7726 / 0.30524
q 4.97002
Q 5.43274
ω 323.0366
Node 86.5772
m 96.8286
n 0.0831
Epoch 2460800.5
nobs 4766
nopp 33
Years observed 1951-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 9.380
Mass
D 77.16 0.735
pV 0.054 0.0043
Value
Rotational Period 8.100
Period quality 3
Spectral Class D
Spectral Class Score 29.562
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
71.65 3.400 3.400 Tedesco 2002AJ....123.1056T STM
76.43 0.790 0.790 Grav 2012ApJ...759...49G NEATM
81.28 3.750 3.750 Usui 2011PASJ...63.1117U NEATM
83.04 16.610 16.610 Ali-Lagoa 2018A&A...612A..85A NEATM
92.37 3.390 3.390 Grav 2011ApJ...742...40G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0080 0.0080 Grav 2011ApJ...742...40G NEATM
0.048 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0080 0.0080 Grav 2012ApJ...759...49G NEATM
0.065 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.38 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.0 1 Synodic Binzel 1992Icar...95..222B Lightcurve
8.18 2- Synodic Stephens 2016MPBu...43...15S Lightcurve
8.18 3 Synodic Mottola 2011AJ....141..170M Lightcurve
8.18 3 Synodic Mottola 2011AJ....141..170M Lightcurve
8.199 2 Synodic Stephens 2016MPBu...43..323S Lightcurve
8.202 3- Synodic Stephens 2022MPBu...49...51S Lightcurve
8.5 1 Synodic Angeli 1999P&SS...47..699A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Barucci-Tholen VIS Fitzsimmons 1994A&A...282..634F SPEC
D Barucci-Tholen VIS Lagerkvist 1993MNRAS.260..679L SPEC
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.715 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D 0.85 Bus VIS Carvano 2010A&A...510A..43C PHOT
D 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
D D 0.7737 0.7737 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT