Grammier

18728, 1984 CL1, 1984CL1, 1998 KZ3, 1998KZ3, 1999 NF42, 1999NF42, J84C01L, J98K03Z, J99N42F

All data for this body: [vot]

MPC data
Name (number) Grammier (18728)
a 2.69544
e 0.19353
i / sin(i) 5.4166 / 0.09440
q 2.17378
Q 3.21710
ω 9.6235
Node 112.2702
m 126.5296
n 0.2227
Epoch 2460800.5
nobs 4088
nopp 23
Years observed 1984-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.694
ep 0.218
sin(ip) 0.073
G 0.150
H 13.960
Mass
D 4.79 0.130
pV 0.212 0.0200
Value
Rotational Period 13.148
Period quality 2
Spectral Class C
Spectral Class Score 4.200
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6940 0.2177 0.0730 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.79 0.130 0.130 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.0200 0.0200 Masiero 2011ApJ...741...68M NEATM
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
13.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.1486 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.700 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT