Ask

04894, 1957 OG, 1957OG, 1969 EK, 1969EK, 1976 KY, 1976KY, 1986 RJ, 1986RJ, J57O00G, J69E00K, J76K00Y, J86R00J

All data for this body: [vot]

MPC data
Name (number) Ask (4894)
a 2.17374
e 0.19465
i / sin(i) 2.6386 / 0.04604
q 1.75061
Q 2.59686
ω 47.1459
Node 263.5490
m 45.8480
n 0.3075
Epoch 2460800.5
nobs 4228
nopp 29
Years observed 1951-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.174
ep 0.129
sin(ip) 0.055
G 0.150
H 13.480
Mass
D 4.98 0.087
pV 0.307 0.0448
Value
Rotational Period 3.630
Period quality 2+
Spectral Class S
Spectral Class Score 10.979
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1740 0.1290 0.0554 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.73 0.500 0.500 Nugent 2016AJ....152...63N NEATM
5.02 0.088 0.088 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.279 0.0483 0.0483 Masiero 2011ApJ...741...68M NEATM
0.480 0.1200 0.1200 Nugent 2016AJ....152...63N 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
13.48 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.636 2+ Synodic Skiff LCDB Lightcurve
3.64 2+ Synodic Skiff 2019MPBu...46..458S Lightcurve
3.78 2 Synodic Behrend LCDB Lightcurve
3.78 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.844 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9858 0.9858 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT