1999 DS2

1999DS2, 29822, J99D02S

All data for this body: [vot]

MPC data
Name (number) 1999 DS2 (29822)
a 2.76782
e 0.15268
i / sin(i) 9.2924 / 0.16147
q 2.34522
Q 3.19043
ω 183.0219
Node 343.7407
m 241.1408
n 0.2140
Epoch 2460800.5
nobs 2291
nopp 22
Years observed 1953-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.768
ep 0.200
sin(ip) 0.166
G 0.150
H 14.210
Mass
D 4.50 0.705
pV 0.200 0.0371
Value
Rotational Period 6.295
Period quality 2
Spectral Class S
Spectral Class Score 5.695
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7679 0.1998 0.1658 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.50 0.705 0.705 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.0371 0.0371 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
14.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.29498 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.583 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2732 0.5100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6760 0.5100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT