Haas

03853, 1981 WG1, 1981WG1, 1985 RW1, 1985RW1, J81W01G, J85R01W

All data for this body: [vot]

MPC data
Name (number) Haas (3853)
a 2.80737
e 0.13767
i / sin(i) 9.0823 / 0.15785
q 2.42087
Q 3.19387
ω 282.3828
Node 142.7655
m 75.9315
n 0.2095
Epoch 2460800.5
nobs 4342
nopp 26
Years observed 1981-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.808
ep 0.120
sin(ip) 0.148
G 0.150
H 12.800
Mass
D 8.40 0.103
pV 0.199 0.0154
Value
Rotational Period 541.400
Period quality 2
Spectral Class S
Spectral Class Score 14.539
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8085 0.1204 0.1480 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.91 1.700 1.700 Nugent 2016AJ....152...63N NEATM
8.06 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
8.72 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.190 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.194 0.0170 0.0170 Masiero 2011ApJ...741...68M NEATM
0.230 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
12.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
541.1 2 Sidereal Durech 2023A&A...675A..24D Model
541.44 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Bus 2002Icar..158..146B SPEC
S Q 0.890000 0.100000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.8481 0.8481 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT