Marygardner

19473, 1981 UR8, 1981UR8, 1998 HE60, 1998HE60, 1999 RA100, 1999RA100, J81U08R, J98H60E, J99RA0A

All data for this body: [vot]

MPC data
Name (number) Marygardner (19473)
a 2.41168
e 0.08602
i / sin(i) 6.9013 / 0.12016
q 2.20423
Q 2.61912
ω 201.6675
Node 246.8401
m 189.9538
n 0.2632
Epoch 2460800.5
nobs 2394
nopp 22
Years observed 1981-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.411
ep 0.103
sin(ip) 0.134
G 0.150
H 14.760
Mass
D 3.29 0.441
pV 0.236 0.0315
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.687
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4112 0.1035 0.1342 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.29 0.441 0.441 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.236 0.0315 0.0315 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
14.76 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S S 0.6965 0.8320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9180 0.8320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.64 Bus VIS Carvano 2010A&A...510A..43C PHOT