Geographos

01620, 1951 RA, 1951RA, 1983 CY3, 1983CY3, J51R00A, J83C03Y

All data for this body: [vot]

MPC data
Name (number) Geographos (1620)
a 1.24566
e 0.33564
i / sin(i) 13.3358 / 0.23066
q 0.82757
Q 1.66375
ω 277.0026
Node 337.1486
m 71.1511
n 0.7089
Epoch 2460800.5
nobs 8184
nopp 41
Years observed 1951-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 15.270
Mass
D 2.42 0.046
pV 0.055 0.0025
Value
Rotational Period 5.222
Period quality 3
Spectral Class S
Spectral Class Score 149.000
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.77 0.100 0.100 Tedesco 2002AJ....123.1056T STM
1.96 0.060 0.060 Nugent 2016AJ....152...63N NEATM
4.36 0.101 0.101 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.053 0.0025 0.0025 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.320 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.326 0.0510 0.0510 Tedesco 2002AJ....123.1056T STM
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
15.27 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.2 2- Synodic Behrend LCDB Lightcurve
5.2201 3 Synodic Warner 2020MPBu...47...23W Lightcurve
5.2201 3 Synodic Warner 2020MPBu...47..105W Lightcurve
5.222 3 Synodic Higgins 2008MPBu...35..123H Lightcurve
5.22204 3 Synodic Hamanowa LCDB Lightcurve
5.22229 3 Synodic Behrend LCDB Lightcurve
5.2229 3 Synodic Skiff 2019MPBu...46..238S Lightcurve
5.223 3 Synodic Dunlap 1974AJ.....79..324D Lightcurve
5.223 3 Synodic Warner 2016MPBu...43..143W Lightcurve
5.2231 3 Synodic Warner 2019MPBu...46..304W Lightcurve
5.223326 2 Sidereal Kaasalainen 2001Icar..153...37K Model
5.223326 2 Sidereal Magnusson 1996Icar..123..227M Model
5.223327 2 Sidereal Hudson 1999Icar..140..369H Model
5.223328 2 Sidereal Kwiatkowski 1995A&A...294..274K Model
5.223328 2 Sidereal Michalowski 1994AcA....44..223M Model
5.223336 2 Sidereal Durech 2022A&A...657A...5D Model
5.223336 3 Sidereal Durech 2008A&A...489L..25D Model
5.224 2 Synodic Polishook 2009MPBu...36..119P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q Tholen VIS Hicks 1998Icar..133...69H SPEC
Q 0.990000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Binzel 2010Natur.463..331B SPEC
S Bus-DeMeo NIR Marsset 2022AJ....163..165M SPEC
S Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Bus-DeMeo VISNIR Sanchez 2012Icar..220...36S SPEC
S Bus-DeMeo VISNIR Thomas 2010Icar..205..419T SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S Bus VISNIR Binzel 2004Icar..170..259B SPEC
S Tholen VIS Clark 1995Icar..113..387C PHOT
S Tholen VIS Fevik 2007Icar..188..175F SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sq Bus-DeMeo VISNIR Sanchez 2012Icar..220...36S SPEC
Sqw Bus-DeMeo VISNIR Gietzen 2012M&PS...47.1789G SPEC
Sqw Bus-DeMeo VISNIR Sanchez 2012Icar..220...36S SPEC