Jeffers

01934, 1951 AN1, 1951AN1, 1961 YA, 1961YA, 1972 XB, 1972XB, 2019 GT25, 2019GT25, J51A01N, J61Y00A, J72X00B, K19G25T

All data for this body: [vot]

MPC data
Name (number) Jeffers (1934)
a 2.38964
e 0.29948
i / sin(i) 23.1534 / 0.39320
q 1.67399
Q 3.10530
ω 294.7852
Node 86.4673
m 95.2551
n 0.2668
Epoch 2460800.5
nobs 7353
nopp 30
Years observed 1951-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.390
ep 0.254
sin(ip) 0.393
G 0.150
H 12.600
Mass
D 9.39 0.041
pV 0.251 0.0204
Value
Rotational Period 6.042
Period quality 3
Spectral Class S
Spectral Class Score 17.796
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3900 0.2542 0.3934 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.36 0.734 0.734 Ryan&Woodward 2010AJ....140..933R IRAS-STM
6.46 0.400 0.400 Tedesco 2002AJ....123.1056T STM
8.75 3.191 3.191 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
9.24 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
9.46 0.045 0.045 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.218 0.0270 0.0270 Masiero 2011ApJ...741...68M NEATM
0.250 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.252 0.1772 0.1772 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.322 0.0480 0.0480 Tedesco 2002AJ....123.1056T STM
0.344 0.0787 0.0787 Ryan&Woodward 2010AJ....140..933R IRAS-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
12.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.0427 3 Synodic Pravec LCDB Lightcurve
9.04 3 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 Tholen VIS Xu 1995Icar..115....1X SPEC
S 0.966 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC