Gratia

00424, 1896 YD, 1896YD, 1948 DB, 1948DB, 1959 MA, 1959MA, I96Y00D, J48D00B, J59M00A

All data for this body: [vot]

MPC data
Name (number) Gratia (424)
a 2.77238
e 0.10967
i / sin(i) 8.2234 / 0.14303
q 2.46832
Q 3.07643
ω 334.1135
Node 99.1285
m 310.4500
n 0.2135
Epoch 2460800.5
nobs 16288
nopp 51
Years observed 1898-2025
rms 0.39
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.774
ep 0.102
sin(ip) 0.123
G 0.150
H 9.730
Mass 4.758e+17 1.607e+17
D 96.58 0.366
pV 0.028 0.0008
Value
Rotational Period 20.060
Period quality 3
Spectral Class X
Spectral Class Score 6.524
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7739 0.1017 0.1226 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.5659e+17 2.2726e+17 2.2726e+17 Fienga INPOP19a Ephem
4.9500e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
100.96 0.570 0.570 Nugent 2016AJ....152...63N NEATM
102.57 0.640 0.640 Masiero 2012ApJ...759L...8M NEATM
56.46 18.306 18.306 Masiero 2017AJ....154..168M NEATM
70.53 1.370 1.370 Masiero 2014ApJ...791..121M NEATM
71.80 20.390 20.390 Masiero 2020PSJ.....1....5M NEATM
73.36 2.534 2.534 Masiero 2011ApJ...741...68M NEATM
79.47 28.450 28.450 Masiero 2020PSJ.....1....5M NEATM
84.15 25.210 25.210 Masiero 2021PSJ.....2..162M NEATM
85.39 2.816 2.816 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
87.20 1.800 1.800 Tedesco 2002AJ....123.1056T STM
89.17 1.190 1.190 Usui 2011PASJ...63.1117U NEATM
89.17 24.240 24.240 Nugent 2016AJ....152...63N NEATM
89.64 31.340 31.340 Masiero 2020PSJ.....1....5M NEATM
89.69 3.027 3.027 Ryan&Woodward 2010AJ....140..933R IRAS-STM
91.25 18.250 18.250 Ali-Lagoa 2018A&A...612A..85A NEATM
91.34 9.130 9.130 Ali-Lagoa 2018A&A...612A..85A NEATM
95.62 31.310 31.310 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.026 0.0017 0.0017 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.027 0.0040 0.0040 Masiero 2012ApJ...759L...8M NEATM
0.028 0.0010 0.0010 Tedesco 2002AJ....123.1056T STM
0.029 0.0120 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.029 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0019 0.0019 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.033 0.0130 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.034 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.035 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.035 0.0370 0.0370 Masiero 2020PSJ.....1....5M NEATM
0.036 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.040 0.0069 0.0069 Masiero 2011ApJ...741...68M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.059 0.0373 0.0373 Masiero 2017AJ....154..168M 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
9.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.47 3- Synodic Florczak 1997P&SS...45.1423F Lightcurve
20.0603 2 Sidereal Durech 2020A&A...643A..59D Model
20.063 3 Synodic Pilcher 2022MPBu...49..185P Lightcurve
20.075 3- Synodic Polakis 2018MPBu...45..347P Lightcurve
40.106 2 Synodic Colazo 2021MPBu...48..140C Lightcurve
40.118 2 Synodic Dose 2021MPBu...48...69D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C K 0.850000 0.110000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 0.254 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Xe Bus VIS Lazzaro 2004Icar..172..179L SPEC