Niobe

00071, 1861 PA, 1861PA, I61P00A

All data for this body: [vot]

MPC data
Name (number) Niobe (71)
a 2.75354
e 0.17653
i / sin(i) 23.2442 / 0.39465
q 2.26745
Q 3.23963
ω 267.0964
Node 315.9159
m 248.5793
n 0.2157
Epoch 2460200.5
nobs 4012
nopp 66
Years observed 1864-2023
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Gallia (148)
 
ap 2.755
ep 0.164
sin(ip) 0.419
Value Standard error
G 0.150
H 7.260
Mass 8.071e+17 2.286e+17
D 86.60 0.451
pV 0.318 0.0090
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
148 Gallia 802 Gallia -11.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7552 0.1641 0.4195 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.5718e+17 3.2325e+17 3.2325e+17 Fienga INPOP19a Ephem
9.5700e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
73.12 1.946 1.946 Ryan&Woodward 2010AJ....140..933R IRAS-STM
75.87 3.280 3.280 Masiero 2012ApJ...759L...8M NEATM
80.86 0.800 0.800 Usui 2011PASJ...63.1117U NEATM
82.05 2.620 2.620 Masiero 2014ApJ...791..121M NEATM
82.87 8.290 8.290 Ali-Lagoa 2018A&A...612A..85A NEATM
83.42 1.700 1.700 Tedesco 2002AJ....123.1056T STM
90.03 3.888 3.888 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
90.68 9.070 9.070 Ali-Lagoa 2018A&A...612A..85A NEATM
92.84 0.644 0.644 Masiero 2011ApJ...741...68M NEATM
97.00 20.000 20.000 Shepard 2008Icar..195..184S RADAR
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.247 0.0346 0.0346 Masiero 2011ApJ...741...68M NEATM
0.262 0.0233 0.0233 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.305 0.0130 0.0130 Tedesco 2002AJ....123.1056T STM
0.320 0.0800 0.0800 Masiero 2014ApJ...791..121M NEATM
0.325 0.0650 0.0650 Ali-Lagoa 2018A&A...612A..85A NEATM
0.369 0.0330 0.0330 Masiero 2012ApJ...759L...8M NEATM
0.389 0.0780 0.0780 Ali-Lagoa 2018A&A...612A..85A NEATM
0.399 0.0211 0.0211 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
7.26 MPC-2023-12-04 MPC-2023-12-04 Phot