1999 US27

1999US27, 1998 HK97, 1998HK97, 70699, J98H97K, J99U27S

All data for this body: [vot]

MPC data
Name (number) 1999 US27 (70699)
a 2.38751
e 0.11903
i / sin(i) 2.1208 / 0.03701
q 2.10332
Q 2.67170
ω 1.2836
Node 207.6971
m 122.4587
n 0.2672
Epoch 2460800.5
nobs 1404
nopp 20
Years observed 1994-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.388
ep 0.149
sin(ip) 0.046
G 0.150
H 15.770
Mass
D 4.41 0.107
pV 0.058 0.0112
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3882 0.1492 0.0460 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.71 1.460 1.460 Masiero 2021PSJ.....2..162M NEATM
3.90 1.112 1.112 Masiero 2017AJ....154..168M NEATM
4.42 0.108 0.108 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0123 0.0123 Masiero 2011ApJ...741...68M NEATM
0.061 0.0318 0.0318 Masiero 2017AJ....154..168M NEATM
0.067 0.0330 0.0630 Masiero 2021PSJ.....2..162M 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
15.77 MPC-2023-12-04 MPC-2023-12-04 Phot