2001 UR27

2001UR27, K01U27R, O1872

All data for this body: [vot]

MPC data

Name (number)	2001 UR27 (241872)
a	3.14902
e	0.30318
i / sin(i)	24.3325 / 0.41203
q	2.19429
Q	4.10376
ω	286.6192
Node	74.1224
m	77.3538
n	0.1764
Epoch	2460800.5

n_obs	1585
n_opp	18
Years observed	1990-2025
rms	0.53

Best values

	Value	Standard error
Parent

a_p	3.150
e_p	0.231
sin(i_p)	0.417
G	0.150
H	14.860
Mass
D	7.09	0.807
pV	0.046	0.0066

	Value
Rotational Period	16.116
Period quality	2
Spectral Class	V
Spectral Class Score	0.235

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
31	Euphrosyne	0	Euphrosyne		Novakovic	2019EPSC...13.1671N	HCM

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1496	0.2311	0.4174	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
6.04	1.910	1.910	Masiero	2021PSJ.....2..162M	NEATM
7.11	1.700	1.700	Masiero	2020PSJ.....1....5M	NEATM
7.22	1.422	1.422	Masiero	2011ApJ...741...68M	NEATM
7.59	1.540	1.540	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.044	0.0077	0.0077	Masiero	2011ApJ...741...68M	NEATM
0.049	0.0144	0.0144	Masiero	2011ApJ...741...68M	NEATM
0.050	0.0370	0.0370	Masiero	2020PSJ.....1....5M	NEATM
0.064	0.0300	0.0580	Masiero	2021PSJ.....2..162M	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
14.86			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
16.1163	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
C	C	0.0114	0.0100	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
V	C	0.0392	0.0100	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT