2000 AR177

2000AR177, 1990 HE3, 1990HE3, 41399, J90H03E, K00AH7R

All data for this body: [vot]

MPC data
Name (number) 2000 AR177 (41399)
a 3.17877
e 0.09276
i / sin(i) 17.3821 / 0.29874
q 2.88389
Q 3.47364
ω 276.9134
Node 127.0759
m 217.1681
n 0.1739
Epoch 2460800.5
nobs 2683
nopp 25
Years observed 1990-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.174
ep 0.051
sin(ip) 0.278
G 0.150
H 13.260
Mass
D 12.35 0.445
pV 0.045 0.0074
Value
Rotational Period 7.766
Period quality 2
Spectral Class X
Spectral Class Score 0.683
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1740 0.0507 0.2784 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.29 0.450 0.450 Masiero 2012ApJ...759L...8M NEATM
14.75 3.630 3.630 Nugent 2016AJ....152...63N NEATM
17.00 6.020 6.020 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.074 0.0130 0.0130 Masiero 2012ApJ...759L...8M 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
13.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.7669 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X X 0.1138 0.1090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
XD 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT