1999 VR78

1999VR78, 1998 QD61, 1998QD61, 38554, J98Q61D, J99V78R

All data for this body: [vot]

MPC data
Name (number) 1999 VR78 (38554)
a 3.22866
e 0.05230
i / sin(i) 4.4489 / 0.07757
q 3.05979
Q 3.39752
ω 262.9019
Node 260.2007
m 19.8534
n 0.1699
Epoch 2460800.5
nobs 3344
nopp 22
Years observed 1998-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.216
ep 0.098
sin(ip) 0.099
G 0.150
H 13.440
Mass
D 11.61 0.269
pV 0.075 0.0114
Value
Rotational Period 13.835
Period quality 2
Spectral Class B
Spectral Class Score 2.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2161 0.0978 0.0992 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.61 0.269 0.269 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.075 0.0114 0.0114 Masiero 2011ApJ...741...68M 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
13.44 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.8355 2 Synodic Pal 2020ApJS..247...26P Lightcurve
13.8357 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
B C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT