Dejan

01555, 1932 PC, 1932PC, 1934 CD1, 1934CD1, 1941 SA, 1941SA, 1954 NJ, 1954NJ, J32P00C, J34C01D, J41S00A, J54N00J

All data for this body: [vot]

MPC data
Name (number) Dejan (1555)
a 2.69077
e 0.27505
i / sin(i) 6.0194 / 0.10486
q 1.95067
Q 3.43087
ω 47.8175
Node 317.9900
m 337.2522
n 0.2233
Epoch 2460800.5
nobs 8401
nopp 38
Years observed 1932-2025
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.690
ep 0.230
sin(ip) 0.124
G 0.150
H 11.810
Mass
D 23.54 0.223
pV 0.059 0.0048
Value
Rotational Period 16.900
Period quality 2+
Spectral Class X
Spectral Class Score 4.980
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6897 0.2296 0.1241 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.45 4.941 4.941 Masiero 2017AJ....154..168M NEATM
20.14 5.624 5.624 Masiero 2017AJ....154..168M NEATM
20.70 2.070 2.070 Ali-Lagoa 2018A&A...612A..85A NEATM
21.77 7.250 7.250 Nugent 2016AJ....152...63N NEATM
23.20 0.314 0.314 Masiero 2011ApJ...741...68M NEATM
23.96 0.436 0.436 Masiero 2011ApJ...741...68M NEATM
24.04 0.480 0.480 Usui 2011PASJ...63.1117U NEATM
24.46 4.890 4.890 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.053 0.0056 0.0056 Masiero 2011ApJ...741...68M NEATM
0.062 0.0308 0.0308 Masiero 2017AJ....154..168M NEATM
0.064 0.0126 0.0126 Masiero 2011ApJ...741...68M NEATM
0.066 0.0304 0.0304 Masiero 2017AJ....154..168M NEATM
0.073 0.0290 0.0290 Ali-Lagoa 2018A&A...612A..85A NEATM
0.080 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.102 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A 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
11.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.96 2+ Synodic Brines 2017MPBu...44..145B Lightcurve
22.2459 2 Sidereal Durech 2018A&A...617A..57D Model
22.24599 2 Sidereal Martikainen 2021A&A...649A..98M Model
22.25 2 Synodic Durkee 2018MPBu...45..333D Lightcurve
22.3167 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.830 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT