Aeternitas

00446, 1899 UB, 1899UB, I99U00B

All data for this body: [vot]

MPC data
Name (number) Aeternitas (446)
a 2.78702
e 0.12466
i / sin(i) 10.6161 / 0.18423
q 2.43959
Q 3.13445
ω 279.2405
Node 42.0134
m 41.4119
n 0.2118
Epoch 2460800.5
nobs 11509
nopp 56
Years observed 1899-2025
rms 0.45
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.788
ep 0.097
sin(ip) 0.176
G 0.150
H 8.860
Mass
D 47.90 0.317
pV 0.269 0.0076
Value
Rotational Period 15.741
Period quality 3
Spectral Class A
Spectral Class Score 92.600
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
446 Aeternitas -1 Aeternitas -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7875 0.0967 0.1762 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
39.59 0.710 0.710 Masiero 2012ApJ...759L...8M NEATM
45.40 3.200 3.200 Tedesco 2002AJ....123.1056T STM
46.70 2.187 2.187 Ryan&Woodward 2010AJ....140..933R IRAS-STM
47.09 9.420 9.420 Ali-Lagoa 2018A&A...612A..85A NEATM
47.16 0.540 0.540 Usui 2011PASJ...63.1117U NEATM
48.20 4.820 4.820 Ali-Lagoa 2018A&A...612A..85A NEATM
50.52 0.867 0.867 Masiero 2011ApJ...741...68M NEATM
51.46 3.517 3.517 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
53.56 0.600 0.600 Masiero 2014ApJ...791..121M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.190 0.0492 0.0492 Masiero 2011ApJ...741...68M NEATM
0.194 0.0296 0.0296 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.228 0.0223 0.0223 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.236 0.0380 0.0380 Tedesco 2002AJ....123.1056T STM
0.252 0.0500 0.0500 Ali-Lagoa 2018A&A...612A..85A NEATM
0.264 0.1060 0.1060 Ali-Lagoa 2018A&A...612A..85A NEATM
0.317 0.0100 0.0100 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
8.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.736 3 Synodic Fauerbach 2008MPBu...35...44F Lightcurve
15.736 3 Synodic Lucas 2012MPBu...39..173L Lightcurve
15.7373 2 Sidereal Durech 2023A&A...675A..24D Model
15.7375 2 Synodic Pal 2020ApJS..247...26P Lightcurve
15.74 2+ Synodic Lucas 2011MPBu...38..218L Lightcurve
15.74 2+ Synodic Lucas 2012MPBu...39..173L Lightcurve
15.7405 3 Synodic Lucas 2012MPBu...39..173L Lightcurve
15.7413 3 Synodic Behrend LCDB Lightcurve
15.745 2+ Synodic Klinglesmith 2014MPBu...41..206K Lightcurve
15.85 2 Synodic Florczak 1997P&SS...45.1423F Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
A Bus VIS Bus 2002Icar..158..146B SPEC
A Howell VISNIR Howell 1994JGR....9910847H PHOT
A 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
A A 0.9345 0.0090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A A 0.9999 0.0090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A A 1.0000 0.0090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A A 1.0000 0.0090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
A A 1.0000 0.0090 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT