🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.96 AU - 1 AU

Year: 356 Days

Day: 31.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.9 AU - 1.16 AU

Year: 384 Days

Day: 44.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 45.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.54 AU - 2.08 AU

Year: 894 Days

Day: 13.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,163,081 km

• M1: 54,753 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.96 AU - 3.14 AU

Year: 1955 Days

Day: 14.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,163,081 km

• M1: 16,605 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.72 AU - 5.26 AU

Year: 3493 Days

Day: 45 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 12.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.66 AU - 7.9 AU

Year: 7211 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,163,081 km

• M1: 153,039 km (0.106 R)
• M2: 538,852 km (0.09 R)
• M3: 936,632 km (0.098 R)
• M4: 1,348,774 km (0.105 R)
• M5: 2,229,307 km (0.095 R)
• M6: 2,926,583 km (0.06 R)
• M7: 3,552,949 km (0.086 R)
• M8: 3,960,454 km (0.108 R)
• M9: 4,534,611 km (0.11 R)
• M10: 4,928,502 km (0.065 R)
• M11: 7,254,450 km (0.052 R)
• M12: 7,995,258 km (0.081 R)
• M13: 16,565,271 km (0.119 R)
• M14: 19,862,259 km (0.098 R)
• M15: 21,625,120 km (0.07 R)
• M16: 22,021,704 km (0.083 R)
• M17: 27,537,677 km (0.067 R)
• M18: 31,214,643 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 9.8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.3 AU - 9.72 AU

Year: 8322 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,163,081 km

• M1: 127,457 km (0.047 R)
• M2: 513,869 km (0.047 R)
• M3: 983,157 km (0.05 R)
• M4: 1,358,648 km (0.112 R)
• M5: 1,670,859 km (0.073 R)
• M6: 2,197,144 km (0.1 R)
• M7: 3,371,338 km (0.111 R)
• M8: 3,826,863 km (0.105 R)
• M9: 5,508,792 km (0.102 R)
• M10: 8,815,503 km (0.1 R)
• M11: 9,356,748 km (0.113 R)
• M12: 9,682,722 km (0.108 R)
• M13: 10,112,816 km (0.104 R)
• M14: 11,218,344 km (0.098 R)
• M15: 11,854,285 km (0.095 R)
• M16: 13,431,645 km (0.104 R)
• M17: 18,411,608 km (0.069 R)
• M18: 21,875,846 km (0.065 R)
• M19: 22,617,403 km (0.097 R)
• M20: 33,083,270 km (0.07 R)
• M21: 36,758,890 km (0.098 R)
• M22: 37,106,106 km (0.105 R)
• M23: 38,160,472 km (0.102 R)
• M24: 38,874,353 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.8

Radius: 7.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 18.13 AU - 19.53 AU

Year: 29995 Days

Day: 21.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,163,081 km

• M1: 95,743 km (0.057 R)
• M2: 421,716 km (0.114 R)
• M3: 798,404 km (0.1 R)
• M4: 2,218,387 km (0.105 R)
• M5: 2,543,313 km (0.085 R)
• M6: 2,949,771 km (0.1 R)
• M7: 3,654,526 km (0.042 R)
• M8: 4,635,739 km (0.037 R)
• M9: 5,059,250 km (0.077 R)
• M10: 5,546,939 km (0.062 R)
• M11: 6,703,331 km (0.062 R)
• M12: 10,225,762 km (0.086 R)
• M13: 14,969,361 km (0.112 R)
• M14: 20,812,205 km (0.089 R)
• M15: 21,768,285 km (0.082 R)
• M16: 27,443,281 km (0.092 R)
• M17: 27,784,663 km (0.12 R)
• M18: 28,708,879 km (0.095 R)
• M19: 31,979,986 km (0.118 R)
• M20: 32,484,729 km (0.099 R)
• M21: 35,356,709 km (0.064 R)
• M22: 35,760,922 km (0.065 R)
• M23: 44,980,489 km (0.043 R)
• M24: 45,455,163 km (0.111 R)
• M25: 48,373,967 km (0.029 R)
• M26: 49,879,221 km (0.087 R)
• M27: 54,581,980 km (0.103 R)
• M28: 63,260,003 km (0.098 R)
• M29: 64,656,200 km (0.118 R)
• M30: 69,178,244 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 13,069 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit