🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.68 AU

Year: 164 Days

Day: 37 Hours

Environment

Temp: 218 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.72 AU - 0.82 AU

Year: 244 Days

Day: 18.8 Hours

Environment

Temp: 111 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,630,919 km

• M1: 160,519 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.7 AU - 0.84 AU

Year: 244 Days

Day: 38.8 Hours

Environment

Temp: 104 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.61 AU - 0.99 AU

Year: 259 Days

Day: 39.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.97 AU - 1.55 AU

Year: 512 Days

Day: 23.9 Hours

Environment

Temp: -8 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.92 AU - 2.12 AU

Year: 1038 Days

Day: 40.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.04 AU - 2.1 AU

Year: 1077 Days

Day: 37.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 12.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.48 AU - 6.14 AU

Year: 5065 Days

Day: 8.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,630,919 km

• M1: 162,463 km (0.114 R)
• M2: 760,855 km (0.045 R)
• M3: 1,225,955 km (0.103 R)
• M4: 1,645,726 km (0.096 R)
• M5: 2,057,569 km (0.089 R)
• M6: 3,320,325 km (0.051 R)
• M7: 4,587,269 km (0.075 R)
• M8: 6,122,293 km (0.106 R)
• M9: 6,546,552 km (0.106 R)
• M10: 7,638,018 km (0.041 R)
• M11: 8,130,495 km (0.077 R)
• M12: 9,736,577 km (0.085 R)
• M13: 10,270,941 km (0.113 R)
• M14: 12,297,244 km (0.1 R)
• M15: 13,081,735 km (0.119 R)
• M16: 17,127,161 km (0.114 R)
• M17: 18,105,830 km (0.106 R)
• M18: 19,538,080 km (0.033 R)
• M19: 20,389,741 km (0.11 R)
• M20: 22,396,297 km (0.101 R)
• M21: 23,566,452 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 8.2

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.37 AU - 10.49 AU

Year: 10473 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,630,919 km

• M1: 102,026 km (0.107 R)
• M2: 521,049 km (0.06 R)
• M3: 906,114 km (0.118 R)
• M4: 1,304,045 km (0.086 R)
• M5: 1,616,854 km (0.104 R)
• M6: 2,870,334 km (0.038 R)
• M7: 3,405,446 km (0.069 R)
• M8: 4,705,003 km (0.069 R)
• M9: 5,019,308 km (0.079 R)
• M10: 5,939,185 km (0.115 R)
• M11: 6,967,072 km (0.092 R)
• M12: 7,544,669 km (0.098 R)
• M13: 8,562,234 km (0.088 R)
• M14: 9,273,572 km (0.027 R)
• M15: 10,976,295 km (0.099 R)
• M16: 13,874,455 km (0.115 R)
• M17: 14,261,165 km (0.118 R)
• M18: 14,988,809 km (0.038 R)
• M19: 16,020,586 km (0.063 R)
• M20: 16,303,625 km (0.084 R)
• M21: 20,128,693 km (0.099 R)
• M22: 21,128,455 km (0.118 R)
• M23: 21,813,165 km (0.095 R)
• M24: 25,845,725 km (0.085 R)
• M25: 27,934,859 km (0.07 R)
• M26: 29,388,502 km (0.085 R)
• M27: 36,435,758 km (0.049 R)
• M28: 38,929,106 km (0.118 R)
• M29: 41,667,345 km (0.066 R)
• M30: 43,288,388 km (0.088 R)
• M31: 46,799,749 km (0.101 R)
• M32: 47,962,274 km (0.104 R)
• M33: 50,648,304 km (0.104 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.5

Radius: 9

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.42 AU - 11.64 AU

Year: 12358 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,630,919 km

• M1: 112,049 km (0.119 R)
• M2: 458,817 km (0.093 R)
• M3: 749,336 km (0.112 R)
• M4: 1,218,325 km (0.105 R)
• M5: 1,772,884 km (0.036 R)
• M6: 2,243,370 km (0.086 R)
• M7: 2,958,298 km (0.114 R)
• M8: 3,330,198 km (0.12 R)
• M9: 3,650,038 km (0.093 R)
• M10: 3,932,180 km (0.102 R)
• M11: 7,801,828 km (0.12 R)
• M12: 9,798,960 km (0.112 R)
• M13: 10,347,086 km (0.105 R)
• M14: 11,504,824 km (0.048 R)
• M15: 13,870,565 km (0.077 R)
• M16: 16,619,725 km (0.118 R)
• M17: 16,928,794 km (0.091 R)
• M18: 19,798,829 km (0.092 R)
• M19: 21,032,563 km (0.108 R)
• M20: 23,073,826 km (0.101 R)
• M21: 25,549,671 km (0.117 R)
• M22: 29,081,826 km (0.029 R)
• M23: 31,373,965 km (0.109 R)
• M24: 32,203,934 km (0.115 R)
• M25: 36,056,079 km (0.115 R)
• M26: 43,334,913 km (0.116 R)
• M27: 46,470,783 km (0.096 R)
• M28: 48,643,543 km (0.077 R)
• M29: 50,236,461 km (0.111 R)
• M30: 50,883,173 km (0.117 R)
• M31: 51,535,419 km (0.091 R)
• M32: 51,863,637 km (0.1 R)
• M33: 53,525,819 km (0.092 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 13,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit