🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.53 AU - 0.57 AU

Year: 176 Days

Day: 44.1 Hours

Environment

Temp: 45 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.54 AU - 0.76 AU

Year: 226 Days

Day: 29 Hours

Environment

Temp: 10 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.71 AU - 0.75 AU

Year: 268 Days

Day: 42.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.7 AU - 1.8 AU

Year: 997 Days

Day: 44.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.47 AU - 2.11 AU

Year: 1031 Days

Day: 15.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.51 AU - 2.41 AU

Year: 1181 Days

Day: 20.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 8.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.79 AU - 6.99 AU

Year: 7785 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,672,092 km

• M1: 110,702 km (0.113 R)
• M2: 443,558 km (0.115 R)
• M3: 975,977 km (0.086 R)
• M4: 1,265,598 km (0.11 R)
• M5: 2,010,446 km (0.103 R)
• M6: 2,337,616 km (0.114 R)
• M7: 3,540,084 km (0.113 R)
• M8: 4,917,731 km (0.108 R)
• M9: 5,516,721 km (0.055 R)
• M10: 5,942,626 km (0.056 R)
• M11: 6,689,718 km (0.101 R)
• M12: 7,461,493 km (0.102 R)
• M13: 8,252,567 km (0.045 R)
• M14: 9,015,366 km (0.119 R)
• M15: 9,693,493 km (0.085 R)
• M16: 10,496,684 km (0.098 R)
• M17: 10,961,634 km (0.076 R)
• M18: 15,785,567 km (0.094 R)
• M19: 16,644,857 km (0.037 R)
• M20: 18,929,217 km (0.11 R)
• M21: 26,168,408 km (0.115 R)
• M22: 29,061,182 km (0.111 R)
• M23: 30,631,660 km (0.079 R)
• M24: 30,914,550 km (0.083 R)
• M25: 31,485,565 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 14.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.1 AU - 8.18 AU

Year: 8212 Days

Day: 5.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,672,092 km

• M1: 184,005 km (0.079 R)
• M2: 674,088 km (0.112 R)
• M3: 1,521,261 km (0.092 R)
• M4: 2,338,664 km (0.096 R)
• M5: 3,076,480 km (0.104 R)
• M6: 3,546,068 km (0.107 R)
• M7: 4,419,570 km (0.057 R)
• M8: 5,771,486 km (0.1 R)
• M9: 6,424,481 km (0.083 R)
• M10: 7,090,191 km (0.057 R)
• M11: 7,762,933 km (0.087 R)
• M12: 8,315,547 km (0.104 R)
• M13: 12,680,215 km (0.091 R)
• M14: 14,540,763 km (0.111 R)
• M15: 16,706,492 km (0.095 R)
• M16: 19,580,117 km (0.113 R)
• M17: 20,458,406 km (0.04 R)
• M18: 24,403,302 km (0.118 R)
• M19: 26,554,370 km (0.118 R)
• M20: 30,062,141 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 12.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.81 AU - 10.11 AU

Year: 10592 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,672,092 km

• M1: 157,227 km (0.03 R)
• M2: 759,957 km (0.086 R)
• M3: 1,301,651 km (0.11 R)
• M4: 2,009,698 km (0.1 R)
• M5: 3,076,630 km (0.105 R)
• M6: 3,750,269 km (0.089 R)
• M7: 4,310,962 km (0.079 R)
• M8: 5,779,415 km (0.101 R)
• M9: 6,413,560 km (0.096 R)
• M10: 7,218,247 km (0.088 R)
• M11: 8,597,539 km (0.094 R)
• M12: 10,465,568 km (0.1 R)
• M13: 12,168,141 km (0.088 R)
• M14: 12,774,761 km (0.108 R)
• M15: 15,900,159 km (0.082 R)
• M16: 17,448,946 km (0.076 R)
• M17: 21,979,368 km (0.03 R)
• M18: 30,656,194 km (0.106 R)
• M19: 31,894,116 km (0.082 R)
• M20: 35,073,520 km (0.081 R)
• M21: 37,688,341 km (0.094 R)
• M22: 40,430,321 km (0.025 R)
• M23: 40,832,589 km (0.077 R)
• M24: 43,583,245 km (0.113 R)
• M25: 45,291,803 km (0.035 R)
• M26: 47,340,845 km (0.118 R)
• M27: 48,087,488 km (0.103 R)
• M28: 49,145,892 km (0.051 R)
• M29: 54,182,853 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 12,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit