🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.55 AU - 0.59 AU

Year: 155 Days

Day: 14.8 Hours

Environment

Temp: 232 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.53 AU - 0.75 AU

Year: 184 Days

Day: 22.7 Hours

Environment

Temp: 170 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.28 AU - 4.32 AU

Year: 3209 Days

Day: 23.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,997,757 km

• M1: 865,723 km (0.065 R)
• M2: 1,596,060 km (0.094 R)

Asteroid Belt

Center: 5.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 12.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.33 AU - 6.35 AU

Year: 5745 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,997,757 km

• M1: 159,023 km (0.077 R)
• M2: 607,816 km (0.071 R)
• M3: 1,241,363 km (0.079 R)
• M4: 1,676,543 km (0.119 R)
• M5: 2,424,682 km (0.09 R)
• M6: 3,001,083 km (0.068 R)
• M7: 3,557,138 km (0.081 R)
• M8: 4,036,749 km (0.048 R)
• M9: 4,690,192 km (0.101 R)
• M10: 6,503,019 km (0.047 R)
• M11: 6,908,579 km (0.111 R)
• M12: 7,512,207 km (0.12 R)
• M13: 8,463,799 km (0.096 R)
• M14: 8,866,217 km (0.106 R)
• M15: 10,468,261 km (0.112 R)
• M16: 13,410,252 km (0.099 R)
• M17: 14,867,036 km (0.106 R)
• M18: 15,395,117 km (0.097 R)
• M19: 16,057,536 km (0.084 R)
• M20: 17,503,998 km (0.11 R)
• M21: 18,967,215 km (0.067 R)
• M22: 22,287,988 km (0.039 R)
• M23: 23,845,751 km (0.08 R)
• M24: 25,226,091 km (0.111 R)
• M25: 25,642,122 km (0.086 R)
• M26: 26,487,799 km (0.105 R)
• M27: 27,614,720 km (0.045 R)
• M28: 30,431,049 km (0.047 R)
• M29: 32,739,045 km (0.051 R)
• M30: 33,433,778 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 15

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.96 AU - 7.76 AU

Year: 7186 Days

Day: 8.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,997,757 km

• M1: 186,549 km (0.115 R)
• M2: 1,111,662 km (0.082 R)
• M3: 1,851,423 km (0.084 R)
• M4: 2,450,114 km (0.067 R)
• M5: 3,021,129 km (0.111 R)
• M6: 3,725,137 km (0.12 R)
• M7: 4,410,594 km (0.09 R)
• M8: 5,730,346 km (0.075 R)
• M9: 6,714,102 km (0.112 R)
• M10: 9,182,018 km (0.088 R)
• M11: 16,079,378 km (0.094 R)
• M12: 17,005,538 km (0.057 R)
• M13: 27,789,300 km (0.065 R)
• M14: 30,592,765 km (0.071 R)
• M15: 32,595,880 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.3

Radius: 5.1

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.58 AU - 17.74 AU

Year: 22303 Days

Day: 18.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,997,757 km

• M1: 64,477 km (0.111 R)
• M2: 232,325 km (0.098 R)
• M3: 764,744 km (0.094 R)
• M4: 1,110,166 km (0.084 R)
• M5: 1,269,637 km (0.118 R)
• M6: 1,807,441 km (0.06 R)
• M7: 2,397,605 km (0.076 R)
• M8: 2,620,506 km (0.071 R)
• M9: 3,238,644 km (0.1 R)
• M10: 4,228,982 km (0.088 R)
• M11: 5,558,010 km (0.107 R)
• M12: 6,192,903 km (0.084 R)
• M13: 9,657,440 km (0.118 R)
• M14: 11,050,944 km (0.111 R)
• M15: 14,592,524 km (0.093 R)
• M16: 17,305,482 km (0.081 R)
• M17: 19,348,689 km (0.112 R)
• M18: 26,324,438 km (0.08 R)
• M19: 27,091,277 km (0.071 R)
• M20: 28,440,650 km (0.077 R)
• M21: 28,669,834 km (0.088 R)
• M22: 29,131,792 km (0.114 R)
• M23: 34,416,187 km (0.086 R)
• M24: 35,597,711 km (0.048 R)
• M25: 36,400,154 km (0.066 R)
• M26: 38,459,069 km (0.104 R)
• M27: 42,657,384 km (0.061 R)
• M28: 51,100,389 km (0.064 R)
• M29: 59,462,461 km (0.116 R)
• M30: 60,402,235 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.6

Radius: 7.9

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.81 AU - 18.93 AU

Year: 24937 Days

Day: 22.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,997,757 km

• M1: 99,632 km (0.052 R)
• M2: 496,366 km (0.08 R)
• M3: 780,302 km (0.044 R)
• M4: 1,033,871 km (0.118 R)
• M5: 1,465,461 km (0.108 R)
• M6: 4,694,980 km (0.045 R)
• M7: 5,244,602 km (0.109 R)
• M8: 6,604,297 km (0.12 R)
• M9: 8,496,860 km (0.092 R)
• M10: 8,871,303 km (0.059 R)
• M11: 11,611,787 km (0.065 R)
• M12: 15,336,325 km (0.082 R)
• M13: 27,044,004 km (0.112 R)
• M14: 32,023,967 km (0.057 R)
• M15: 34,525,992 km (0.028 R)
• M16: 43,121,736 km (0.1 R)
• M17: 43,751,244 km (0.079 R)
• M18: 61,554,737 km (0.091 R)
• M19: 76,307,779 km (0.036 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit