🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.91 AU - 1.05 AU

Year: 351 Days

Day: 27.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,236,528 km

• M1: 100,081 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.79 AU - 1.25 AU

Year: 373 Days

Day: 32.4 Hours

Environment

Temp: 29 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 29,236,528 km

• M1: 432,188 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.71 AU - 2.01 AU

Year: 917 Days

Day: 35.2 Hours

Environment

Temp: -61 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.73 AU - 2.71 AU

Year: 1196 Days

Day: 36.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 10.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.26 AU - 6.48 AU

Year: 4500 Days

Day: 9.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 29,236,528 km

• M1: 162,014 km (0.103 R)
• M2: 336,745 km (0.099 R)
• M3: 410,048 km (0.115 R)
• M4: 515,813 km (0.078 R)
• M5: 699,520 km (0.071 R)
• M6: 779,405 km (0.037 R)
• M7: 894,894 km (0.059 R)
• M8: 971,489 km (0.043 R)
• M9: 1,215,782 km (0.066 R)
• M10: 1,415,345 km (0.117 R)
• M11: 1,790,687 km (0.086 R)
• M12: 1,875,209 km (0.079 R)
• M13: 2,137,006 km (0.088 R)
• M14: 2,744,672 km (0.114 R)
• M15: 2,892,176 km (0.117 R)
• M16: 3,161,302 km (0.11 R)
• M17: 3,887,749 km (0.061 R)
• M18: 4,203,999 km (0.119 R)
• M19: 4,451,434 km (0.101 R)
• M20: 4,742,851 km (0.105 R)
• M21: 5,080,792 km (0.052 R)
• M22: 5,696,388 km (0.057 R)
• M23: 6,012,937 km (0.029 R)
• M24: 6,313,778 km (0.092 R)
• M25: 6,509,751 km (0.112 R)
• M26: 7,109,639 km (0.069 R)
• M27: 7,588,651 km (0.052 R)
• M28: 7,820,378 km (0.099 R)
• M29: 7,937,214 km (0.094 R)
• M30: 9,087,622 km (0.117 R)
• M31: 9,161,224 km (0.03 R)
• M32: 9,284,343 km (0.108 R)
• M33: 9,432,894 km (0.064 R)
• M34: 9,933,747 km (0.089 R)
• M35: 10,417,547 km (0.087 R)
• M36: 10,675,304 km (0.084 R)
• M37: 10,830,886 km (0.119 R)
• M38: 10,987,365 km (0.111 R)
• M39: 11,355,226 km (0.112 R)
• M40: 11,620,613 km (0.034 R)
• M41: 11,887,944 km (0.076 R)
• M42: 12,184,447 km (0.118 R)
• M43: 12,265,679 km (0.109 R)
• M44: 12,347,060 km (0.106 R)
• M45: 12,757,108 km (0.114 R)
• M46: 14,042,154 km (0.073 R)
• M47: 14,127,425 km (0.071 R)
• M48: 14,269,991 km (0.107 R)
• M49: 14,527,599 km (0.095 R)
• M50: 14,700,235 km (0.049 R)
• M51: 14,786,702 km (0.072 R)
• M52: 15,397,510 km (0.092 R)
• M53: 16,403,706 km (0.112 R)
• M54: 17,309,222 km (0.1 R)
• M55: 17,584,033 km (0.058 R)
• M56: 17,737,371 km (0.116 R)
• M57: 18,292,828 km (0.067 R)
• M58: 18,448,260 km (0.029 R)
• M59: 19,452,810 km (0.078 R)
• M60: 19,897,863 km (0.075 R)
• M61: 20,442,848 km (0.103 R)
• M62: 20,539,638 km (0.1 R)
• M63: 20,701,054 km (0.055 R)
• M64: 20,862,919 km (0.052 R)
• M65: 21,580,390 km (0.073 R)
• M66: 21,678,826 km (0.088 R)
• M67: 21,876,145 km (0.104 R)
• M68: 22,041,152 km (0.085 R)
• M69: 22,173,396 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 14.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.79 AU - 7.95 AU

Year: 5814 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 29,236,528 km

• M1: 181,612 km (0.045 R)
• M2: 300,841 km (0.087 R)
• M3: 411,544 km (0.051 R)
• M4: 616,792 km (0.099 R)
• M5: 836,551 km (0.113 R)
• M6: 1,056,909 km (0.114 R)
• M7: 1,312,273 km (0.114 R)
• M8: 1,604,437 km (0.1 R)
• M9: 1,701,227 km (0.12 R)
• M10: 1,901,090 km (0.086 R)
• M11: 2,269,998 km (0.11 R)
• M12: 2,604,649 km (0.064 R)
• M13: 2,817,078 km (0.114 R)
• M14: 3,197,954 km (0.119 R)
• M15: 3,659,762 km (0.112 R)
• M16: 3,811,305 km (0.06 R)
• M17: 3,920,811 km (0.069 R)
• M18: 4,392,343 km (0.106 R)
• M19: 4,740,457 km (0.101 R)
• M20: 5,291,725 km (0.08 R)
• M21: 5,838,356 km (0.116 R)
• M22: 6,067,390 km (0.039 R)
• M23: 6,507,807 km (0.114 R)
• M24: 6,745,368 km (0.108 R)
• M25: 6,878,510 km (0.107 R)
• M26: 7,093,482 km (0.064 R)
• M27: 7,229,018 km (0.099 R)
• M28: 7,337,925 km (0.055 R)
• M29: 7,475,106 km (0.041 R)
• M30: 7,863,313 km (0.099 R)
• M31: 8,258,401 km (0.064 R)
• M32: 8,429,690 km (0.105 R)
• M33: 8,659,922 km (0.1 R)
• M34: 8,892,247 km (0.114 R)
• M35: 9,038,554 km (0.103 R)
• M36: 10,421,586 km (0.073 R)
• M37: 10,731,104 km (0.066 R)
• M38: 10,949,517 km (0.101 R)
• M39: 11,169,426 km (0.083 R)
• M40: 11,390,831 km (0.116 R)
• M41: 11,773,652 km (0.117 R)
• M42: 12,031,409 km (0.111 R)
• M43: 12,454,023 km (0.11 R)
• M44: 13,448,101 km (0.066 R)
• M45: 13,616,249 km (0.085 R)
• M46: 13,886,871 km (0.087 R)
• M47: 14,743,768 km (0.064 R)
• M48: 15,231,158 km (0.095 R)
• M49: 15,547,258 km (0.063 R)
• M50: 15,759,238 km (0.119 R)
• M51: 15,936,661 km (0.068 R)
• M52: 16,221,944 km (0.085 R)
• M53: 16,472,820 km (0.064 R)
• M54: 16,833,500 km (0.07 R)
• M55: 18,153,851 km (0.117 R)
• M56: 18,563,899 km (0.092 R)
• M57: 18,751,345 km (0.06 R)
• M58: 19,090,184 km (0.057 R)
• M59: 19,697,701 km (0.091 R)
• M60: 20,854,093 km (0.057 R)
• M61: 21,440,516 km (0.11 R)
• M62: 21,558,400 km (0.049 R)
• M63: 21,873,901 km (0.101 R)
• M64: 22,032,326 km (0.108 R)
• M65: 22,151,406 km (0.117 R)
• M66: 23,151,467 km (0.036 R)
• M67: 23,636,763 km (0.065 R)
• M68: 24,043,819 km (0.058 R)
• M69: 24,782,234 km (0.114 R)
• M70: 25,278,749 km (0.094 R)
• M71: 25,403,364 km (0.102 R)
• M72: 26,155,542 km (0.094 R)
• M73: 26,323,690 km (0.056 R)
• M74: 26,534,324 km (0.048 R)
• M75: 27,042,209 km (0.114 R)
• M76: 27,382,544 km (0.11 R)
• M77: 27,510,600 km (0.107 R)
• M78: 27,895,814 km (0.07 R)
• M79: 28,110,637 km (0.11 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 17,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit