🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.99 AU - 1.01 AU

Year: 355 Days

Day: 34.4 Hours

Environment

Temp: 73 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.94 AU - 2.08 AU

Year: 1011 Days

Day: 27.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,768,180 km

• M1: 26,030 km (0.052 R)
• M2: 540,946 km (0.104 R)

Asteroid Belt

Center: 6.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 8.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.91 AU - 11.49 AU

Year: 11557 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 59,768,180 km

• M1: 154,235 km (0.108 R)
• M2: 223,649 km (0.064 R)
• M3: 375,491 km (0.026 R)
• M4: 1,199,625 km (0.088 R)
• M5: 1,285,495 km (0.079 R)
• M6: 1,418,487 km (0.069 R)
• M7: 1,795,324 km (0.08 R)
• M8: 1,969,905 km (0.079 R)
• M9: 2,046,499 km (0.093 R)
• M10: 2,150,170 km (0.095 R)
• M11: 2,229,158 km (0.116 R)
• M12: 2,694,856 km (0.117 R)
• M13: 2,780,276 km (0.117 R)
• M14: 2,982,982 km (0.114 R)
• M15: 3,970,178 km (0.025 R)
• M16: 4,034,954 km (0.096 R)
• M17: 4,165,702 km (0.108 R)
• M18: 4,771,723 km (0.104 R)
• M19: 4,875,544 km (0.059 R)
• M20: 5,049,975 km (0.089 R)
• M21: 5,369,367 km (0.071 R)
• M22: 5,658,839 km (0.118 R)
• M23: 5,916,297 km (0.063 R)
• M24: 6,177,644 km (0.118 R)
• M25: 6,366,586 km (0.1 R)
• M26: 7,379,962 km (0.07 R)
• M27: 7,701,747 km (0.117 R)
• M28: 7,823,669 km (0.116 R)
• M29: 8,359,230 km (0.087 R)
• M30: 9,163,318 km (0.109 R)
• M31: 10,347,984 km (0.107 R)
• M32: 11,118,413 km (0.075 R)
• M33: 11,860,269 km (0.077 R)
• M34: 12,284,678 km (0.086 R)
• M35: 12,427,245 km (0.113 R)
• M36: 12,570,410 km (0.045 R)
• M37: 14,530,441 km (0.034 R)
• M38: 14,883,193 km (0.095 R)
• M39: 16,010,114 km (0.059 R)
• M40: 16,846,815 km (0.092 R)
• M41: 17,164,261 km (0.091 R)
• M42: 18,780,816 km (0.116 R)
• M43: 19,496,492 km (0.115 R)
• M44: 19,885,447 km (0.114 R)
• M45: 19,997,047 km (0.115 R)
• M46: 21,181,563 km (0.072 R)
• M47: 21,524,142 km (0.063 R)
• M48: 22,854,516 km (0.042 R)
• M49: 23,323,355 km (0.072 R)
• M50: 24,330,448 km (0.092 R)
• M51: 24,809,161 km (0.082 R)
• M52: 25,654,539 km (0.04 R)
• M53: 26,203,114 km (0.106 R)
• M54: 26,632,311 km (0.115 R)
• M55: 27,187,618 km (0.077 R)
• M56: 27,435,651 km (0.053 R)
• M57: 29,510,424 km (0.056 R)
• M58: 31,700,387 km (0.088 R)
• M59: 32,026,810 km (0.096 R)
• M60: 32,288,756 km (0.051 R)
• M61: 33,742,249 km (0.089 R)
• M62: 33,942,111 km (0.041 R)
• M63: 34,947,259 km (0.075 R)
• M64: 36,234,549 km (0.103 R)
• M65: 36,370,982 km (0.108 R)
• M66: 36,781,180 km (0.119 R)
• M67: 37,675,326 km (0.075 R)
• M68: 38,506,941 km (0.053 R)
• M69: 38,646,067 km (0.093 R)
• M70: 39,274,677 km (0.118 R)
• M71: 41,822,179 km (0.047 R)
• M72: 43,477,480 km (0.072 R)
• M73: 44,058,368 km (0.075 R)
• M74: 44,641,650 km (0.109 R)
• M75: 44,861,110 km (0.1 R)
• M76: 44,934,413 km (0.074 R)
• M77: 45,227,625 km (0.117 R)
• M78: 45,374,530 km (0.118 R)
• M79: 46,481,106 km (0.053 R)
• M80: 47,000,659 km (0.082 R)
• M81: 47,372,859 km (0.095 R)
• M82: 47,895,703 km (0.085 R)
• M83: 48,570,689 km (0.115 R)
• M84: 48,721,035 km (0.051 R)
• M85: 49,248,816 km (0.065 R)
• M86: 50,919,525 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141

Radius: 6.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 18.72 AU - 20.4 AU

Year: 30690 Days

Day: 18.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 59,768,180 km

• M1: 90,656 km (0.116 R)
• M2: 131,796 km (0.102 R)
• M3: 249,679 km (0.04 R)
• M4: 302,786 km (0.094 R)
• M5: 360,531 km (0.082 R)
• M6: 422,464 km (0.057 R)
• M7: 505,641 km (0.071 R)
• M8: 768,335 km (0.027 R)
• M9: 829,819 km (0.116 R)
• M10: 1,638,994 km (0.111 R)
• M11: 1,719,328 km (0.104 R)
• M12: 2,469,562 km (0.099 R)
• M13: 2,531,046 km (0.079 R)
• M14: 2,593,129 km (0.117 R)
• M15: 3,444,790 km (0.05 R)
• M16: 4,008,774 km (0.087 R)
• M17: 4,301,388 km (0.12 R)
• M18: 4,677,028 km (0.104 R)
• M19: 4,868,812 km (0.11 R)
• M20: 5,102,335 km (0.101 R)
• M21: 5,220,517 km (0.025 R)
• M22: 5,419,482 km (0.08 R)
• M23: 5,907,022 km (0.091 R)
• M24: 6,031,188 km (0.115 R)
• M25: 6,536,230 km (0.032 R)
• M26: 6,837,071 km (0.09 R)
• M27: 8,641,521 km (0.112 R)
• M28: 10,683,382 km (0.104 R)
• M29: 10,834,775 km (0.106 R)
• M30: 10,986,916 km (0.116 R)
• M31: 11,395,767 km (0.055 R)
• M32: 12,334,045 km (0.108 R)
• M33: 14,007,297 km (0.065 R)
• M34: 14,506,356 km (0.055 R)
• M35: 14,842,203 km (0.111 R)
• M36: 15,124,046 km (0.066 R)
• M37: 15,293,989 km (0.077 R)
• M38: 15,350,836 km (0.053 R)
• M39: 15,750,412 km (0.1 R)
• M40: 16,327,261 km (0.09 R)
• M41: 17,146,310 km (0.096 R)
• M42: 17,264,342 km (0.077 R)
• M43: 17,323,433 km (0.107 R)
• M44: 17,918,683 km (0.084 R)
• M45: 19,682,442 km (0.083 R)
• M46: 19,744,226 km (0.077 R)
• M47: 20,303,423 km (0.071 R)
• M48: 20,553,551 km (0.086 R)
• M49: 20,741,894 km (0.103 R)
• M50: 20,867,706 km (0.114 R)
• M51: 20,930,836 km (0.068 R)
• M52: 21,373,646 km (0.069 R)
• M53: 21,755,869 km (0.109 R)
• M54: 21,883,775 km (0.049 R)
• M55: 22,268,840 km (0.069 R)
• M56: 22,656,149 km (0.071 R)
• M57: 22,980,776 km (0.051 R)
• M58: 23,176,151 km (0.114 R)
• M59: 23,831,689 km (0.077 R)
• M60: 23,963,485 km (0.058 R)
• M61: 24,893,086 km (0.11 R)
• M62: 26,787,294 km (0.089 R)
• M63: 28,587,405 km (0.112 R)
• M64: 31,359,753 km (0.048 R)
• M65: 31,504,264 km (0.11 R)
• M66: 33,255,158 km (0.082 R)
• M67: 33,550,015 km (0.088 R)
• M68: 34,439,973 km (0.058 R)
• M69: 34,514,473 km (0.117 R)
• M70: 34,887,719 km (0.09 R)
• M71: 34,962,518 km (0.106 R)
• M72: 36,850,593 km (0.061 R)
• M73: 37,308,512 km (0.07 R)
• M74: 37,922,163 km (0.104 R)
• M75: 38,926,413 km (0.11 R)
• M76: 40,096,119 km (0.078 R)
• M77: 41,673,479 km (0.09 R)
• M78: 41,911,788 km (0.1 R)
• M79: 42,709,594 km (0.066 R)
• M80: 43,271,035 km (0.059 R)
• M81: 43,431,852 km (0.095 R)
• M82: 44,725,874 km (0.114 R)
• M83: 44,807,105 km (0.088 R)
• M84: 45,868,502 km (0.065 R)
• M85: 46,196,720 km (0.092 R)
• M86: 50,364,816 km (0.115 R)
• M87: 52,236,435 km (0.118 R)
• M88: 53,698,305 km (0.107 R)
• M89: 55,348,071 km (0.086 R)
• M90: 56,135,255 km (0.07 R)
• M91: 57,367,193 km (0.063 R)
• M92: 58,785,979 km (0.058 R)
• M93: 59,053,311 km (0.09 R)
• M94: 59,410,401 km (0.057 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 11,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit