🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.62 AU - 0.64 AU

Year: 184 Days

Day: 15.4 Hours

Environment

Temp: 223 °C

Axial Tilt: 48.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,991,947 km

• M1: 70,012 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.8 AU - 0.86 AU

Year: 278 Days

Day: 45.6 Hours

Environment

Temp: 110 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.72 AU - 0.98 AU

Year: 288 Days

Day: 42.7 Hours

Environment

Temp: 90 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,991,947 km

• M1: 363,373 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.1 AU - 1.42 AU

Year: 519 Days

Day: 18.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.17 AU - 2.85 AU

Year: 1460 Days

Day: 38.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.62 AU - 4.2 AU

Year: 2312 Days

Day: 29.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.1

Radius: 6.8

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 11.69 AU - 14.55 AU

Year: 17445 Days

Day: 20.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 38,991,947 km

• M1: 94,995 km (0.107 R)
• M2: 157,377 km (0.089 R)
• M3: 212,429 km (0.081 R)
• M4: 463,155 km (0.111 R)
• M5: 534,064 km (0.117 R)
• M6: 769,681 km (0.117 R)
• M7: 1,155,494 km (0.116 R)
• M8: 1,381,836 km (0.028 R)
• M9: 1,761,665 km (0.113 R)
• M10: 3,644,503 km (0.096 R)
• M11: 3,827,611 km (0.104 R)
• M12: 3,939,062 km (0.113 R)
• M13: 4,279,546 km (0.064 R)
• M14: 5,233,233 km (0.113 R)
• M15: 5,776,423 km (0.1 R)
• M16: 6,162,983 km (0.094 R)
• M17: 6,513,641 km (0.107 R)
• M18: 7,188,477 km (0.067 R)
• M19: 7,372,183 km (0.108 R)
• M20: 7,604,060 km (0.047 R)
• M21: 8,027,422 km (0.116 R)
• M22: 8,506,733 km (0.077 R)
• M23: 10,102,195 km (0.097 R)
• M24: 10,515,234 km (0.075 R)
• M25: 10,986,468 km (0.119 R)
• M26: 11,198,298 km (0.078 R)
• M27: 12,551,561 km (0.09 R)
• M28: 12,772,816 km (0.078 R)
• M29: 13,784,696 km (0.098 R)
• M30: 13,955,836 km (0.12 R)
• M31: 14,763,664 km (0.069 R)
• M32: 15,114,621 km (0.107 R)
• M33: 15,232,205 km (0.042 R)
• M34: 15,468,270 km (0.066 R)
• M35: 16,303,924 km (0.106 R)
• M36: 16,545,375 km (0.108 R)
• M37: 17,338,393 km (0.087 R)
• M38: 18,897,801 km (0.095 R)
• M39: 19,983,732 km (0.103 R)
• M40: 20,436,715 km (0.098 R)
• M41: 20,892,988 km (0.105 R)
• M42: 24,180,401 km (0.111 R)
• M43: 24,870,796 km (0.102 R)
• M44: 25,497,611 km (0.077 R)
• M45: 26,059,201 km (0.106 R)
• M46: 27,051,783 km (0.094 R)
• M47: 27,840,463 km (0.04 R)
• M48: 27,984,526 km (0.116 R)
• M49: 28,418,659 km (0.107 R)
• M50: 28,563,769 km (0.06 R)
• M51: 29,073,897 km (0.085 R)
• M52: 29,587,018 km (0.095 R)
• M53: 29,881,427 km (0.069 R)
• M54: 30,102,981 km (0.036 R)
• M55: 30,473,535 km (0.032 R)
• M56: 30,622,086 km (0.119 R)
• M57: 31,069,383 km (0.115 R)
• M58: 31,668,972 km (0.073 R)
• M59: 31,819,617 km (0.102 R)
• M60: 32,196,903 km (0.086 R)
• M61: 32,348,296 km (0.116 R)
• M62: 32,879,817 km (0.107 R)
• M63: 33,874,792 km (0.117 R)
• M64: 35,268,596 km (0.103 R)
• M65: 36,129,531 km (0.102 R)
• M66: 38,995,378 km (0.065 R)
• M67: 42,181,364 km (0.084 R)
• M68: 42,595,899 km (0.099 R)
• M69: 43,011,632 km (0.11 R)
• M70: 43,847,435 km (0.102 R)
• M71: 44,015,134 km (0.116 R)
• M72: 44,099,208 km (0.11 R)
• M73: 44,519,728 km (0.078 R)
• M74: 44,604,101 km (0.065 R)
• M75: 45,874,785 km (0.104 R)
• M76: 46,045,177 km (0.036 R)
• M77: 46,386,410 km (0.092 R)
• M78: 48,798,825 km (0.11 R)
• M79: 49,059,724 km (0.089 R)
• M80: 49,408,287 km (0.117 R)
• M81: 51,428,606 km (0.099 R)
• M82: 52,671,466 km (0.111 R)
• M83: 53,028,406 km (0.1 R)
• M84: 53,386,095 km (0.12 R)
• M85: 53,654,922 km (0.066 R)
• M86: 54,464,097 km (0.061 R)
• M87: 55,096,297 km (0.062 R)
• M88: 56,003,459 km (0.116 R)
• M89: 58,016,897 km (0.097 R)
• M90: 60,333,420 km (0.106 R)
• M91: 61,174,608 km (0.088 R)
• M92: 61,456,002 km (0.079 R)
• M93: 61,549,800 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.1

Radius: 6.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 12.67 AU - 13.87 AU

Year: 17745 Days

Day: 22.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 38,991,947 km

• M1: 239,656 km (0.112 R)
• M2: 671,994 km (0.099 R)
• M3: 745,446 km (0.102 R)
• M4: 806,333 km (0.038 R)
• M5: 1,171,501 km (0.069 R)
• M6: 1,563,747 km (0.099 R)
• M7: 1,764,208 km (0.103 R)
• M8: 1,909,467 km (0.119 R)
• M9: 2,189,664 km (0.118 R)
• M10: 2,459,987 km (0.107 R)
• M11: 2,836,974 km (0.097 R)
• M12: 2,885,294 km (0.108 R)
• M13: 4,949,146 km (0.068 R)
• M14: 5,066,281 km (0.046 R)
• M15: 5,243,705 km (0.035 R)
• M16: 5,881,141 km (0.102 R)
• M17: 6,383,042 km (0.041 R)
• M18: 6,736,093 km (0.058 R)
• M19: 6,898,706 km (0.036 R)
• M20: 7,360,963 km (0.096 R)
• M21: 7,901,311 km (0.078 R)
• M22: 8,004,084 km (0.105 R)
• M23: 8,107,307 km (0.089 R)
• M24: 8,280,392 km (0.027 R)
• M25: 8,984,549 km (0.087 R)
• M26: 10,113,564 km (0.062 R)
• M27: 10,487,110 km (0.055 R)
• M28: 11,017,883 km (0.061 R)
• M29: 11,209,668 km (0.105 R)
• M30: 12,303,228 km (0.072 R)
• M31: 13,430,598 km (0.069 R)
• M32: 17,538,555 km (0.098 R)
• M33: 18,895,857 km (0.108 R)
• M34: 21,422,714 km (0.076 R)
• M35: 22,725,263 km (0.081 R)
• M36: 22,871,719 km (0.1 R)
• M37: 22,969,407 km (0.111 R)
• M38: 23,558,673 km (0.098 R)
• M39: 23,608,040 km (0.045 R)
• M40: 24,651,784 km (0.107 R)
• M41: 24,701,900 km (0.098 R)
• M42: 25,255,113 km (0.12 R)
• M43: 26,887,375 km (0.09 R)
• M44: 27,248,953 km (0.079 R)
• M45: 27,560,117 km (0.063 R)
• M46: 28,711,422 km (0.108 R)
• M47: 29,239,801 km (0.05 R)
• M48: 29,452,081 km (0.097 R)
• M49: 29,771,472 km (0.1 R)
• M50: 30,092,060 km (0.12 R)
• M51: 30,145,617 km (0.109 R)
• M52: 31,223,020 km (0.101 R)
• M53: 31,820,813 km (0.058 R)
• M54: 32,422,496 km (0.12 R)
• M55: 33,581,730 km (0.086 R)
• M56: 35,600,104 km (0.086 R)
• M57: 35,997,137 km (0.107 R)
• M58: 36,110,832 km (0.075 R)
• M59: 36,167,679 km (0.087 R)
• M60: 37,369,399 km (0.111 R)
• M61: 37,715,119 km (0.109 R)
• M62: 38,061,887 km (0.099 R)
• M63: 38,700,520 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 12,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit