🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.58 AU

Year: 135 Days

Day: 21 Hours

Environment

Temp: 283 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,289,294 km

• M1: 349,012 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.97 AU - 1.45 AU

Year: 466 Days

Day: 46.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.68 AU - 2.32 AU

Year: 990 Days

Day: 32.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,289,294 km

• M1: 162,613 km (0.113 R)
• M2: 250,128 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.86 AU - 5.44 AU

Year: 4089 Days

Day: 36 Hours

Environment

Temp: -140 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.6

Radius: 4.4

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 11.53 AU - 15.47 AU

Year: 17353 Days

Day: 24.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 69,289,294 km

• M1: 139,276 km (0.102 R)
• M2: 305,778 km (0.062 R)
• M3: 408,851 km (0.111 R)
• M4: 464,801 km (0.052 R)
• M5: 538,403 km (0.084 R)
• M6: 870,211 km (0.099 R)
• M7: 1,317,060 km (0.104 R)
• M8: 1,508,994 km (0.11 R)
• M9: 1,709,604 km (0.053 R)
• M10: 1,824,795 km (0.118 R)
• M11: 1,918,742 km (0.077 R)
• M12: 2,136,108 km (0.086 R)
• M13: 2,260,125 km (0.075 R)
• M14: 2,861,059 km (0.089 R)
• M15: 4,075,794 km (0.098 R)
• M16: 4,167,946 km (0.105 R)
• M17: 4,735,521 km (0.085 R)
• M18: 4,767,834 km (0.063 R)
• M19: 4,930,147 km (0.094 R)
• M20: 4,995,522 km (0.078 R)
• M21: 5,461,669 km (0.093 R)
• M22: 5,699,978 km (0.034 R)
• M23: 5,734,236 km (0.088 R)
• M24: 5,941,579 km (0.087 R)
• M25: 7,051,595 km (0.076 R)
• M26: 9,131,604 km (0.074 R)
• M27: 9,617,797 km (0.109 R)
• M28: 9,781,756 km (0.06 R)
• M29: 10,153,955 km (0.025 R)
• M30: 10,446,719 km (0.1 R)
• M31: 10,530,793 km (0.113 R)
• M32: 11,040,323 km (0.106 R)
• M33: 11,644,997 km (0.057 R)
• M34: 11,732,213 km (0.076 R)
• M35: 11,863,560 km (0.077 R)
• M36: 11,995,356 km (0.042 R)
• M37: 12,841,182 km (0.119 R)
• M38: 13,021,747 km (0.096 R)
• M39: 13,066,925 km (0.066 R)
• M40: 13,339,642 km (0.112 R)
• M41: 13,752,083 km (0.088 R)
• M42: 13,890,611 km (0.079 R)
• M43: 14,261,913 km (0.099 R)
• M44: 14,542,708 km (0.098 R)
• M45: 15,491,458 km (0.087 R)
• M46: 15,587,500 km (0.089 R)
• M47: 15,924,993 km (0.109 R)
• M48: 16,021,782 km (0.037 R)
• M49: 17,498,164 km (0.099 R)
• M50: 17,548,129 km (0.11 R)
• M51: 17,848,821 km (0.08 R)
• M52: 19,120,253 km (0.119 R)
• M53: 19,585,054 km (0.118 R)
• M54: 20,105,804 km (0.091 R)
• M55: 20,262,882 km (0.118 R)
• M56: 20,631,042 km (0.057 R)
• M57: 20,948,489 km (0.113 R)
• M58: 22,071,969 km (0.084 R)
• M59: 23,821,217 km (0.043 R)
• M60: 24,376,823 km (0.078 R)
• M61: 24,656,272 km (0.111 R)
• M62: 25,557,749 km (0.058 R)
• M63: 26,297,959 km (0.101 R)
• M64: 26,355,255 km (0.086 R)
• M65: 27,916,309 km (0.099 R)
• M66: 28,208,623 km (0.058 R)
• M67: 28,560,777 km (0.075 R)
• M68: 29,745,143 km (0.102 R)
• M69: 32,467,974 km (0.094 R)
• M70: 33,269,370 km (0.115 R)
• M71: 33,455,170 km (0.095 R)
• M72: 34,389,559 km (0.077 R)
• M73: 34,765,797 km (0.037 R)
• M74: 37,436,718 km (0.054 R)
• M75: 38,147,158 km (0.107 R)
• M76: 38,211,934 km (0.061 R)
• M77: 38,601,487 km (0.093 R)
• M78: 39,057,610 km (0.087 R)
• M79: 40,568,998 km (0.113 R)
• M80: 40,767,664 km (0.09 R)
• M81: 40,966,479 km (0.098 R)
• M82: 42,568,972 km (0.104 R)
• M83: 42,770,779 km (0.079 R)
• M84: 43,040,205 km (0.094 R)
• M85: 43,377,847 km (0.1 R)
• M86: 44,600,810 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.6

Radius: 4.1

Gravity: 26.39 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 15.54 AU - 15.7 AU

Year: 21597 Days

Day: 20.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 69,289,294 km

• M1: 110,104 km (0.114 R)
• M2: 604,824 km (0.115 R)
• M3: 895,792 km (0.102 R)
• M4: 1,530,386 km (0.09 R)
• M5: 1,920,388 km (0.101 R)
• M6: 2,508,457 km (0.026 R)
• M7: 2,576,973 km (0.109 R)
• M8: 2,857,469 km (0.074 R)
• M9: 3,485,331 km (0.062 R)
• M10: 3,639,118 km (0.063 R)
• M11: 5,560,403 km (0.114 R)
• M12: 5,740,070 km (0.117 R)
• M13: 6,336,966 km (0.12 R)
• M14: 6,571,834 km (0.068 R)
• M15: 6,857,417 km (0.073 R)
• M16: 7,938,710 km (0.117 R)
• M17: 8,602,177 km (0.064 R)
• M18: 8,862,028 km (0.119 R)
• M19: 9,927,165 km (0.113 R)
• M20: 10,254,635 km (0.072 R)
• M21: 10,641,046 km (0.112 R)
• M22: 12,001,639 km (0.107 R)
• M23: 13,656,640 km (0.105 R)
• M24: 14,326,240 km (0.039 R)
• M25: 14,449,210 km (0.066 R)
• M26: 14,944,229 km (0.09 R)
• M27: 15,823,864 km (0.101 R)
• M28: 16,591,002 km (0.052 R)
• M29: 17,632,802 km (0.05 R)
• M30: 18,161,481 km (0.09 R)
• M31: 19,166,928 km (0.119 R)
• M32: 19,574,133 km (0.08 R)
• M33: 19,710,417 km (0.063 R)
• M34: 19,915,665 km (0.113 R)
• M35: 21,231,229 km (0.117 R)
• M36: 21,511,725 km (0.077 R)
• M37: 21,722,957 km (0.075 R)
• M38: 22,076,457 km (0.087 R)
• M39: 22,218,425 km (0.049 R)
• M40: 22,860,948 km (0.1 R)
• M41: 23,004,562 km (0.106 R)
• M42: 24,677,515 km (0.09 R)
• M43: 24,751,117 km (0.031 R)
• M44: 24,972,373 km (0.033 R)
• M45: 26,539,859 km (0.11 R)
• M46: 27,526,008 km (0.075 R)
• M47: 28,138,761 km (0.076 R)
• M48: 30,476,527 km (0.053 R)
• M49: 31,668,523 km (0.094 R)
• M50: 31,988,961 km (0.104 R)
• M51: 32,471,714 km (0.077 R)
• M52: 32,633,130 km (0.095 R)
• M53: 33,934,183 km (0.109 R)
• M54: 34,344,230 km (0.104 R)
• M55: 34,591,067 km (0.09 R)
• M56: 38,448,448 km (0.049 R)
• M57: 39,133,008 km (0.105 R)
• M58: 40,167,477 km (0.088 R)
• M59: 40,254,094 km (0.096 R)
• M60: 41,385,802 km (0.112 R)
• M61: 41,736,011 km (0.108 R)
• M62: 41,999,453 km (0.057 R)
• M63: 42,351,456 km (0.106 R)
• M64: 43,769,345 km (0.069 R)
• M65: 48,207,016 km (0.08 R)
• M66: 50,245,586 km (0.109 R)
• M67: 50,432,285 km (0.107 R)
• M68: 51,275,269 km (0.105 R)
• M69: 51,840,001 km (0.032 R)
• M70: 57,989,371 km (0.096 R)
• M71: 59,069,168 km (0.048 R)
• M72: 61,647,936 km (0.105 R)
• M73: 61,747,868 km (0.105 R)
• M74: 66,914,380 km (0.118 R)
• M75: 67,634,245 km (0.055 R)
• M76: 68,770,590 km (0.085 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit