🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1 AU - 1.12 AU

Year: 418 Days

Day: 46 Hours

Environment

Temp: 15 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 107,198,255 km

• M1: 198,816 km (0.119 R)
• M2: 658,979 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.8 AU - 1.32 AU

Year: 418 Days

Day: 43.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 107,198,255 km

• M1: 299,944 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.96 AU - 1.5 AU

Year: 522 Days

Day: 23.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.99 AU - 3.05 AU

Year: 1532 Days

Day: 36.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.45 AU - 3.05 AU

Year: 1746 Days

Day: 30.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.64 AU - 4.36 AU

Year: 2507 Days

Day: 19.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.3

Radius: 7.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.42 AU - 16.12 AU

Year: 18509 Days

Day: 22.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 107,198,255 km

• M1: 96,042 km (0.067 R)
• M2: 612,154 km (0.114 R)
• M3: 691,741 km (0.106 R)
• M4: 758,012 km (0.105 R)
• M5: 809,324 km (0.119 R)
• M6: 970,441 km (0.075 R)
• M7: 1,323,792 km (0.114 R)
• M8: 1,580,651 km (0.098 R)
• M9: 2,116,211 km (0.106 R)
• M10: 2,214,796 km (0.045 R)
• M11: 2,545,857 km (0.087 R)
• M12: 2,947,228 km (0.109 R)
• M13: 3,282,626 km (0.084 R)
• M14: 3,368,346 km (0.085 R)
• M15: 3,513,007 km (0.094 R)
• M16: 3,898,670 km (0.061 R)
• M17: 4,235,565 km (0.068 R)
• M18: 4,329,063 km (0.058 R)
• M19: 4,454,875 km (0.03 R)
• M20: 4,807,028 km (0.102 R)
• M21: 4,904,566 km (0.074 R)
• M22: 5,674,696 km (0.098 R)
• M23: 5,881,889 km (0.083 R)
• M24: 6,091,476 km (0.099 R)
• M25: 6,374,664 km (0.085 R)
• M26: 7,475,106 km (0.054 R)
• M27: 7,588,352 km (0.119 R)
• M28: 8,008,423 km (0.096 R)
• M29: 8,240,898 km (0.104 R)
• M30: 8,514,812 km (0.108 R)
• M31: 10,136,752 km (0.073 R)
• M32: 11,675,665 km (0.032 R)
• M33: 11,807,162 km (0.101 R)
• M34: 14,491,995 km (0.116 R)
• M35: 15,829,250 km (0.069 R)
• M36: 16,072,197 km (0.109 R)
• M37: 16,169,735 km (0.109 R)
• M38: 16,218,653 km (0.065 R)
• M39: 16,365,409 km (0.114 R)
• M40: 16,611,048 km (0.106 R)
• M41: 17,106,068 km (0.079 R)
• M42: 17,857,647 km (0.087 R)
• M43: 18,364,635 km (0.108 R)
• M44: 18,824,947 km (0.098 R)
• M45: 19,134,016 km (0.088 R)
• M46: 19,340,910 km (0.076 R)
• M47: 19,444,731 km (0.108 R)
• M48: 19,757,092 km (0.108 R)
• M49: 19,809,301 km (0.101 R)
• M50: 19,966,229 km (0.062 R)
• M51: 21,129,802 km (0.07 R)
• M52: 21,290,171 km (0.086 R)
• M53: 21,504,694 km (0.075 R)
• M54: 23,855,026 km (0.111 R)
• M55: 25,599,337 km (0.082 R)
• M56: 25,656,184 km (0.046 R)
• M57: 26,056,060 km (0.118 R)
• M58: 26,458,029 km (0.081 R)
• M59: 27,968,668 km (0.076 R)
• M60: 28,144,745 km (0.088 R)
• M61: 28,380,212 km (0.091 R)
• M62: 28,971,423 km (0.116 R)
• M63: 30,226,549 km (0.081 R)
• M64: 30,346,975 km (0.102 R)
• M65: 30,709,152 km (0.053 R)
• M66: 31,194,597 km (0.06 R)
• M67: 31,438,142 km (0.06 R)
• M68: 32,049,848 km (0.067 R)
• M69: 32,480,540 km (0.107 R)
• M70: 32,603,809 km (0.104 R)
• M71: 34,661,976 km (0.053 R)
• M72: 35,611,324 km (0.115 R)
• M73: 36,505,022 km (0.091 R)
• M74: 38,771,579 km (0.092 R)
• M75: 39,427,416 km (0.08 R)
• M76: 40,086,993 km (0.077 R)
• M77: 40,219,388 km (0.104 R)
• M78: 40,949,874 km (0.097 R)
• M79: 41,283,477 km (0.031 R)
• M80: 41,617,828 km (0.078 R)
• M81: 42,491,480 km (0.083 R)
• M82: 43,847,435 km (0.052 R)
• M83: 44,120,302 km (0.062 R)
• M84: 44,188,668 km (0.057 R)
• M85: 45,976,961 km (0.096 R)
• M86: 46,046,225 km (0.101 R)
• M87: 46,393,142 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.8

Radius: 4.2

Gravity: 54.07 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 16.71 AU - 18.55 AU

Year: 28343 Days

Day: 21.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 107,198,255 km

• M1: 115,041 km (0.062 R)
• M2: 450,589 km (0.053 R)
• M3: 753,824 km (0.073 R)
• M4: 1,286,242 km (0.069 R)
• M5: 1,359,545 km (0.084 R)
• M6: 1,396,795 km (0.053 R)
• M7: 1,786,947 km (0.119 R)
• M8: 2,614,372 km (0.114 R)
• M9: 2,849,241 km (0.088 R)
• M10: 4,959,020 km (0.084 R)
• M11: 5,485,455 km (0.109 R)
• M12: 6,401,742 km (0.052 R)
• M13: 7,430,227 km (0.093 R)
• M14: 8,371,497 km (0.09 R)
• M15: 8,647,206 km (0.118 R)
• M16: 10,289,790 km (0.111 R)
• M17: 10,511,046 km (0.028 R)
• M18: 12,336,289 km (0.096 R)
• M19: 13,768,240 km (0.05 R)
• M20: 14,751,547 km (0.095 R)
• M21: 15,419,651 km (0.115 R)
• M22: 15,757,443 km (0.068 R)
• M23: 16,097,628 km (0.118 R)
• M24: 16,612,395 km (0.08 R)
• M25: 17,219,762 km (0.058 R)
• M26: 17,570,120 km (0.092 R)
• M27: 17,922,872 km (0.1 R)
• M28: 18,725,016 km (0.063 R)
• M29: 19,266,111 km (0.037 R)
• M30: 22,428,610 km (0.057 R)
• M31: 22,524,054 km (0.119 R)
• M32: 24,166,788 km (0.11 R)
• M33: 24,460,598 km (0.091 R)
• M34: 24,755,755 km (0.093 R)
• M35: 26,955,292 km (0.085 R)
• M36: 27,565,801 km (0.069 R)
• M37: 27,975,550 km (0.085 R)
• M38: 28,078,174 km (0.115 R)
• M39: 32,828,505 km (0.112 R)
• M40: 34,136,589 km (0.106 R)
• M41: 36,242,179 km (0.085 R)
• M42: 36,466,276 km (0.104 R)
• M43: 38,275,513 km (0.045 R)
• M44: 38,503,650 km (0.086 R)
• M45: 40,926,985 km (0.087 R)
• M46: 41,277,194 km (0.045 R)
• M47: 42,451,537 km (0.093 R)
• M48: 42,924,416 km (0.12 R)
• M49: 44,953,412 km (0.106 R)
• M50: 46,647,758 km (0.066 R)
• M51: 47,993,540 km (0.114 R)
• M52: 48,733,002 km (0.079 R)
• M53: 48,856,570 km (0.111 R)
• M54: 49,104,155 km (0.087 R)
• M55: 50,098,382 km (0.052 R)
• M56: 50,598,039 km (0.091 R)
• M57: 50,848,466 km (0.034 R)
• M58: 51,602,290 km (0.062 R)
• M59: 52,612,973 km (0.12 R)
• M60: 52,739,832 km (0.069 R)
• M61: 53,885,602 km (0.098 R)
• M62: 55,039,600 km (0.086 R)
• M63: 55,684,217 km (0.067 R)
• M64: 58,156,621 km (0.09 R)
• M65: 59,604,130 km (0.1 R)
• M66: 61,330,340 km (0.093 R)
• M67: 63,072,706 km (0.054 R)
• M68: 64,288,488 km (0.069 R)
• M69: 65,512,049 km (0.058 R)
• M70: 66,743,240 km (0.118 R)
• M71: 67,155,382 km (0.106 R)
• M72: 67,568,272 km (0.056 R)
• M73: 71,182,257 km (0.108 R)
• M74: 71,884,470 km (0.085 R)
• M75: 75,715,671 km (0.086 R)
• M76: 76,002,001 km (0.092 R)
• M77: 77,439,637 km (0.066 R)
• M78: 80,633,552 km (0.069 R)
• M79: 80,779,709 km (0.109 R)
• M80: 81,952,556 km (0.103 R)
• M81: 84,909,059 km (0.051 R)
• M82: 85,653,607 km (0.102 R)
• M83: 86,999,240 km (0.109 R)
• M84: 87,149,287 km (0.075 R)
• M85: 94,601,355 km (0.098 R)
• M86: 94,755,590 km (0.113 R)
• M87: 96,147,150 km (0.07 R)
• M88: 99,733,908 km (0.073 R)
• M89: 102,096,657 km (0.077 R)
• M90: 102,413,057 km (0.078 R)
• M91: 102,729,755 km (0.088 R)
• M92: 106,235,432 km (0.088 R)
• M93: 107,037,576 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit