🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.53 AU - 0.55 AU

Year: 146 Days

Day: 35.1 Hours

Environment

Temp: 213 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.83 AU - 1.07 AU

Year: 342 Days

Day: 12.4 Hours

Environment

Temp: 43 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,360,765 km

• M1: 54,902 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.9 AU - 1.1 AU

Year: 369 Days

Day: 42.2 Hours

Environment

Temp: 34 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 97,360,765 km

• M1: 692,788 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.94 AU - 1.34 AU

Year: 449 Days

Day: 24.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.31 AU - 1.85 AU

Year: 733 Days

Day: 18.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 11.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.08 AU - 11.42 AU

Year: 12108 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 97,360,765 km

• M1: 187,745 km (0.107 R)
• M2: 263,741 km (0.082 R)
• M3: 380,577 km (0.11 R)
• M4: 605,123 km (0.069 R)
• M5: 681,568 km (0.096 R)
• M6: 1,117,496 km (0.082 R)
• M7: 1,280,857 km (0.107 R)
• M8: 2,012,839 km (0.106 R)
• M9: 2,092,425 km (0.078 R)
• M10: 2,275,533 km (0.104 R)
• M11: 2,485,269 km (0.077 R)
• M12: 2,614,223 km (0.115 R)
• M13: 2,701,588 km (0.081 R)
• M14: 2,856,721 km (0.066 R)
• M15: 3,269,162 km (0.114 R)
• M16: 3,530,809 km (0.076 R)
• M17: 3,603,214 km (0.114 R)
• M18: 3,848,704 km (0.08 R)
• M19: 3,948,486 km (0.109 R)
• M20: 4,617,787 km (0.12 R)
• M21: 5,156,788 km (0.07 R)
• M22: 5,322,393 km (0.084 R)
• M23: 5,744,259 km (0.079 R)
• M24: 6,118,553 km (0.113 R)
• M25: 6,352,973 km (0.034 R)
• M26: 6,441,684 km (0.111 R)
• M27: 6,560,465 km (0.054 R)
• M28: 6,951,813 km (0.12 R)
• M29: 7,506,372 km (0.115 R)
• M30: 7,757,398 km (0.067 R)
• M31: 8,690,739 km (0.119 R)
• M32: 9,287,784 km (0.107 R)
• M33: 9,557,359 km (0.106 R)
• M34: 9,693,194 km (0.113 R)
• M35: 10,001,066 km (0.056 R)
• M36: 10,208,260 km (0.115 R)
• M37: 10,908,677 km (0.062 R)
• M38: 11,264,869 km (0.09 R)
• M39: 11,697,207 km (0.109 R)
• M40: 12,876,786 km (0.102 R)
• M41: 13,139,929 km (0.102 R)
• M42: 13,215,476 km (0.087 R)
• M43: 13,291,023 km (0.117 R)
• M44: 13,404,867 km (0.041 R)
• M45: 14,210,003 km (0.072 R)
• M46: 14,638,152 km (0.116 R)
• M47: 14,716,391 km (0.098 R)
• M48: 16,351,945 km (0.08 R)
• M49: 16,636,779 km (0.082 R)
• M50: 16,841,429 km (0.091 R)
• M51: 17,460,166 km (0.115 R)
• M52: 19,317,723 km (0.064 R)
• M53: 19,446,676 km (0.063 R)
• M54: 19,878,565 km (0.114 R)
• M55: 19,965,332 km (0.11 R)
• M56: 20,182,698 km (0.108 R)
• M57: 20,269,913 km (0.096 R)
• M58: 21,060,388 km (0.099 R)
• M59: 23,034,781 km (0.083 R)
• M60: 24,182,795 km (0.037 R)
• M61: 24,321,771 km (0.113 R)
• M62: 25,020,842 km (0.108 R)
• M63: 25,963,159 km (0.064 R)
• M64: 26,629,618 km (0.117 R)
• M65: 26,869,124 km (0.111 R)
• M66: 27,301,761 km (0.092 R)
• M67: 28,516,047 km (0.118 R)
• M68: 29,401,068 km (0.116 R)
• M69: 29,549,469 km (0.106 R)
• M70: 29,648,652 km (0.107 R)
• M71: 30,545,192 km (0.045 R)
• M72: 30,946,564 km (0.053 R)
• M73: 31,198,337 km (0.116 R)
• M74: 31,551,986 km (0.101 R)
• M75: 32,876,825 km (0.119 R)
• M76: 32,979,599 km (0.104 R)
• M77: 33,701,259 km (0.115 R)
• M78: 34,636,694 km (0.114 R)
• M79: 35,055,269 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.7

Radius: 5.2

Gravity: 25.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 14.68 AU - 21.98 AU

Year: 28955 Days

Day: 25 Hours

Environment

Temp: -202 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 97,360,765 km

• M1: 319,541 km (0.058 R)
• M2: 570,267 km (0.115 R)
• M3: 1,087,876 km (0.118 R)
• M4: 1,185,264 km (0.105 R)
• M5: 1,494,632 km (0.078 R)
• M6: 3,004,075 km (0.066 R)
• M7: 3,662,754 km (0.077 R)
• M8: 3,958,509 km (0.1 R)
• M9: 4,159,868 km (0.103 R)
• M10: 4,261,744 km (0.106 R)
• M11: 6,467,565 km (0.101 R)
• M12: 7,187,430 km (0.091 R)
• M13: 7,556,936 km (0.104 R)
• M14: 7,743,934 km (0.037 R)
• M15: 8,122,716 km (0.103 R)
• M16: 8,571,958 km (0.092 R)
• M17: 8,767,034 km (0.069 R)
• M18: 9,029,428 km (0.108 R)
• M19: 11,504,375 km (0.069 R)
• M20: 13,112,702 km (0.077 R)
• M21: 13,262,450 km (0.052 R)
• M22: 14,790,293 km (0.119 R)
• M23: 17,925,415 km (0.096 R)
• M24: 18,091,618 km (0.108 R)
• M25: 18,174,795 km (0.083 R)
• M26: 19,353,776 km (0.115 R)
• M27: 19,439,047 km (0.115 R)
• M28: 20,384,056 km (0.078 R)
• M29: 20,470,673 km (0.059 R)
• M30: 20,644,357 km (0.067 R)
• M31: 23,036,277 km (0.071 R)
• M32: 24,035,591 km (0.117 R)
• M33: 24,494,407 km (0.098 R)
• M34: 26,453,242 km (0.116 R)
• M35: 28,558,682 km (0.109 R)
• M36: 29,337,489 km (0.117 R)
• M37: 29,435,326 km (0.12 R)
• M38: 30,024,741 km (0.083 R)
• M39: 32,319,722 km (0.115 R)
• M40: 33,233,167 km (0.111 R)
• M41: 33,437,218 km (0.082 R)
• M42: 35,605,490 km (0.09 R)
• M43: 36,970,271 km (0.097 R)
• M44: 37,393,633 km (0.066 R)
• M45: 38,352,107 km (0.091 R)
• M46: 42,597,994 km (0.118 R)
• M47: 43,598,803 km (0.061 R)
• M48: 44,382,397 km (0.118 R)
• M49: 45,850,251 km (0.091 R)
• M50: 46,419,022 km (0.079 R)
• M51: 46,761,302 km (0.089 R)
• M52: 48,485,867 km (0.084 R)
• M53: 51,523,751 km (0.105 R)
• M54: 51,759,966 km (0.095 R)
• M55: 51,878,298 km (0.094 R)
• M56: 54,743,097 km (0.116 R)
• M57: 57,414,017 km (0.086 R)
• M58: 57,781,430 km (0.073 R)
• M59: 59,012,171 km (0.114 R)
• M60: 61,248,959 km (0.064 R)
• M61: 62,881,520 km (0.105 R)
• M62: 63,639,832 km (0.083 R)
• M63: 67,605,971 km (0.047 R)
• M64: 68,123,579 km (0.101 R)
• M65: 68,253,131 km (0.105 R)
• M66: 68,382,832 km (0.067 R)
• M67: 68,902,386 km (0.052 R)
• M68: 69,423,136 km (0.117 R)
• M69: 72,575,612 km (0.091 R)
• M70: 72,840,400 km (0.031 R)
• M71: 74,435,861 km (0.092 R)
• M72: 76,850,670 km (0.081 R)
• M73: 78,067,649 km (0.111 R)
• M74: 78,339,019 km (0.119 R)
• M75: 83,969,584 km (0.09 R)
• M76: 84,108,560 km (0.067 R)
• M77: 86,903,647 km (0.101 R)
• M78: 88,312,709 km (0.079 R)
• M79: 89,161,677 km (0.09 R)
• M80: 93,447,058 km (0.099 R)
• M81: 93,879,246 km (0.086 R)
• M82: 94,167,671 km (0.05 R)
• M83: 94,890,229 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit