🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.65 AU - 1.03 AU

Year: 272 Days

Day: 30.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,489,398 km

• M1: 253,419 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.73 AU - 1.05 AU

Year: 296 Days

Day: 37.7 Hours

Environment

Temp: 99 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.8 AU - 1.16 AU

Year: 343 Days

Day: 22.7 Hours

Environment

Temp: 111 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.21 AU - 1.59 AU

Year: 585 Days

Day: 46.1 Hours

Environment

Temp: 0 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,489,398 km

• M1: 759,658 km (0.084 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.11 AU - 3.75 AU

Year: 2243 Days

Day: 46.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,489,398 km

• M1: 79,287 km (0.104 R)
• M2: 257,907 km (0.102 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.87 AU - 5.03 AU

Year: 3315 Days

Day: 22.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,489,398 km

• M1: 374,294 km (0.087 R)
• M2: 2,967,423 km (0.105 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.64 AU - 5.36 AU

Year: 3371 Days

Day: 20.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,489,398 km

• M1: 1,383,930 km (0.091 R)

Asteroid Belt

Center: 5.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872

Radius: 10.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.01 AU - 8.19 AU

Year: 5987 Days

Day: 6.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 37,489,398 km

• M1: 137,630 km (0.048 R)
• M2: 621,579 km (0.115 R)
• M3: 1,177,036 km (0.052 R)
• M4: 1,778,719 km (0.095 R)
• M5: 2,019,272 km (0.083 R)
• M6: 2,185,475 km (0.083 R)
• M7: 2,621,104 km (0.087 R)
• M8: 2,734,200 km (0.068 R)
• M9: 2,989,115 km (0.094 R)
• M10: 3,155,318 km (0.08 R)
• M11: 3,571,948 km (0.097 R)
• M12: 3,697,910 km (0.06 R)
• M13: 3,902,560 km (0.115 R)
• M14: 4,032,261 km (0.053 R)
• M15: 4,189,937 km (0.088 R)
• M16: 4,403,413 km (0.101 R)
• M17: 4,620,480 km (0.091 R)
• M18: 4,896,787 km (0.09 R)
• M19: 5,121,782 km (0.062 R)
• M20: 5,906,124 km (0.091 R)
• M21: 6,419,095 km (0.101 R)
• M22: 6,572,882 km (0.116 R)
• M23: 6,727,715 km (0.088 R)
• M24: 7,041,123 km (0.049 R)
• M25: 7,167,832 km (0.075 R)
• M26: 7,327,304 km (0.084 R)
• M27: 7,649,837 km (0.09 R)
• M28: 7,812,898 km (0.073 R)
• M29: 8,275,605 km (0.065 R)
• M30: 8,611,452 km (0.054 R)
• M31: 8,951,937 km (0.044 R)
• M32: 9,123,825 km (0.09 R)
• M33: 9,331,466 km (0.072 R)
• M34: 9,751,537 km (0.092 R)
• M35: 9,893,057 km (0.099 R)
• M36: 10,213,795 km (0.103 R)
• M37: 10,501,771 km (0.082 R)
• M38: 10,938,746 km (0.048 R)
• M39: 11,159,403 km (0.038 R)
• M40: 12,784,335 km (0.055 R)
• M41: 13,250,931 km (0.062 R)
• M42: 13,643,924 km (0.087 R)
• M43: 13,841,992 km (0.118 R)
• M44: 14,441,580 km (0.097 R)
• M45: 14,846,242 km (0.068 R)
• M46: 15,090,685 km (0.059 R)
• M47: 15,295,485 km (0.102 R)
• M48: 15,377,614 km (0.106 R)
• M49: 15,707,776 km (0.12 R)
• M50: 15,998,595 km (0.09 R)
• M51: 16,082,070 km (0.095 R)
• M52: 16,417,170 km (0.099 R)
• M53: 17,737,670 km (0.12 R)
• M54: 17,823,988 km (0.068 R)
• M55: 18,345,187 km (0.114 R)
• M56: 18,563,749 km (0.058 R)
• M57: 19,446,826 km (0.108 R)
• M58: 19,803,916 km (0.099 R)
• M59: 21,529,527 km (0.075 R)
• M60: 22,925,574 km (0.107 R)
• M61: 23,066,795 km (0.059 R)
• M62: 23,444,829 km (0.118 R)
• M63: 23,729,663 km (0.098 R)
• M64: 23,824,957 km (0.11 R)
• M65: 24,591,197 km (0.115 R)
• M66: 24,832,199 km (0.099 R)
• M67: 25,560,292 km (0.102 R)
• M68: 25,657,980 km (0.118 R)
• M69: 25,902,423 km (0.101 R)
• M70: 26,295,416 km (0.091 R)
• M71: 26,987,755 km (0.057 R)
• M72: 27,836,424 km (0.114 R)
• M73: 28,037,483 km (0.101 R)
• M74: 29,713,877 km (0.118 R)
• M75: 30,176,733 km (0.06 R)
• M76: 31,318,165 km (0.086 R)
• M77: 32,897,320 km (0.114 R)
• M78: 33,857,289 km (0.115 R)
• M79: 34,179,374 km (0.117 R)
• M80: 35,968,564 km (0.11 R)
• M81: 36,736,749 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 8.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.11 AU - 10.27 AU

Year: 10651 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 37,489,398 km

• M1: 116,387 km (0.117 R)
• M2: 254,765 km (0.105 R)
• M3: 311,014 km (0.095 R)
• M4: 417,228 km (0.082 R)
• M5: 712,235 km (0.066 R)
• M6: 769,831 km (0.084 R)
• M7: 1,236,277 km (0.12 R)
• M8: 1,641,537 km (0.11 R)
• M9: 2,567,099 km (0.038 R)
• M10: 2,820,219 km (0.113 R)
• M11: 3,154,122 km (0.119 R)
• M12: 3,450,475 km (0.115 R)
• M13: 3,576,735 km (0.096 R)
• M14: 3,964,344 km (0.103 R)
• M15: 4,043,630 km (0.062 R)
• M16: 4,149,995 km (0.112 R)
• M17: 4,230,329 km (0.041 R)
• M18: 4,392,792 km (0.064 R)
• M19: 4,557,200 km (0.049 R)
• M20: 4,807,776 km (0.096 R)
• M21: 5,380,736 km (0.116 R)
• M22: 5,705,064 km (0.084 R)
• M23: 6,005,457 km (0.119 R)
• M24: 6,096,562 km (0.059 R)
• M25: 6,496,886 km (0.111 R)
• M26: 6,684,482 km (0.081 R)
• M27: 7,001,180 km (0.109 R)
• M28: 8,418,171 km (0.119 R)
• M29: 8,588,563 km (0.094 R)
• M30: 9,352,111 km (0.097 R)
• M31: 9,849,225 km (0.051 R)
• M32: 10,028,742 km (0.047 R)
• M33: 10,354,865 km (0.093 R)
• M34: 10,721,231 km (0.093 R)
• M35: 11,129,334 km (0.088 R)
• M36: 11,542,373 km (0.076 R)
• M37: 12,383,562 km (0.042 R)
• M38: 12,733,322 km (0.106 R)
• M39: 12,929,146 km (0.061 R)
• M40: 13,047,029 km (0.113 R)
• M41: 13,562,244 km (0.111 R)
• M42: 14,205,515 km (0.1 R)
• M43: 14,612,570 km (0.075 R)
• M44: 14,940,938 km (0.107 R)
• M45: 15,354,875 km (0.059 R)
• M46: 15,438,201 km (0.107 R)
• M47: 16,236,455 km (0.072 R)
• M48: 16,534,005 km (0.074 R)
• M49: 16,704,846 km (0.057 R)
• M50: 17,005,089 km (0.09 R)
• M51: 17,350,660 km (0.064 R)
• M52: 17,654,793 km (0.072 R)
• M53: 18,268,443 km (0.059 R)
• M54: 18,489,250 km (0.11 R)
• M55: 19,381,451 km (0.104 R)
• M56: 19,606,746 km (0.067 R)
• M57: 20,562,227 km (0.089 R)
• M58: 20,930,238 km (0.059 R)
• M59: 21,022,690 km (0.109 R)
• M60: 21,346,868 km (0.11 R)
• M61: 21,859,839 km (0.072 R)
• M62: 22,945,321 km (0.111 R)
• M63: 23,470,709 km (0.072 R)
• M64: 23,807,155 km (0.108 R)
• M65: 24,436,214 km (0.038 R)
• M66: 25,021,590 km (0.104 R)
• M67: 25,217,713 km (0.046 R)
• M68: 26,057,256 km (0.057 R)
• M69: 27,915,711 km (0.118 R)
• M70: 28,068,300 km (0.083 R)
• M71: 30,024,741 km (0.11 R)
• M72: 31,282,860 km (0.092 R)
• M73: 32,131,079 km (0.078 R)
• M74: 32,665,144 km (0.11 R)
• M75: 33,633,790 km (0.09 R)
• M76: 33,687,795 km (0.055 R)
• M77: 33,850,258 km (0.066 R)
• M78: 34,339,144 km (0.117 R)
• M79: 34,448,201 km (0.11 R)
• M80: 35,434,051 km (0.118 R)
• M81: 35,544,155 km (0.07 R)
• M82: 35,654,259 km (0.076 R)
• M83: 36,373,525 km (0.105 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 12,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit