🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 10.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.59 AU - 0.73 AU

Year: 377 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,654,087 km

• M1: 125,662 km (0.1 R)
• M2: 479,312 km (0.085 R)
• M3: 793,766 km (0.101 R)
• M4: 1,179,729 km (0.091 R)
• M5: 1,781,711 km (0.081 R)
• M6: 2,186,522 km (0.069 R)
• M7: 2,505,016 km (0.103 R)
• M8: 3,357,425 km (0.076 R)
• M9: 3,677,265 km (0.098 R)
• M10: 4,080,581 km (0.085 R)
• M11: 4,636,636 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 9.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 394 Days

Day: 6.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,654,087 km

• M1: 116,836 km (0.073 R)
• M2: 440,865 km (0.066 R)
• M3: 854,653 km (0.081 R)
• M4: 1,160,730 km (0.055 R)
• M5: 1,458,878 km (0.042 R)
• M6: 2,374,717 km (0.116 R)
• M7: 2,673,015 km (0.111 R)
• M8: 3,172,821 km (0.101 R)
• M9: 3,824,021 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 13.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.05 AU - 1.59 AU

Year: 1066 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,654,087 km

• M1: 163,211 km (0.08 R)
• M2: 579,841 km (0.112 R)
• M3: 1,233,584 km (0.105 R)
• M4: 1,732,343 km (0.102 R)
• M5: 2,411,817 km (0.051 R)
• M6: 3,335,883 km (0.048 R)
• M7: 3,872,191 km (0.118 R)
• M8: 4,342,377 km (0.091 R)
• M9: 5,217,974 km (0.076 R)
• M10: 5,645,824 km (0.094 R)
• M11: 6,457,093 km (0.037 R)
• M12: 6,999,684 km (0.056 R)
• M13: 10,628,330 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.4

Radius: 8.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.22 AU - 3.68 AU

Year: 4504 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,654,087 km

• M1: 104,419 km (0.113 R)
• M2: 421,118 km (0.12 R)
• M3: 1,219,671 km (0.113 R)
• M4: 1,598,004 km (0.052 R)
• M5: 2,078,662 km (0.041 R)
• M6: 2,535,684 km (0.086 R)
• M7: 2,929,276 km (0.095 R)
• M8: 4,093,895 km (0.118 R)
• M9: 4,813,760 km (0.081 R)
• M10: 5,322,842 km (0.117 R)
• M11: 6,866,393 km (0.114 R)
• M12: 8,923,513 km (0.112 R)
• M13: 11,201,141 km (0.105 R)
• M14: 13,568,826 km (0.082 R)
• M15: 14,583,997 km (0.101 R)
• M16: 17,183,559 km (0.101 R)
• M17: 18,759,872 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.7

Radius: 7.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.02 AU - 7.86 AU

Year: 11488 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,654,087 km

• M1: 113,395 km (0.047 R)
• M2: 349,909 km (0.07 R)
• M3: 1,273,527 km (0.028 R)
• M4: 1,746,854 km (0.118 R)
• M5: 2,585,500 km (0.097 R)
• M6: 3,062,867 km (0.107 R)
• M7: 3,574,043 km (0.103 R)
• M8: 4,378,281 km (0.11 R)
• M9: 6,444,527 km (0.091 R)
• M10: 7,169,777 km (0.079 R)
• M11: 8,955,078 km (0.063 R)
• M12: 9,219,567 km (0.115 R)
• M13: 10,818,469 km (0.092 R)
• M14: 11,735,953 km (0.056 R)
• M15: 12,213,619 km (0.095 R)
• M16: 15,735,751 km (0.05 R)
• M17: 17,045,929 km (0.106 R)
• M18: 18,356,556 km (0.082 R)
• M19: 20,636,877 km (0.113 R)
• M20: 23,017,278 km (0.058 R)
• M21: 31,958,593 km (0.074 R)
• M22: 34,697,431 km (0.056 R)
• M23: 35,023,255 km (0.059 R)
• M24: 37,361,021 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.2

Radius: 5.9

Gravity: 17.36 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.68 AU - 8.58 AU

Year: 16295 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,654,087 km

• M1: 73,901 km (0.117 R)
• M2: 259,253 km (0.058 R)
• M3: 463,005 km (0.038 R)
• M4: 778,507 km (0.089 R)
• M5: 963,410 km (0.063 R)
• M6: 1,529,788 km (0.104 R)
• M7: 1,790,088 km (0.092 R)
• M8: 3,673,525 km (0.115 R)
• M9: 4,519,800 km (0.064 R)
• M10: 6,023,109 km (0.049 R)
• M11: 6,548,946 km (0.112 R)
• M12: 7,017,337 km (0.105 R)
• M13: 8,116,732 km (0.051 R)
• M14: 10,594,072 km (0.096 R)
• M15: 11,359,266 km (0.098 R)
• M16: 11,786,218 km (0.104 R)
• M17: 18,855,615 km (0.09 R)
• M18: 23,509,305 km (0.086 R)
• M19: 25,525,735 km (0.069 R)
• M20: 30,829,728 km (0.038 R)
• M21: 38,571,268 km (0.104 R)
• M22: 39,396,150 km (0.101 R)
• M23: 46,423,660 km (0.12 R)
• M24: 48,461,333 km (0.079 R)
• M25: 49,582,868 km (0.06 R)
• M26: 50,557,947 km (0.082 R)
• M27: 52,546,102 km (0.095 R)
• M28: 56,677,846 km (0.119 R)
• M29: 58,101,719 km (0.113 R)
• M30: 61,952,817 km (0.109 R)
• M31: 62,328,158 km (0.095 R)
• M32: 62,516,501 km (0.113 R)
• M33: 63,463,605 km (0.088 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: 542 - 14,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit