🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 8.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.64 AU - 0.96 AU

Year: 485 Days

Day: 12.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,122,452 km

• M1: 105,766 km (0.097 R)
• M2: 380,427 km (0.113 R)
• M3: 675,883 km (0.034 R)
• M4: 1,136,196 km (0.075 R)
• M5: 1,432,400 km (0.107 R)
• M6: 2,184,428 km (0.036 R)
• M7: 3,145,295 km (0.118 R)
• M8: 3,502,086 km (0.105 R)
• M9: 4,244,391 km (0.078 R)
• M10: 4,596,993 km (0.115 R)
• M11: 4,954,382 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 13.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.6 AU - 2.04 AU

Year: 1665 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,122,452 km

• M1: 169,195 km (0.05 R)
• M2: 699,669 km (0.077 R)
• M3: 1,235,080 km (0.062 R)
• M4: 1,772,136 km (0.089 R)
• M5: 2,337,616 km (0.038 R)
• M6: 3,274,697 km (0.088 R)
• M7: 3,887,001 km (0.111 R)
• M8: 4,648,155 km (0.093 R)
• M9: 5,865,583 km (0.106 R)
• M10: 6,445,125 km (0.079 R)
• M11: 7,361,113 km (0.073 R)
• M12: 7,877,076 km (0.106 R)
• M13: 8,444,800 km (0.096 R)
• M14: 8,895,538 km (0.112 R)
• M15: 9,571,870 km (0.096 R)
• M16: 10,441,183 km (0.107 R)
• M17: 11,227,619 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.6

Radius: 10.7

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.87 AU - 3.11 AU

Year: 2665 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,122,452 km

• M1: 133,142 km (0.074 R)
• M2: 528,230 km (0.119 R)
• M3: 1,261,858 km (0.066 R)
• M4: 1,684,023 km (0.077 R)
• M5: 2,186,672 km (0.071 R)
• M6: 3,067,654 km (0.104 R)
• M7: 3,646,897 km (0.058 R)
• M8: 4,128,303 km (0.079 R)
• M9: 4,812,414 km (0.081 R)
• M10: 6,606,242 km (0.106 R)
• M11: 7,385,796 km (0.095 R)
• M12: 8,225,639 km (0.084 R)
• M13: 10,171,907 km (0.108 R)
• M14: 11,128,586 km (0.098 R)
• M15: 11,970,822 km (0.095 R)
• M16: 12,585,370 km (0.114 R)
• M17: 13,640,334 km (0.097 R)
• M18: 15,154,264 km (0.119 R)
• M19: 17,435,632 km (0.086 R)
• M20: 18,513,335 km (0.117 R)
• M21: 19,394,915 km (0.11 R)
• M22: 20,058,980 km (0.114 R)
• M23: 21,115,141 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 14.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.78 AU - 3.23 AU

Year: 3524 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,122,452 km

• M1: 176,675 km (0.113 R)
• M2: 627,713 km (0.119 R)
• M3: 1,371,812 km (0.092 R)
• M4: 1,867,879 km (0.06 R)
• M5: 2,325,648 km (0.084 R)
• M6: 2,942,291 km (0.085 R)
• M7: 4,737,465 km (0.085 R)
• M8: 5,321,196 km (0.12 R)
• M9: 6,174,054 km (0.068 R)
• M10: 6,663,089 km (0.087 R)
• M11: 7,687,236 km (0.106 R)
• M12: 9,435,736 km (0.043 R)
• M13: 10,125,981 km (0.104 R)
• M14: 10,604,843 km (0.087 R)
• M15: 11,098,666 km (0.084 R)
• M16: 12,000,143 km (0.03 R)
• M17: 14,194,295 km (0.051 R)
• M18: 19,001,922 km (0.08 R)
• M19: 22,773,733 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.2

Radius: 12.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.64 AU - 3.96 AU

Year: 4066 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,122,452 km

• M1: 168,148 km (0.048 R)
• M2: 994,975 km (0.072 R)
• M3: 2,361,103 km (0.102 R)
• M4: 2,924,190 km (0.075 R)
• M5: 4,557,200 km (0.057 R)
• M6: 6,365,539 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.8

Radius: 6

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.78 AU - 8 AU

Year: 15032 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,122,452 km

• M1: 75,996 km (0.11 R)
• M2: 321,037 km (0.086 R)
• M3: 971,788 km (0.098 R)
• M4: 1,345,633 km (0.098 R)
• M5: 1,763,011 km (0.068 R)
• M6: 2,358,410 km (0.039 R)
• M7: 2,875,720 km (0.117 R)
• M8: 3,268,713 km (0.072 R)
• M9: 4,247,532 km (0.114 R)
• M10: 4,851,459 km (0.074 R)
• M11: 5,614,857 km (0.066 R)
• M12: 7,047,256 km (0.094 R)
• M13: 7,935,569 km (0.085 R)
• M14: 8,429,541 km (0.096 R)
• M15: 11,775,896 km (0.118 R)
• M16: 14,223,466 km (0.106 R)
• M17: 14,951,709 km (0.05 R)
• M18: 16,196,662 km (0.099 R)
• M19: 22,043,994 km (0.06 R)
• M20: 22,749,797 km (0.054 R)
• M21: 28,530,857 km (0.12 R)
• M22: 29,793,762 km (0.118 R)
• M23: 30,874,457 km (0.053 R)
• M24: 31,093,618 km (0.099 R)
• M25: 33,805,828 km (0.1 R)
• M26: 41,002,981 km (0.055 R)
• M27: 41,801,086 km (0.116 R)
• M28: 44,676,207 km (0.099 R)
• M29: 48,859,562 km (0.103 R)
• M30: 50,360,627 km (0.115 R)
• M31: 50,816,751 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 19,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit