🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.5

Radius: 11.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.48 AU - 0.64 AU

Year: 289 Days

Day: 10.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,804,559 km

• M1: 145,110 km (0.118 R)
• M2: 400,773 km (0.103 R)
• M3: 636,389 km (0.087 R)
• M4: 863,928 km (0.086 R)
• M5: 1,086,529 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 8.3

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.15 AU - 1.59 AU

Year: 1107 Days

Day: 13.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,804,559 km

• M1: 103,372 km (0.102 R)
• M2: 312,360 km (0.114 R)
• M3: 480,658 km (0.093 R)
• M4: 866,770 km (0.12 R)
• M5: 1,201,271 km (0.109 R)
• M6: 1,356,703 km (0.09 R)
• M7: 1,579,754 km (0.09 R)
• M8: 1,884,335 km (0.12 R)
• M9: 2,431,115 km (0.102 R)
• M10: 2,946,330 km (0.075 R)
• M11: 3,717,806 km (0.064 R)
• M12: 3,901,812 km (0.117 R)
• M13: 4,311,411 km (0.051 R)
• M14: 4,980,263 km (0.095 R)
• M15: 5,286,490 km (0.083 R)
• M16: 5,506,249 km (0.047 R)
• M17: 6,126,033 km (0.077 R)
• M18: 6,448,566 km (0.107 R)
• M19: 6,814,931 km (0.084 R)
• M20: 8,780,198 km (0.109 R)
• M21: 10,007,200 km (0.098 R)
• M22: 11,545,066 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.5

Radius: 8.6

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.75 AU - 1.79 AU

Year: 1625 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,804,559 km

• M1: 140,173 km (0.087 R)
• M2: 333,154 km (0.108 R)
• M3: 722,558 km (0.103 R)
• M4: 1,057,358 km (0.113 R)
• M5: 1,409,511 km (0.112 R)
• M6: 1,745,358 km (0.069 R)
• M7: 2,386,535 km (0.111 R)
• M8: 2,569,643 km (0.113 R)
• M9: 2,772,647 km (0.058 R)
• M10: 2,970,266 km (0.066 R)
• M11: 3,174,916 km (0.073 R)
• M12: 3,429,830 km (0.116 R)
• M13: 4,568,270 km (0.082 R)
• M14: 4,892,000 km (0.117 R)
• M15: 5,299,056 km (0.099 R)
• M16: 5,685,168 km (0.043 R)
• M17: 6,660,396 km (0.069 R)
• M18: 8,384,063 km (0.112 R)
• M19: 8,683,259 km (0.119 R)
• M20: 9,297,358 km (0.106 R)
• M21: 9,612,262 km (0.053 R)
• M22: 10,537,824 km (0.115 R)
• M23: 11,056,180 km (0.114 R)
• M24: 12,130,293 km (0.081 R)
• M25: 12,518,051 km (0.115 R)
• M26: 13,630,909 km (0.099 R)
• M27: 14,012,533 km (0.09 R)
• M28: 14,459,382 km (0.056 R)
• M29: 15,560,572 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 14.7

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.5 AU - 2.28 AU

Year: 1794 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,804,559 km

• M1: 214,823 km (0.083 R)
• M2: 515,365 km (0.081 R)
• M3: 1,154,148 km (0.117 R)
• M4: 1,538,764 km (0.07 R)
• M5: 1,824,346 km (0.075 R)
• M6: 2,230,205 km (0.092 R)
• M7: 2,566,950 km (0.085 R)
• M8: 2,892,924 km (0.09 R)
• M9: 3,227,125 km (0.083 R)
• M10: 3,621,316 km (0.099 R)
• M11: 3,982,295 km (0.11 R)
• M12: 4,572,758 km (0.038 R)
• M13: 4,947,650 km (0.096 R)
• M14: 5,255,224 km (0.076 R)
• M15: 6,217,736 km (0.062 R)
• M16: 6,526,506 km (0.089 R)
• M17: 6,880,604 km (0.073 R)
• M18: 7,420,054 km (0.077 R)
• M19: 8,206,341 km (0.057 R)
• M20: 8,667,701 km (0.116 R)
• M21: 9,606,726 km (0.073 R)
• M22: 9,923,126 km (0.069 R)
• M23: 10,384,187 km (0.03 R)
• M24: 11,411,475 km (0.089 R)
• M25: 11,881,063 km (0.058 R)
• M26: 12,797,200 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 13.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.34 AU - 2.96 AU

Year: 2978 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,804,559 km

• M1: 172,337 km (0.108 R)
• M2: 1,041,800 km (0.102 R)
• M3: 2,443,083 km (0.088 R)
• M4: 3,831,949 km (0.118 R)
• M5: 4,202,503 km (0.052 R)
• M6: 5,437,135 km (0.046 R)
• M7: 5,997,379 km (0.11 R)
• M8: 9,520,259 km (0.091 R)
• M9: 11,451,119 km (0.028 R)
• M10: 11,806,414 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14

Radius: 10.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.58 AU - 3.1 AU

Year: 3304 Days

Day: 11.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,804,559 km

• M1: 190,737 km (0.089 R)
• M2: 393,143 km (0.117 R)
• M3: 1,153,400 km (0.105 R)
• M4: 1,696,290 km (0.096 R)
• M5: 1,913,955 km (0.064 R)
• M6: 2,376,661 km (0.111 R)
• M7: 2,597,019 km (0.105 R)
• M8: 3,231,763 km (0.118 R)
• M9: 3,590,199 km (0.117 R)
• M10: 4,847,719 km (0.059 R)
• M11: 5,098,146 km (0.084 R)
• M12: 6,128,726 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 12.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.45 AU - 3.97 AU

Year: 3970 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,804,559 km

• M1: 158,125 km (0.088 R)
• M2: 683,213 km (0.029 R)
• M3: 927,806 km (0.119 R)
• M4: 1,295,966 km (0.117 R)
• M5: 1,670,559 km (0.109 R)
• M6: 2,142,541 km (0.086 R)
• M7: 4,276,106 km (0.112 R)
• M8: 4,987,443 km (0.052 R)
• M9: 5,607,078 km (0.11 R)
• M10: 7,806,166 km (0.099 R)
• M11: 8,734,421 km (0.093 R)
• M12: 9,489,591 km (0.118 R)
• M13: 11,873,882 km (0.089 R)
• M14: 13,358,043 km (0.098 R)
• M15: 13,665,466 km (0.079 R)
• M16: 15,750,113 km (0.104 R)
• M17: 17,499,211 km (0.1 R)
• M18: 19,711,464 km (0.095 R)
• M19: 20,226,380 km (0.067 R)
• M20: 21,469,987 km (0.045 R)
• M21: 22,105,778 km (0.075 R)
• M22: 22,601,246 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 12,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit