🌌 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: 779.8

Radius: 13.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,937,676 km

• M1: 162,912 km (0.087 R)
• M2: 660,774 km (0.116 R)
• M3: 1,164,021 km (0.031 R)
• M4: 1,791,435 km (0.101 R)
• M5: 2,244,866 km (0.108 R)
• M6: 2,836,076 km (0.092 R)
• M7: 3,822,824 km (0.046 R)
• M8: 4,252,768 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 8

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.96 AU - 1.04 AU

Year: 703 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 151.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,937,676 km

• M1: 99,483 km (0.071 R)
• M2: 376,687 km (0.096 R)
• M3: 1,324,240 km (0.096 R)
• M4: 1,719,179 km (0.1 R)
• M5: 2,509,654 km (0.059 R)
• M6: 2,859,264 km (0.113 R)
• M7: 3,154,720 km (0.116 R)
• M8: 3,575,988 km (0.057 R)
• M9: 4,151,191 km (0.059 R)
• M10: 4,562,735 km (0.113 R)
• M11: 5,538,861 km (0.1 R)
• M12: 5,849,726 km (0.074 R)
• M13: 6,133,812 km (0.067 R)
• M14: 6,750,006 km (0.081 R)
• M15: 7,211,814 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 12.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.02 AU - 1.22 AU

Year: 833 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,937,676 km

• M1: 159,172 km (0.101 R)
• M2: 680,970 km (0.114 R)
• M3: 1,087,726 km (0.114 R)
• M4: 1,492,089 km (0.043 R)
• M5: 1,946,268 km (0.076 R)
• M6: 2,753,947 km (0.079 R)
• M7: 3,267,666 km (0.056 R)
• M8: 4,017,900 km (0.112 R)
• M9: 5,170,402 km (0.08 R)
• M10: 5,711,348 km (0.085 R)
• M11: 7,143,747 km (0.11 R)
• M12: 7,564,865 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 11.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.06 AU - 1.62 AU

Year: 1090 Days

Day: 9.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,937,676 km

• M1: 139,276 km (0.118 R)
• M2: 513,719 km (0.064 R)
• M3: 1,122,732 km (0.026 R)
• M4: 1,481,617 km (0.111 R)
• M5: 1,974,243 km (0.086 R)
• M6: 2,655,213 km (0.111 R)
• M7: 3,213,811 km (0.119 R)
• M8: 3,986,334 km (0.099 R)
• M9: 4,384,115 km (0.117 R)
• M10: 5,112,208 km (0.09 R)
• M11: 5,524,949 km (0.114 R)
• M12: 6,102,845 km (0.097 R)
• M13: 6,589,637 km (0.078 R)
• M14: 7,356,625 km (0.075 R)
• M15: 7,859,423 km (0.114 R)
• M16: 8,880,728 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 9.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.2 AU - 1.98 AU

Year: 1409 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,937,676 km

• M1: 114,442 km (0.102 R)
• M2: 489,634 km (0.112 R)
• M3: 919,279 km (0.098 R)
• M4: 1,456,934 km (0.072 R)
• M5: 2,053,380 km (0.116 R)
• M6: 2,804,511 km (0.093 R)
• M7: 3,776,000 km (0.04 R)
• M8: 4,544,783 km (0.12 R)
• M9: 5,212,139 km (0.107 R)
• M10: 5,685,317 km (0.079 R)
• M11: 6,254,388 km (0.112 R)
• M12: 7,129,087 km (0.12 R)
• M13: 7,660,757 km (0.102 R)
• M14: 8,083,222 km (0.072 R)
• M15: 8,774,663 km (0.099 R)
• M16: 10,086,487 km (0.115 R)
• M17: 11,086,249 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 11.1

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.64 AU - 3.84 AU

Year: 5084 Days

Day: 10.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,937,676 km

• M1: 138,677 km (0.04 R)
• M2: 672,592 km (0.06 R)
• M3: 1,032,525 km (0.098 R)
• M4: 1,513,930 km (0.041 R)
• M5: 1,892,114 km (0.067 R)
• M6: 2,571,288 km (0.068 R)
• M7: 4,090,305 km (0.045 R)
• M8: 5,284,844 km (0.109 R)
• M9: 6,904,839 km (0.055 R)
• M10: 7,402,252 km (0.106 R)
• M11: 7,772,208 km (0.114 R)
• M12: 8,232,520 km (0.074 R)
• M13: 12,184,298 km (0.106 R)
• M14: 12,912,091 km (0.092 R)
• M15: 16,488,229 km (0.115 R)
• M16: 18,979,332 km (0.081 R)
• M17: 20,099,820 km (0.092 R)
• M18: 21,263,692 km (0.056 R)
• M19: 21,862,233 km (0.113 R)
• M20: 22,858,854 km (0.045 R)
• M21: 24,614,086 km (0.062 R)
• M22: 32,834,489 km (0.09 R)
• M23: 33,836,346 km (0.058 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: 383 - 16,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit