🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 12.4

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,424,432 km

• M1: 154,834 km (0.101 R)
• M2: 773,571 km (0.117 R)
• M3: 1,251,835 km (0.063 R)
• M4: 1,744,461 km (0.086 R)
• M5: 2,296,028 km (0.071 R)
• M6: 2,951,716 km (0.117 R)
• M7: 3,341,568 km (0.114 R)
• M8: 4,004,436 km (0.063 R)
• M9: 4,753,472 km (0.039 R)
• M10: 5,261,806 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 10.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.18 AU - 1.56 AU

Year: 1088 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,424,432 km

• M1: 133,142 km (0.109 R)
• M2: 668,403 km (0.113 R)
• M3: 1,281,904 km (0.082 R)
• M4: 1,794,576 km (0.088 R)
• M5: 2,178,145 km (0.117 R)
• M6: 2,810,046 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 10.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.31 AU - 1.75 AU

Year: 1284 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,424,432 km

• M1: 133,890 km (0.081 R)
• M2: 496,964 km (0.082 R)
• M3: 979,567 km (0.102 R)
• M4: 1,371,214 km (0.091 R)
• M5: 1,842,597 km (0.07 R)
• M6: 2,588,642 km (0.043 R)
• M7: 3,911,835 km (0.103 R)
• M8: 4,265,783 km (0.068 R)
• M9: 4,837,247 km (0.111 R)
• M10: 5,176,386 km (0.088 R)
• M11: 6,737,140 km (0.109 R)
• M12: 7,248,316 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.9

Radius: 10.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.76 AU - 2.28 AU

Year: 1947 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,424,432 km

• M1: 135,685 km (0.117 R)
• M2: 522,845 km (0.08 R)
• M3: 901,477 km (0.084 R)
• M4: 1,240,765 km (0.1 R)
• M5: 1,608,177 km (0.12 R)
• M6: 2,690,069 km (0.105 R)
• M7: 4,809,572 km (0.103 R)
• M8: 5,181,771 km (0.085 R)
• M9: 8,702,407 km (0.098 R)
• M10: 9,747,348 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 12

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.94 AU - 2.38 AU

Year: 2153 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,424,432 km

• M1: 149,299 km (0.063 R)
• M2: 547,229 km (0.04 R)
• M3: 924,814 km (0.113 R)
• M4: 1,332,019 km (0.119 R)
• M5: 2,023,311 km (0.04 R)
• M6: 3,523,628 km (0.044 R)
• M7: 4,023,584 km (0.079 R)
• M8: 5,143,624 km (0.083 R)
• M9: 5,665,571 km (0.078 R)
• M10: 6,514,838 km (0.118 R)
• M11: 7,041,123 km (0.078 R)
• M12: 8,147,848 km (0.03 R)
• M13: 9,263,998 km (0.103 R)
• M14: 10,442,231 km (0.1 R)
• M15: 12,042,180 km (0.09 R)
• M16: 12,497,855 km (0.113 R)
• M17: 14,070,727 km (0.037 R)
• M18: 14,857,612 km (0.05 R)
• M19: 16,068,008 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 14.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.97 AU - 4.05 AU

Year: 4460 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,424,432 km

• M1: 180,265 km (0.043 R)
• M2: 760,406 km (0.097 R)
• M3: 1,365,081 km (0.12 R)
• M4: 1,994,289 km (0.119 R)
• M5: 2,796,882 km (0.074 R)
• M6: 3,518,841 km (0.074 R)
• M7: 4,000,995 km (0.036 R)
• M8: 4,746,142 km (0.114 R)
• M9: 10,107,431 km (0.092 R)
• M10: 11,402,649 km (0.086 R)
• M11: 11,904,400 km (0.099 R)
• M12: 13,348,169 km (0.116 R)
• M13: 14,060,853 km (0.11 R)
• M14: 16,066,662 km (0.101 R)
• M15: 16,524,282 km (0.083 R)
• M16: 23,369,282 km (0.077 R)
• M17: 24,405,247 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.1

Radius: 11.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.55 AU - 6.23 AU

Year: 8487 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,424,432 km

• M1: 140,472 km (0.096 R)
• M2: 504,294 km (0.027 R)
• M3: 939,774 km (0.056 R)
• M4: 1,322,146 km (0.085 R)
• M5: 1,781,860 km (0.083 R)
• M6: 2,635,914 km (0.111 R)
• M7: 3,220,543 km (0.074 R)
• M8: 4,014,309 km (0.052 R)
• M9: 4,539,547 km (0.117 R)
• M10: 5,290,529 km (0.113 R)
• M11: 5,890,267 km (0.095 R)
• M12: 6,395,309 km (0.078 R)
• M13: 8,005,281 km (0.108 R)
• M14: 9,101,086 km (0.094 R)
• M15: 13,158,180 km (0.067 R)
• M16: 13,847,228 km (0.106 R)
• M17: 18,215,037 km (0.084 R)
• M18: 24,095,879 km (0.11 R)
• M19: 35,662,188 km (0.118 R)
• M20: 36,775,645 km (0.115 R)
• M21: 38,373,350 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 17,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit