🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 9.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.5 AU - 0.66 AU

Year: 300 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,904,461 km

• M1: 141,968 km (0.074 R)
• M2: 452,534 km (0.034 R)
• M3: 751,430 km (0.081 R)
• M4: 1,274,275 km (0.095 R)
• M5: 1,668,016 km (0.116 R)
• M6: 2,593,429 km (0.07 R)
• M7: 3,403,501 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 13.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 5.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,904,461 km

• M1: 170,392 km (0.056 R)
• M2: 623,823 km (0.088 R)
• M3: 1,116,748 km (0.088 R)
• M4: 2,196,695 km (0.103 R)
• M5: 2,829,494 km (0.054 R)
• M6: 3,263,926 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 8.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.91 AU

Year: 423 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 132.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 20,904,461 km

• M1: 108,458 km (0.083 R)
• M2: 388,655 km (0.078 R)
• M3: 880,683 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 8.9

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.71 AU - 0.83 AU

Year: 458 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,904,461 km

• M1: 110,702 km (0.09 R)
• M2: 410,347 km (0.078 R)
• M3: 734,675 km (0.068 R)
• M4: 1,072,018 km (0.045 R)
• M5: 1,454,390 km (0.078 R)
• M6: 1,887,476 km (0.069 R)
• M7: 2,423,336 km (0.098 R)
• M8: 2,722,532 km (0.073 R)
• M9: 3,623,709 km (0.037 R)
• M10: 3,951,628 km (0.11 R)
• M11: 4,382,619 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 10.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.35 AU - 2.87 AU

Year: 2860 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,904,461 km

• M1: 127,757 km (0.106 R)
• M2: 563,984 km (0.054 R)
• M3: 1,091,017 km (0.114 R)
• M4: 1,424,920 km (0.091 R)
• M5: 1,806,095 km (0.096 R)
• M6: 2,130,274 km (0.083 R)
• M7: 2,493,797 km (0.104 R)
• M8: 3,501,189 km (0.07 R)
• M9: 4,030,316 km (0.082 R)
• M10: 4,446,049 km (0.054 R)
• M11: 4,825,130 km (0.057 R)
• M12: 5,967,908 km (0.092 R)
• M13: 6,643,193 km (0.111 R)
• M14: 7,225,128 km (0.093 R)
• M15: 7,810,654 km (0.11 R)
• M16: 8,270,369 km (0.107 R)
• M17: 8,651,095 km (0.066 R)
• M18: 10,845,397 km (0.054 R)
• M19: 11,456,953 km (0.101 R)
• M20: 12,665,554 km (0.055 R)
• M21: 14,727,162 km (0.039 R)
• M22: 15,620,860 km (0.113 R)
• M23: 15,959,101 km (0.116 R)
• M24: 17,003,144 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 11.1

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.68 AU - 3.96 AU

Year: 4103 Days

Day: 14 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,904,461 km

• M1: 140,173 km (0.085 R)
• M2: 573,409 km (0.075 R)
• M3: 972,237 km (0.1 R)
• M4: 1,471,744 km (0.079 R)
• M5: 2,551,392 km (0.11 R)
• M6: 5,955,491 km (0.092 R)
• M7: 7,336,280 km (0.051 R)
• M8: 7,782,530 km (0.073 R)
• M9: 9,349,418 km (0.115 R)
• M10: 10,291,735 km (0.089 R)
• M11: 11,614,479 km (0.103 R)
• M12: 13,347,720 km (0.099 R)
• M13: 14,118,598 km (0.095 R)
• M14: 14,648,773 km (0.093 R)
• M15: 16,204,142 km (0.088 R)
• M16: 17,441,017 km (0.042 R)
• M17: 17,866,922 km (0.084 R)
• M18: 18,676,397 km (0.058 R)
• M19: 21,114,543 km (0.046 R)
• M20: 22,374,157 km (0.109 R)
• M21: 24,660,012 km (0.114 R)
• M22: 26,693,795 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 12.3

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.01 AU - 5.35 AU

Year: 6867 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,904,461 km

• M1: 154,535 km (0.084 R)
• M2: 696,677 km (0.055 R)
• M3: 1,221,167 km (0.091 R)
• M4: 1,668,615 km (0.117 R)
• M5: 2,809,598 km (0.091 R)
• M6: 3,277,540 km (0.033 R)
• M7: 4,016,254 km (0.116 R)
• M8: 4,546,279 km (0.108 R)
• M9: 5,219,320 km (0.101 R)
• M10: 6,064,847 km (0.074 R)
• M11: 6,591,881 km (0.096 R)
• M12: 7,059,374 km (0.103 R)
• M13: 7,455,359 km (0.09 R)
• M14: 8,159,517 km (0.101 R)
• M15: 13,770,783 km (0.056 R)
• M16: 20,045,067 km (0.114 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: 222 - 11,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit