🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 9.7

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,607,462 km

• M1: 120,725 km (0.119 R)
• M2: 424,110 km (0.095 R)
• M3: 917,185 km (0.059 R)
• M4: 1,257,071 km (0.113 R)
• M5: 1,689,409 km (0.087 R)
• M6: 2,310,240 km (0.118 R)
• M7: 2,772,497 km (0.08 R)
• M8: 3,260,186 km (0.119 R)
• M9: 5,283,647 km (0.062 R)
• M10: 5,719,725 km (0.11 R)
• M11: 6,143,386 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.2

Radius: 10.5

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.91 AU - 0.99 AU

Year: 617 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,607,462 km

• M1: 130,599 km (0.114 R)
• M2: 1,201,720 km (0.058 R)
• M3: 1,560,904 km (0.096 R)
• M4: 2,112,472 km (0.059 R)
• M5: 2,589,090 km (0.1 R)
• M6: 3,124,202 km (0.104 R)
• M7: 3,634,480 km (0.03 R)
• M8: 3,990,374 km (0.036 R)
• M9: 4,739,560 km (0.058 R)
• M10: 5,397,042 km (0.086 R)
• M11: 6,153,708 km (0.065 R)
• M12: 7,623,358 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 12.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.35 AU - 2.03 AU

Year: 1465 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,607,462 km

• M1: 161,117 km (0.103 R)
• M2: 583,282 km (0.105 R)
• M3: 1,129,464 km (0.11 R)
• M4: 1,865,785 km (0.065 R)
• M5: 2,525,212 km (0.114 R)
• M6: 3,336,033 km (0.1 R)
• M7: 3,743,388 km (0.113 R)
• M8: 4,351,353 km (0.115 R)
• M9: 6,139,497 km (0.077 R)
• M10: 6,554,332 km (0.074 R)
• M11: 7,884,257 km (0.113 R)
• M12: 8,856,044 km (0.103 R)
• M13: 9,482,859 km (0.078 R)
• M14: 10,172,805 km (0.068 R)
• M15: 12,215,115 km (0.083 R)
• M16: 13,032,219 km (0.091 R)
• M17: 13,597,100 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94

Radius: 7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.9 AU - 10.6 AU

Year: 18760 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,607,462 km

• M1: 100,530 km (0.041 R)
• M2: 320,738 km (0.118 R)
• M3: 761,902 km (0.098 R)
• M4: 992,731 km (0.081 R)
• M5: 1,695,692 km (0.119 R)
• M6: 2,034,232 km (0.063 R)
• M7: 3,349,048 km (0.091 R)
• M8: 3,739,199 km (0.08 R)
• M9: 5,182,220 km (0.117 R)
• M10: 6,676,254 km (0.085 R)
• M11: 7,637,270 km (0.098 R)
• M12: 8,687,448 km (0.042 R)
• M13: 11,575,135 km (0.114 R)
• M14: 12,094,090 km (0.059 R)
• M15: 12,846,568 km (0.081 R)
• M16: 15,414,864 km (0.106 R)
• M17: 17,961,020 km (0.064 R)
• M18: 18,939,539 km (0.089 R)
• M19: 20,026,966 km (0.04 R)
• M20: 25,136,781 km (0.064 R)
• M21: 31,550,191 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 11,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit