🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 9.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.66 AU - 1.04 AU

Year: 523 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,546,838 km

• M1: 113,246 km (0.118 R)
• M2: 481,855 km (0.119 R)
• M3: 883,675 km (0.106 R)
• M4: 1,226,852 km (0.115 R)
• M5: 1,688,810 km (0.04 R)
• M6: 2,165,130 km (0.091 R)
• M7: 3,709,728 km (0.115 R)
• M8: 4,038,993 km (0.102 R)
• M9: 4,925,061 km (0.098 R)
• M10: 5,258,365 km (0.065 R)
• M11: 5,606,779 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 13.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.47 AU - 3.31 AU

Year: 3276 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,546,838 km

• M1: 162,912 km (0.089 R)
• M2: 720,613 km (0.094 R)
• M3: 1,409,362 km (0.099 R)
• M4: 3,590,349 km (0.073 R)
• M5: 4,185,000 km (0.117 R)
• M6: 4,602,827 km (0.09 R)
• M7: 5,474,833 km (0.075 R)
• M8: 6,758,383 km (0.087 R)
• M9: 7,366,349 km (0.054 R)
• M10: 7,979,102 km (0.116 R)
• M11: 8,559,392 km (0.09 R)
• M12: 10,700,137 km (0.067 R)
• M13: 11,771,557 km (0.12 R)
• M14: 12,739,605 km (0.081 R)
• M15: 14,548,842 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 13.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.48 AU - 3.78 AU

Year: 4612 Days

Day: 5.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,546,838 km

• M1: 165,754 km (0.09 R)
• M2: 658,530 km (0.109 R)
• M3: 1,105,229 km (0.116 R)
• M4: 1,525,001 km (0.091 R)
• M5: 2,592,980 km (0.1 R)
• M6: 3,510,464 km (0.092 R)
• M7: 4,563,483 km (0.105 R)
• M8: 5,358,446 km (0.085 R)
• M9: 6,721,881 km (0.062 R)
• M10: 7,617,673 km (0.106 R)
• M11: 8,129,447 km (0.088 R)
• M12: 9,452,192 km (0.058 R)
• M13: 10,328,536 km (0.053 R)
• M14: 13,187,501 km (0.112 R)
• M15: 17,810,225 km (0.115 R)
• M16: 20,095,482 km (0.081 R)
• M17: 21,814,212 km (0.082 R)
• M18: 22,709,555 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 11.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.24 AU - 4.66 AU

Year: 5235 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,546,838 km

• M1: 142,417 km (0.112 R)
• M2: 506,239 km (0.066 R)
• M3: 950,994 km (0.106 R)
• M4: 1,503,010 km (0.077 R)
• M5: 1,892,712 km (0.11 R)
• M6: 2,813,188 km (0.076 R)
• M7: 3,551,603 km (0.071 R)
• M8: 3,967,036 km (0.119 R)
• M9: 5,124,325 km (0.053 R)
• M10: 5,656,744 km (0.095 R)
• M11: 7,851,345 km (0.082 R)
• M12: 9,506,197 km (0.112 R)
• M13: 10,988,712 km (0.115 R)
• M14: 11,382,304 km (0.116 R)
• M15: 13,493,578 km (0.109 R)
• M16: 13,894,650 km (0.101 R)
• M17: 14,879,154 km (0.09 R)
• M18: 15,743,680 km (0.112 R)
• M19: 17,572,963 km (0.027 R)
• M20: 20,444,943 km (0.105 R)
• M21: 22,269,139 km (0.055 R)
• M22: 24,273,152 km (0.09 R)
• M23: 25,092,350 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit