🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 9.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 10.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,908,014 km

• M1: 113,096 km (0.109 R)
• M2: 430,991 km (0.119 R)
• M3: 822,788 km (0.09 R)
• M4: 1,151,904 km (0.052 R)
• M5: 1,696,440 km (0.05 R)
• M6: 3,129,737 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.3

Radius: 11.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.49 AU - 0.75 AU

Year: 337 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,908,014 km

• M1: 148,401 km (0.108 R)
• M2: 528,679 km (0.12 R)
• M3: 977,323 km (0.093 R)
• M4: 1,494,034 km (0.115 R)
• M5: 1,936,395 km (0.027 R)
• M6: 2,432,611 km (0.119 R)
• M7: 2,840,864 km (0.077 R)
• M8: 3,529,313 km (0.109 R)
• M9: 4,019,994 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 12.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 21,908,014 km

• M1: 156,479 km (0.114 R)
• M2: 646,113 km (0.104 R)
• M3: 1,186,760 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 14

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.14 AU - 1.3 AU

Year: 930 Days

Day: 9.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,908,014 km

• M1: 174,132 km (0.11 R)
• M2: 776,263 km (0.075 R)
• M3: 1,247,048 km (0.1 R)
• M4: 2,017,626 km (0.088 R)
• M5: 2,637,410 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.9

Radius: 10.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.52 AU - 2.82 AU

Year: 3011 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,908,014 km

• M1: 127,009 km (0.025 R)
• M2: 497,263 km (0.062 R)
• M3: 845,826 km (0.089 R)
• M4: 1,185,713 km (0.081 R)
• M5: 2,120,849 km (0.05 R)
• M6: 3,921,409 km (0.027 R)
• M7: 6,468,462 km (0.083 R)
• M8: 7,016,140 km (0.102 R)
• M9: 7,880,965 km (0.074 R)
• M10: 8,264,235 km (0.096 R)
• M11: 9,687,958 km (0.104 R)
• M12: 10,093,817 km (0.082 R)
• M13: 10,759,528 km (0.107 R)
• M14: 12,023,779 km (0.086 R)
• M15: 12,572,205 km (0.095 R)
• M16: 14,978,936 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.7

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.64 AU - 3.14 AU

Year: 3391 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,908,014 km

• M1: 169,943 km (0.11 R)
• M2: 790,774 km (0.104 R)
• M3: 2,148,973 km (0.075 R)
• M4: 2,602,405 km (0.06 R)
• M5: 3,085,755 km (0.087 R)
• M6: 3,534,399 km (0.087 R)
• M7: 4,088,959 km (0.051 R)
• M8: 4,587,568 km (0.108 R)
• M9: 5,501,013 km (0.043 R)
• M10: 6,333,226 km (0.097 R)
• M11: 6,973,505 km (0.054 R)
• M12: 7,753,358 km (0.119 R)
• M13: 9,487,048 km (0.1 R)
• M14: 10,287,546 km (0.059 R)
• M15: 10,724,671 km (0.078 R)
• M16: 11,980,097 km (0.11 R)
• M17: 12,643,563 km (0.1 R)
• M18: 13,425,063 km (0.09 R)
• M19: 15,288,304 km (0.118 R)
• M20: 16,282,083 km (0.074 R)
• M21: 17,995,427 km (0.081 R)
• M22: 19,282,268 km (0.102 R)
• M23: 20,256,000 km (0.082 R)
• M24: 21,198,467 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 12,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit