🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.07 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.92 AU - 2.36 AU

Year: 1407 Days

Day: 40 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,464,160 km

• M1: 29,920 km (0.087 R)
• M2: 689,796 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 9

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.53 AU - 3.21 AU

Year: 2186 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,464,160 km

• M1: 112,198 km (0.039 R)
• M2: 430,393 km (0.097 R)
• M3: 892,501 km (0.12 R)
• M4: 1,708,707 km (0.113 R)
• M5: 2,450,862 km (0.109 R)
• M6: 2,972,061 km (0.119 R)
• M7: 3,325,860 km (0.052 R)
• M8: 3,780,189 km (0.088 R)
• M9: 4,138,027 km (0.061 R)
• M10: 5,777,021 km (0.099 R)
• M11: 6,150,716 km (0.107 R)
• M12: 6,728,015 km (0.108 R)
• M13: 7,141,952 km (0.029 R)
• M14: 8,454,972 km (0.087 R)
• M15: 8,970,337 km (0.083 R)
• M16: 9,302,893 km (0.036 R)
• M17: 11,946,138 km (0.114 R)
• M18: 13,267,686 km (0.111 R)
• M19: 13,831,370 km (0.049 R)
• M20: 14,683,929 km (0.082 R)
• M21: 16,543,131 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 9.2

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.66 AU - 3.32 AU

Year: 2324 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,464,160 km

• M1: 114,442 km (0.119 R)
• M2: 462,856 km (0.066 R)
• M3: 1,047,634 km (0.11 R)
• M4: 1,349,223 km (0.089 R)
• M5: 1,677,142 km (0.113 R)
• M6: 2,134,014 km (0.084 R)
• M7: 2,583,854 km (0.109 R)
• M8: 3,711,673 km (0.057 R)
• M9: 4,119,028 km (0.109 R)
• M10: 4,954,681 km (0.095 R)
• M11: 5,449,402 km (0.117 R)
• M12: 6,400,844 km (0.12 R)
• M13: 6,902,147 km (0.07 R)
• M14: 8,077,986 km (0.114 R)
• M15: 8,797,552 km (0.11 R)
• M16: 9,774,426 km (0.042 R)
• M17: 11,983,837 km (0.076 R)
• M18: 13,271,426 km (0.08 R)
• M19: 13,811,474 km (0.064 R)
• M20: 18,505,705 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 13.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.13 AU - 3.33 AU

Year: 2610 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,464,160 km

• M1: 172,038 km (0.116 R)
• M2: 740,809 km (0.092 R)
• M3: 1,181,674 km (0.056 R)
• M4: 2,817,227 km (0.086 R)
• M5: 3,288,012 km (0.095 R)
• M6: 5,938,437 km (0.064 R)
• M7: 6,490,004 km (0.062 R)
• M8: 7,075,530 km (0.082 R)
• M9: 7,664,348 km (0.078 R)
• M10: 8,285,777 km (0.071 R)
• M11: 9,892,309 km (0.071 R)
• M12: 11,911,581 km (0.12 R)
• M13: 12,346,462 km (0.071 R)
• M14: 13,018,456 km (0.082 R)
• M15: 13,573,613 km (0.117 R)
• M16: 14,338,358 km (0.038 R)
• M17: 15,693,864 km (0.111 R)
• M18: 18,717,087 km (0.069 R)
• M19: 20,957,166 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit