🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 9.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.84 AU - 0.96 AU

Year: 551 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,866,086 km

• M1: 118,482 km (0.065 R)
• M2: 442,511 km (0.059 R)
• M3: 863,479 km (0.118 R)
• M4: 1,950,457 km (0.049 R)
• M5: 2,305,303 km (0.065 R)
• M6: 2,604,499 km (0.08 R)
• M7: 3,047,757 km (0.087 R)
• M8: 3,492,811 km (0.116 R)
• M9: 4,166,749 km (0.102 R)
• M10: 4,570,813 km (0.075 R)
• M11: 5,638,493 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.1

Radius: 10.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.08 AU - 1.26 AU

Year: 817 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,866,086 km

• M1: 137,630 km (0.096 R)
• M2: 471,084 km (0.11 R)
• M3: 1,933,552 km (0.117 R)
• M4: 2,547,203 km (0.093 R)
• M5: 3,005,421 km (0.099 R)
• M6: 3,465,883 km (0.069 R)
• M7: 4,342,976 km (0.057 R)
• M8: 6,060,958 km (0.12 R)
• M9: 6,614,171 km (0.112 R)
• M10: 7,029,604 km (0.053 R)
• M11: 7,528,962 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 14.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.25 AU - 3.15 AU

Year: 2865 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,866,086 km

• M1: 184,604 km (0.073 R)
• M2: 718,967 km (0.104 R)
• M3: 1,205,160 km (0.12 R)
• M4: 1,693,298 km (0.102 R)
• M5: 2,316,224 km (0.1 R)
• M6: 3,246,124 km (0.106 R)
• M7: 3,780,637 km (0.112 R)
• M8: 4,374,092 km (0.069 R)
• M9: 6,641,248 km (0.107 R)
• M10: 7,709,676 km (0.09 R)
• M11: 9,473,584 km (0.074 R)
• M12: 11,009,356 km (0.11 R)
• M13: 11,607,299 km (0.066 R)
• M14: 12,504,736 km (0.099 R)
• M15: 13,155,936 km (0.082 R)
• M16: 13,915,594 km (0.036 R)
• M17: 15,064,356 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 13.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.34 AU - 3.48 AU

Year: 3205 Days

Day: 11.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,866,086 km

• M1: 172,935 km (0.062 R)
• M2: 675,285 km (0.105 R)
• M3: 1,222,514 km (0.05 R)
• M4: 1,813,276 km (0.109 R)
• M5: 2,276,281 km (0.116 R)
• M6: 3,644,952 km (0.043 R)
• M7: 4,104,517 km (0.108 R)
• M8: 5,916,745 km (0.063 R)
• M9: 6,406,379 km (0.074 R)
• M10: 8,355,490 km (0.099 R)
• M11: 9,544,045 km (0.06 R)
• M12: 10,842,405 km (0.087 R)
• M13: 11,402,200 km (0.057 R)
• M14: 11,936,265 km (0.111 R)
• M15: 12,393,884 km (0.108 R)
• M16: 17,000,601 km (0.082 R)
• M17: 18,054,518 km (0.079 R)
• M18: 18,965,569 km (0.113 R)
• M19: 19,779,830 km (0.117 R)
• M20: 20,617,279 km (0.1 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: 334 - 12,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit