🌌 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: 919.6

Radius: 12.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 11.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,012,715 km

• M1: 156,629 km (0.097 R)
• M2: 552,315 km (0.109 R)
• M3: 1,106,575 km (0.118 R)
• M4: 1,671,158 km (0.09 R)
• M5: 2,267,754 km (0.073 R)
• M6: 2,811,094 km (0.095 R)
• M7: 3,562,224 km (0.034 R)
• M8: 4,530,123 km (0.076 R)
• M9: 5,251,783 km (0.063 R)
• M10: 5,648,965 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 9.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.74 AU - 0.76 AU

Year: 441 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 114.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,012,715 km

• M1: 123,269 km (0.079 R)
• M2: 630,705 km (0.087 R)
• M3: 1,354,758 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 10.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.33 AU - 1.49 AU

Year: 1136 Days

Day: 14.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,012,715 km

• M1: 128,205 km (0.057 R)
• M2: 485,445 km (0.113 R)
• M3: 988,393 km (0.065 R)
• M4: 1,345,034 km (0.06 R)
• M5: 1,998,179 km (0.079 R)
• M6: 2,339,262 km (0.079 R)
• M7: 2,999,886 km (0.091 R)
• M8: 3,409,036 km (0.066 R)
• M9: 3,855,137 km (0.09 R)
• M10: 4,708,593 km (0.093 R)
• M11: 5,722,418 km (0.066 R)
• M12: 6,655,310 km (0.057 R)
• M13: 8,405,605 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 12.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.36 AU - 1.86 AU

Year: 1386 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,012,715 km

• M1: 160,519 km (0.09 R)
• M2: 819,198 km (0.074 R)
• M3: 1,260,512 km (0.119 R)
• M4: 2,012,540 km (0.115 R)
• M5: 2,486,466 km (0.097 R)
• M6: 3,169,081 km (0.104 R)
• M7: 3,650,188 km (0.116 R)
• M8: 4,240,202 km (0.088 R)
• M9: 5,131,357 km (0.105 R)
• M10: 5,798,563 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 14

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.97 AU - 4.13 AU

Year: 4537 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,012,715 km

• M1: 174,132 km (0.12 R)
• M2: 801,695 km (0.048 R)
• M3: 1,719,478 km (0.091 R)
• M4: 2,844,604 km (0.079 R)
• M5: 3,423,248 km (0.119 R)
• M6: 4,103,470 km (0.117 R)
• M7: 5,706,261 km (0.111 R)
• M8: 7,133,425 km (0.117 R)
• M9: 7,803,025 km (0.099 R)
• M10: 8,437,470 km (0.12 R)
• M11: 8,985,596 km (0.074 R)
• M12: 9,809,880 km (0.093 R)
• M13: 11,233,005 km (0.097 R)
• M14: 12,043,077 km (0.081 R)
• M15: 13,779,909 km (0.064 R)
• M16: 16,812,407 km (0.113 R)
• M17: 17,809,178 km (0.116 R)
• M18: 19,043,659 km (0.118 R)
• M19: 20,543,378 km (0.079 R)
• M20: 23,854,577 km (0.062 R)
• M21: 28,802,078 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.2

Radius: 5.2

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.67 AU - 8.47 AU

Year: 12750 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,012,715 km

• M1: 67,319 km (0.063 R)
• M2: 255,064 km (0.099 R)
• M3: 426,952 km (0.027 R)
• M4: 679,773 km (0.094 R)
• M5: 3,251,360 km (0.063 R)
• M6: 5,047,432 km (0.076 R)
• M7: 10,040,111 km (0.079 R)
• M8: 10,589,435 km (0.107 R)
• M9: 11,264,420 km (0.115 R)
• M10: 12,133,883 km (0.119 R)
• M11: 14,066,987 km (0.109 R)
• M12: 16,951,234 km (0.108 R)
• M13: 24,031,252 km (0.113 R)
• M14: 24,207,628 km (0.078 R)
• M15: 24,473,912 km (0.056 R)
• M16: 29,104,565 km (0.112 R)
• M17: 31,466,267 km (0.091 R)
• M18: 36,450,868 km (0.099 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: 521 - 10,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit