🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 12.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,154,527 km

• M1: 151,692 km (0.114 R)
• M2: 549,772 km (0.099 R)
• M3: 977,622 km (0.082 R)
• M4: 1,456,186 km (0.106 R)
• M5: 2,478,538 km (0.045 R)
• M6: 2,875,271 km (0.059 R)
• M7: 3,478,599 km (0.112 R)
• M8: 4,215,518 km (0.089 R)
• M9: 4,689,444 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 8.2

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,154,527 km

• M1: 102,026 km (0.072 R)
• M2: 406,607 km (0.117 R)
• M3: 667,506 km (0.066 R)
• M4: 927,806 km (0.112 R)
• M5: 1,280,707 km (0.032 R)
• M6: 1,638,545 km (0.044 R)
• M7: 2,210,757 km (0.113 R)
• M8: 3,260,785 km (0.055 R)
• M9: 3,557,138 km (0.116 R)
• M10: 3,883,860 km (0.083 R)
• M11: 4,391,146 km (0.097 R)
• M12: 4,696,476 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 13.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.98 AU - 1.04 AU

Year: 688 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,154,527 km

• M1: 165,455 km (0.046 R)
• M2: 788,082 km (0.076 R)
• M3: 1,244,355 km (0.079 R)
• M4: 1,734,737 km (0.092 R)
• M5: 2,495,891 km (0.088 R)
• M6: 3,200,198 km (0.081 R)
• M7: 3,951,329 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 11.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.34 AU - 4.7 AU

Year: 5467 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,154,527 km

• M1: 149,747 km (0.116 R)
• M2: 740,659 km (0.113 R)
• M3: 1,138,141 km (0.112 R)
• M4: 1,752,090 km (0.119 R)
• M5: 2,164,083 km (0.11 R)
• M6: 3,133,477 km (0.11 R)
• M7: 3,829,855 km (0.034 R)
• M8: 4,965,004 km (0.113 R)
• M9: 5,530,633 km (0.099 R)
• M10: 6,283,111 km (0.111 R)
• M11: 6,729,959 km (0.104 R)
• M12: 7,687,685 km (0.077 R)
• M13: 9,676,289 km (0.087 R)
• M14: 10,937,549 km (0.101 R)
• M15: 11,807,610 km (0.037 R)
• M16: 14,184,421 km (0.117 R)
• M17: 18,685,522 km (0.09 R)
• M18: 20,183,146 km (0.106 R)
• M19: 21,894,247 km (0.117 R)
• M20: 23,274,736 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284

Radius: 3.8

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.15 AU - 7.51 AU

Year: 12107 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,154,527 km

• M1: 48,769 km (0.106 R)
• M2: 204,201 km (0.115 R)
• M3: 704,008 km (0.11 R)
• M4: 1,164,171 km (0.058 R)
• M5: 1,986,959 km (0.039 R)
• M6: 2,118,007 km (0.091 R)
• M7: 2,903,994 km (0.108 R)
• M8: 4,150,892 km (0.109 R)
• M9: 4,420,916 km (0.091 R)
• M10: 4,965,752 km (0.11 R)
• M11: 8,041,634 km (0.085 R)
• M12: 12,574,599 km (0.059 R)
• M13: 14,932,560 km (0.107 R)
• M14: 15,500,883 km (0.087 R)
• M15: 16,281,035 km (0.101 R)
• M16: 16,815,549 km (0.105 R)
• M17: 17,638,935 km (0.117 R)
• M18: 18,345,336 km (0.114 R)
• M19: 18,996,985 km (0.109 R)
• M20: 23,318,568 km (0.088 R)
• M21: 29,807,675 km (0.035 R)
• M22: 31,317,117 km (0.079 R)
• M23: 34,053,113 km (0.101 R)
• M24: 34,925,867 km (0.098 R)
• M25: 38,920,429 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 4.7

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.53 AU - 9.85 AU

Year: 15897 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,154,527 km

• M1: 58,942 km (0.118 R)
• M2: 257,308 km (0.116 R)
• M3: 1,006,644 km (0.088 R)
• M4: 1,216,231 km (0.111 R)
• M5: 2,251,298 km (0.087 R)
• M6: 3,873,837 km (0.098 R)
• M7: 6,848,441 km (0.075 R)
• M8: 7,002,826 km (0.112 R)
• M9: 7,767,869 km (0.107 R)
• M10: 11,880,165 km (0.117 R)
• M11: 14,238,127 km (0.054 R)
• M12: 15,526,464 km (0.093 R)
• M13: 19,698,599 km (0.061 R)
• M14: 24,381,162 km (0.116 R)
• M15: 27,558,022 km (0.12 R)
• M16: 27,850,935 km (0.098 R)
• M17: 33,595,343 km (0.118 R)
• M18: 36,098,265 km (0.085 R)
• M19: 41,216,457 km (0.116 R)
• M20: 43,682,728 km (0.094 R)
• M21: 45,019,385 km (0.081 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 13,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit