🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 8.8

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.59 AU - 0.85 AU

Year: 414 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,257,482 km

• M1: 109,506 km (0.117 R)
• M2: 383,270 km (0.084 R)
• M3: 755,918 km (0.063 R)
• M4: 1,031,178 km (0.111 R)
• M5: 1,400,834 km (0.1 R)
• M6: 1,978,881 km (0.115 R)
• M7: 2,636,662 km (0.079 R)
• M8: 2,918,355 km (0.104 R)
• M9: 3,605,159 km (0.044 R)
• M10: 3,967,036 km (0.077 R)
• M11: 5,073,013 km (0.101 R)
• M12: 5,412,002 km (0.12 R)
• M13: 5,766,250 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 12.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.6 AU - 0.94 AU

Year: 458 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,257,482 km

• M1: 156,031 km (0.114 R)
• M2: 967,898 km (0.09 R)
• M3: 1,367,474 km (0.088 R)
• M4: 1,894,657 km (0.038 R)
• M5: 2,381,598 km (0.105 R)
• M6: 3,072,441 km (0.048 R)
• M7: 4,265,334 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 11.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.8 AU - 0.9 AU

Year: 532 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,257,482 km

• M1: 141,819 km (0.094 R)
• M2: 561,740 km (0.086 R)
• M3: 1,219,223 km (0.08 R)
• M4: 1,592,918 km (0.087 R)
• M5: 2,037,523 km (0.093 R)
• M6: 2,415,258 km (0.077 R)
• M7: 3,247,770 km (0.076 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.8

Radius: 7.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6 AU - 7.34 AU

Year: 11684 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,257,482 km

• M1: 98,286 km (0.119 R)
• M2: 348,413 km (0.098 R)
• M3: 983,905 km (0.103 R)
• M4: 2,345,395 km (0.112 R)
• M5: 3,583,767 km (0.039 R)
• M6: 4,968,444 km (0.105 R)
• M7: 6,088,334 km (0.089 R)
• M8: 6,336,816 km (0.096 R)
• M9: 6,678,498 km (0.061 R)
• M10: 7,587,155 km (0.075 R)
• M11: 7,842,668 km (0.104 R)
• M12: 8,994,123 km (0.093 R)
• M13: 12,403,459 km (0.108 R)
• M14: 13,258,560 km (0.102 R)
• M15: 14,836,219 km (0.078 R)
• M16: 18,705,568 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.1

Radius: 3.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.57 AU - 7.89 AU

Year: 11842 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,257,482 km

• M1: 43,533 km (0.063 R)
• M2: 417,079 km (0.066 R)
• M3: 1,024,446 km (0.104 R)
• M4: 1,645,128 km (0.111 R)
• M5: 2,516,236 km (0.099 R)
• M6: 2,906,088 km (0.032 R)
• M7: 4,155,978 km (0.085 R)
• M8: 6,395,758 km (0.115 R)
• M9: 8,352,797 km (0.105 R)
• M10: 11,823,169 km (0.059 R)
• M11: 15,590,043 km (0.12 R)
• M12: 19,441,141 km (0.058 R)
• M13: 20,676,071 km (0.08 R)

Asteroid Belt

Center: 7.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.8

Radius: 7.1

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.01 AU - 8.11 AU

Year: 14099 Days

Day: 16.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,257,482 km

• M1: 174,431 km (0.094 R)
• M2: 568,771 km (0.099 R)
• M3: 993,928 km (0.097 R)
• M4: 1,384,528 km (0.047 R)
• M5: 1,709,754 km (0.108 R)
• M6: 2,177,995 km (0.101 R)
• M7: 2,452,807 km (0.118 R)
• M8: 2,684,833 km (0.1 R)
• M9: 2,931,669 km (0.109 R)
• M10: 3,523,329 km (0.062 R)
• M11: 4,975,027 km (0.072 R)
• M12: 5,489,643 km (0.118 R)
• M13: 6,624,643 km (0.027 R)
• M14: 7,035,588 km (0.101 R)
• M15: 7,953,969 km (0.086 R)
• M16: 12,251,018 km (0.089 R)
• M17: 13,445,557 km (0.102 R)
• M18: 18,598,306 km (0.112 R)
• M19: 21,743,303 km (0.101 R)
• M20: 22,927,669 km (0.067 R)
• M21: 24,250,413 km (0.1 R)
• M22: 30,498,667 km (0.108 R)
• M23: 34,719,871 km (0.102 R)
• M24: 35,088,330 km (0.058 R)
• M25: 35,335,316 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669

Radius: 5.9

Gravity: 19.22 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.61 AU - 9.65 AU

Year: 17195 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,257,482 km

• M1: 84,672 km (0.025 R)
• M2: 533,765 km (0.113 R)
• M3: 1,371,214 km (0.075 R)
• M4: 1,806,095 km (0.093 R)
• M5: 2,392,519 km (0.087 R)
• M6: 6,538,474 km (0.07 R)
• M7: 8,854,698 km (0.092 R)
• M8: 11,792,800 km (0.088 R)
• M9: 15,023,217 km (0.09 R)
• M10: 21,797,607 km (0.091 R)
• M11: 23,965,280 km (0.026 R)
• M12: 26,056,808 km (0.03 R)
• M13: 39,911,814 km (0.072 R)
• M14: 42,094,896 km (0.08 R)
• M15: 46,222,900 km (0.066 R)
• M16: 58,902,666 km (0.028 R)
• M17: 59,460,666 km (0.083 R)
• M18: 66,232,363 km (0.063 R)
• M19: 68,053,119 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 11,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit