🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.8

Radius: 9.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.54 AU - 0.54 AU

Year: 274 Days

Day: 6.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,412,731 km

• M1: 119,379 km (0.076 R)
• M2: 526,435 km (0.089 R)
• M3: 1,027,737 km (0.076 R)
• M4: 1,417,889 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 8.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,412,731 km

• M1: 103,821 km (0.112 R)
• M2: 593,754 km (0.102 R)
• M3: 930,798 km (0.09 R)
• M4: 1,527,544 km (0.047 R)
• M5: 1,965,267 km (0.1 R)
• M6: 2,508,906 km (0.087 R)
• M7: 3,452,270 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 10.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.92 AU - 0.92 AU

Year: 609 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,412,731 km

• M1: 128,205 km (0.113 R)
• M2: 449,691 km (0.108 R)
• M3: 881,879 km (0.042 R)
• M4: 1,238,670 km (0.063 R)
• M5: 2,065,049 km (0.099 R)
• M6: 2,445,177 km (0.055 R)
• M7: 3,291,452 km (0.053 R)
• M8: 3,690,280 km (0.071 R)
• M9: 4,029,867 km (0.105 R)
• M10: 5,039,653 km (0.053 R)
• M11: 5,363,832 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 12

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.21 AU - 1.41 AU

Year: 1035 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,412,731 km

• M1: 150,196 km (0.073 R)
• M2: 542,591 km (0.116 R)
• M3: 947,403 km (0.054 R)
• M4: 1,767,648 km (0.096 R)
• M5: 2,232,449 km (0.084 R)
• M6: 2,715,052 km (0.08 R)
• M7: 3,195,859 km (0.089 R)
• M8: 3,686,241 km (0.064 R)
• M9: 4,192,331 km (0.034 R)
• M10: 4,763,196 km (0.115 R)
• M11: 5,446,410 km (0.063 R)
• M12: 6,083,098 km (0.094 R)
• M13: 6,511,696 km (0.049 R)
• M14: 7,033,045 km (0.05 R)
• M15: 8,159,816 km (0.045 R)
• M16: 8,823,133 km (0.058 R)
• M17: 9,226,598 km (0.103 R)
• M18: 10,320,757 km (0.076 R)
• M19: 10,932,164 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 13.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.32 AU - 1.72 AU

Year: 1294 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,412,731 km

• M1: 170,691 km (0.059 R)
• M2: 624,422 km (0.058 R)
• M3: 1,087,277 km (0.07 R)
• M4: 2,104,842 km (0.101 R)
• M5: 2,879,161 km (0.105 R)
• M6: 3,587,207 km (0.025 R)
• M7: 4,855,199 km (0.1 R)
• M8: 5,461,070 km (0.064 R)
• M9: 7,291,550 km (0.067 R)
• M10: 7,946,788 km (0.086 R)
• M11: 8,493,120 km (0.117 R)
• M12: 9,597,302 km (0.094 R)
• M13: 11,538,633 km (0.085 R)
• M14: 12,544,529 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 14.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.32 AU - 2.86 AU

Year: 2877 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,412,731 km

• M1: 198,816 km (0.116 R)
• M2: 785,538 km (0.111 R)
• M3: 2,460,735 km (0.102 R)
• M4: 3,410,083 km (0.098 R)
• M5: 4,571,711 km (0.113 R)
• M6: 5,211,242 km (0.078 R)
• M7: 5,765,352 km (0.092 R)
• M8: 7,325,359 km (0.11 R)
• M9: 8,295,501 km (0.069 R)
• M10: 9,584,586 km (0.083 R)
• M11: 11,040,772 km (0.111 R)
• M12: 12,844,922 km (0.062 R)
• M13: 13,991,739 km (0.08 R)
• M14: 15,067,348 km (0.089 R)
• M15: 16,197,410 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220

Radius: 3.5

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.26 AU - 10.08 AU

Year: 20756 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,412,731 km

• M1: 47,722 km (0.113 R)
• M2: 160,818 km (0.096 R)
• M3: 643,420 km (0.085 R)
• M4: 857,495 km (0.048 R)
• M5: 1,003,353 km (0.1 R)
• M6: 2,533,590 km (0.075 R)
• M7: 2,925,985 km (0.091 R)
• M8: 3,282,925 km (0.118 R)
• M9: 4,620,779 km (0.114 R)
• M10: 5,103,980 km (0.119 R)
• M11: 6,634,965 km (0.06 R)
• M12: 8,215,915 km (0.077 R)
• M13: 8,682,810 km (0.053 R)
• M14: 8,971,384 km (0.112 R)
• M15: 11,861,914 km (0.094 R)
• M16: 13,773,326 km (0.109 R)
• M17: 15,456,751 km (0.071 R)
• M18: 15,597,074 km (0.09 R)
• M19: 15,809,204 km (0.057 R)
• M20: 15,951,621 km (0.099 R)
• M21: 22,558,611 km (0.058 R)
• M22: 29,362,023 km (0.12 R)
• M23: 42,557,303 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 13,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit