🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 14.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 6,696,827 km

• M1: 177,872 km (0.08 R)
• M2: 726,148 km (0.11 R)
• M3: 1,285,644 km (0.106 R)
• M4: 1,730,847 km (0.096 R)
• M5: 2,250,251 km (0.069 R)
• M6: 2,737,043 km (0.109 R)
• M7: 3,233,558 km (0.059 R)
• M8: 3,847,358 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 8.5

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.97 AU - 0.99 AU

Year: 658 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 6,696,827 km

• M1: 110,104 km (0.035 R)
• M2: 401,670 km (0.073 R)
• M3: 708,047 km (0.098 R)
• M4: 988,842 km (0.03 R)
• M5: 1,352,215 km (0.104 R)
• M6: 2,284,659 km (0.055 R)
• M7: 2,726,870 km (0.111 R)
• M8: 3,021,129 km (0.097 R)
• M9: 3,324,214 km (0.102 R)
• M10: 3,620,867 km (0.043 R)
• M11: 6,164,629 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 11.9

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.8 AU - 1.24 AU

Year: 699 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 6,696,827 km

• M1: 147,952 km (0.11 R)
• M2: 529,876 km (0.095 R)
• M3: 972,685 km (0.057 R)
• M4: 1,735,634 km (0.111 R)
• M5: 2,389,826 km (0.062 R)
• M6: 2,974,604 km (0.11 R)
• M7: 3,653,030 km (0.062 R)
• M8: 4,052,457 km (0.078 R)
• M9: 5,082,288 km (0.09 R)
• M10: 5,658,988 km (0.057 R)
• M11: 6,320,360 km (0.067 R)
• M12: 6,943,735 km (0.089 R)
• M13: 8,163,705 km (0.112 R)
• M14: 8,798,898 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 12.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1 AU - 1.5 AU

Year: 948 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 6,696,827 km

• M1: 155,432 km (0.032 R)
• M2: 596,297 km (0.079 R)
• M3: 996,471 km (0.055 R)
• M4: 1,392,906 km (0.074 R)
• M5: 1,789,041 km (0.036 R)
• M6: 2,325,648 km (0.12 R)
• M7: 2,930,323 km (0.085 R)
• M8: 3,877,726 km (0.066 R)
• M9: 4,406,555 km (0.115 R)
• M10: 5,629,368 km (0.098 R)
• M11: 6,056,021 km (0.071 R)
• M12: 6,592,030 km (0.101 R)
• M13: 6,997,590 km (0.067 R)
• M14: 7,419,606 km (0.1 R)
• M15: 8,709,289 km (0.075 R)
• M16: 9,677,187 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.4

Radius: 10.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.4 AU - 1.88 AU

Year: 1424 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 6,696,827 km

• M1: 134,189 km (0.109 R)
• M2: 523,144 km (0.08 R)
• M3: 1,032,225 km (0.075 R)
• M4: 1,602,343 km (0.094 R)
• M5: 2,205,970 km (0.072 R)
• M6: 2,844,155 km (0.101 R)
• M7: 3,630,441 km (0.096 R)
• M8: 4,082,825 km (0.045 R)
• M9: 4,675,083 km (0.104 R)
• M10: 5,323,889 km (0.11 R)
• M11: 5,909,565 km (0.053 R)
• M12: 6,690,466 km (0.104 R)
• M13: 7,491,263 km (0.101 R)
• M14: 8,380,174 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 9

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.5 AU - 3.14 AU

Year: 3212 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 6,696,827 km

• M1: 111,899 km (0.111 R)
• M2: 418,276 km (0.101 R)
• M3: 748,737 km (0.087 R)
• M4: 1,176,587 km (0.109 R)
• M5: 1,580,950 km (0.112 R)
• M6: 2,368,583 km (0.093 R)
• M7: 3,249,565 km (0.08 R)
• M8: 4,674,784 km (0.111 R)
• M9: 6,023,109 km (0.076 R)
• M10: 6,476,840 km (0.026 R)
• M11: 9,243,652 km (0.083 R)
• M12: 10,120,745 km (0.105 R)
• M13: 10,762,819 km (0.069 R)
• M14: 11,389,185 km (0.112 R)
• M15: 12,714,622 km (0.091 R)
• M16: 14,993,596 km (0.059 R)
• M17: 16,747,781 km (0.11 R)
• M18: 21,300,792 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 8.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.79 AU - 3.43 AU

Year: 3720 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 6,696,827 km

• M1: 108,159 km (0.118 R)
• M2: 808,726 km (0.071 R)
• M3: 2,262,369 km (0.086 R)
• M4: 3,661,258 km (0.116 R)
• M5: 3,998,901 km (0.065 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: 275 - 14,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit