🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.1

Radius: 14.3

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.55 AU - 0.87 AU

Year: 386 Days

Day: 14.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 173.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,457,675 km

• M1: 177,872 km (0.106 R)
• M2: 637,287 km (0.117 R)
• M3: 1,699,432 km (0.091 R)
• M4: 2,204,624 km (0.079 R)
• M5: 2,838,769 km (0.112 R)
• M6: 3,761,638 km (0.112 R)
• M7: 4,363,022 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 11

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.61 AU - 0.95 AU

Year: 445 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,457,675 km

• M1: 136,732 km (0.106 R)
• M2: 483,201 km (0.089 R)
• M3: 879,336 km (0.095 R)
• M4: 1,383,032 km (0.089 R)
• M5: 2,040,964 km (0.029 R)
• M6: 2,529,251 km (0.114 R)
• M7: 3,348,300 km (0.072 R)
• M8: 4,522,643 km (0.117 R)
• M9: 5,116,397 km (0.083 R)
• M10: 5,988,403 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 10.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.75 AU - 0.81 AU

Year: 445 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,457,675 km

• M1: 125,662 km (0.025 R)
• M2: 454,778 km (0.103 R)
• M3: 776,862 km (0.113 R)
• M4: 1,348,774 km (0.05 R)
• M5: 1,998,628 km (0.099 R)
• M6: 2,469,562 km (0.07 R)
• M7: 2,889,632 km (0.098 R)
• M8: 3,998,302 km (0.082 R)
• M9: 4,341,181 km (0.108 R)
• M10: 4,940,320 km (0.094 R)
• M11: 5,438,032 km (0.098 R)
• M12: 5,987,206 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 12.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.09 AU - 1.17 AU

Year: 776 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,457,675 km

• M1: 246,836 km (0.093 R)
• M2: 695,481 km (0.107 R)
• M3: 1,173,296 km (0.097 R)
• M4: 1,874,461 km (0.065 R)
• M5: 2,930,772 km (0.091 R)
• M6: 3,332,143 km (0.117 R)
• M7: 4,670,595 km (0.092 R)
• M8: 5,138,388 km (0.077 R)
• M9: 6,379,302 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 13.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.93 AU - 1.53 AU

Year: 881 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,457,675 km

• M1: 169,046 km (0.118 R)
• M2: 603,627 km (0.107 R)
• M3: 1,278,015 km (0.117 R)
• M4: 2,017,178 km (0.08 R)
• M5: 2,859,563 km (0.079 R)
• M6: 3,327,505 km (0.12 R)
• M7: 4,993,577 km (0.118 R)
• M8: 5,800,957 km (0.107 R)
• M9: 7,113,528 km (0.113 R)
• M10: 8,084,419 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 9.8

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.49 AU - 1.73 AU

Year: 1319 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,457,675 km

• M1: 122,670 km (0.086 R)
• M2: 427,850 km (0.067 R)
• M3: 845,378 km (0.081 R)
• M4: 1,560,007 km (0.11 R)
• M5: 2,280,620 km (0.081 R)
• M6: 2,898,459 km (0.116 R)
• M7: 3,428,185 km (0.1 R)
• M8: 3,776,149 km (0.05 R)
• M9: 4,258,453 km (0.102 R)
• M10: 7,978,054 km (0.039 R)
• M11: 9,524,896 km (0.082 R)
• M12: 11,443,639 km (0.118 R)
• M13: 12,687,994 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 13.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.63 AU - 1.75 AU

Year: 1419 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,457,675 km

• M1: 172,935 km (0.104 R)
• M2: 918,531 km (0.083 R)
• M3: 1,506,151 km (0.116 R)
• M4: 2,096,614 km (0.081 R)
• M5: 2,961,290 km (0.104 R)
• M6: 4,052,606 km (0.113 R)
• M7: 7,171,872 km (0.08 R)
• M8: 8,459,311 km (0.108 R)
• M9: 9,068,922 km (0.083 R)
• M10: 9,522,204 km (0.102 R)
• M11: 10,474,394 km (0.038 R)
• M12: 10,973,901 km (0.095 R)
• M13: 11,770,660 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 12,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit