🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 13.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.54 AU - 0.86 AU

Year: 372 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,482,825 km

• M1: 167,849 km (0.084 R)
• M2: 802,443 km (0.117 R)
• M3: 1,301,053 km (0.118 R)
• M4: 1,745,508 km (0.087 R)
• M5: 3,105,951 km (0.075 R)
• M6: 3,569,106 km (0.109 R)
• M7: 4,383,666 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 9

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.76 AU - 1.06 AU

Year: 552 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,482,825 km

• M1: 111,899 km (0.1 R)
• M2: 499,657 km (0.077 R)
• M3: 790,924 km (0.035 R)
• M4: 1,403,078 km (0.1 R)
• M5: 1,872,666 km (0.03 R)
• M6: 2,373,071 km (0.058 R)
• M7: 2,666,283 km (0.069 R)
• M8: 3,079,023 km (0.095 R)
• M9: 3,377,621 km (0.114 R)
• M10: 3,723,042 km (0.107 R)
• M11: 4,210,282 km (0.083 R)
• M12: 4,516,360 km (0.027 R)
• M13: 4,936,580 km (0.105 R)
• M14: 5,818,160 km (0.117 R)
• M15: 6,237,932 km (0.082 R)
• M16: 7,052,792 km (0.039 R)
• M17: 7,354,231 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 8

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.06 AU - 1.14 AU

Year: 734 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,482,825 km

• M1: 99,632 km (0.118 R)
• M2: 364,271 km (0.074 R)
• M3: 691,142 km (0.092 R)
• M4: 944,711 km (0.103 R)
• M5: 1,234,631 km (0.072 R)
• M6: 1,905,129 km (0.112 R)
• M7: 2,846,997 km (0.099 R)
• M8: 3,407,092 km (0.075 R)
• M9: 3,976,611 km (0.108 R)
• M10: 4,308,867 km (0.12 R)
• M11: 5,138,088 km (0.03 R)
• M12: 5,513,579 km (0.067 R)
• M13: 5,767,297 km (0.086 R)
• M14: 6,090,279 km (0.106 R)
• M15: 6,928,625 km (0.071 R)
• M16: 7,481,390 km (0.096 R)
• M17: 8,467,688 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 11.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.21 AU - 1.29 AU

Year: 889 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,482,825 km

• M1: 142,118 km (0.093 R)
• M2: 589,565 km (0.057 R)
• M3: 1,191,098 km (0.101 R)
• M4: 1,775,428 km (0.08 R)
• M5: 2,370,528 km (0.099 R)
• M6: 2,964,880 km (0.037 R)
• M7: 3,354,732 km (0.116 R)
• M8: 3,779,141 km (0.077 R)
• M9: 4,577,246 km (0.063 R)
• M10: 5,610,070 km (0.117 R)
• M11: 6,056,769 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 14.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.91 AU - 3.07 AU

Year: 3287 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,482,825 km

• M1: 178,021 km (0.054 R)
• M2: 821,592 km (0.072 R)
• M3: 1,753,137 km (0.082 R)
• M4: 2,403,888 km (0.111 R)
• M5: 3,263,029 km (0.105 R)
• M6: 3,943,699 km (0.057 R)
• M7: 5,073,163 km (0.117 R)
• M8: 5,567,135 km (0.097 R)
• M9: 6,489,107 km (0.101 R)
• M10: 7,043,965 km (0.107 R)
• M11: 8,281,439 km (0.081 R)
• M12: 9,518,464 km (0.107 R)
• M13: 9,981,170 km (0.107 R)
• M14: 12,441,457 km (0.106 R)
• M15: 13,038,801 km (0.052 R)
• M16: 13,700,173 km (0.102 R)
• M17: 14,569,785 km (0.072 R)
• M18: 15,378,811 km (0.078 R)
• M19: 16,067,410 km (0.06 R)
• M20: 17,191,039 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 10.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.4 AU - 6.36 AU

Year: 9066 Days

Day: 8.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,482,825 km

• M1: 136,433 km (0.114 R)
• M2: 1,161,627 km (0.094 R)
• M3: 2,805,558 km (0.074 R)
• M4: 3,493,409 km (0.103 R)
• M5: 5,265,396 km (0.086 R)
• M6: 6,487,910 km (0.111 R)
• M7: 7,769,964 km (0.114 R)
• M8: 11,338,471 km (0.068 R)
• M9: 12,570,260 km (0.093 R)
• M10: 13,478,319 km (0.111 R)
• M11: 19,868,841 km (0.103 R)
• M12: 23,041,662 km (0.104 R)
• M13: 25,276,355 km (0.1 R)
• M14: 26,905,626 km (0.047 R)
• M15: 27,935,158 km (0.115 R)
• M16: 30,472,637 km (0.097 R)
• M17: 32,842,268 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.7

Radius: 3.3

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.48 AU - 12.4 AU

Year: 23007 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,482,825 km

• M1: 213,626 km (0.085 R)
• M2: 359,035 km (0.074 R)
• M3: 826,827 km (0.087 R)
• M4: 1,144,424 km (0.057 R)
• M5: 1,284,298 km (0.086 R)
• M6: 2,584,902 km (0.087 R)
• M7: 2,737,043 km (0.119 R)
• M8: 3,536,344 km (0.12 R)
• M9: 4,418,373 km (0.079 R)
• M10: 8,578,540 km (0.097 R)
• M11: 13,838,252 km (0.096 R)
• M12: 14,987,313 km (0.119 R)
• M13: 16,125,603 km (0.104 R)
• M14: 17,473,779 km (0.087 R)
• M15: 18,652,910 km (0.06 R)
• M16: 24,765,030 km (0.101 R)
• M17: 25,649,004 km (0.077 R)
• M18: 41,545,423 km (0.085 R)
• M19: 45,213,862 km (0.115 R)
• M20: 49,708,081 km (0.11 R)
• M21: 51,744,707 km (0.074 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit