🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 13.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,524,173 km

• M1: 165,455 km (0.082 R)
• M2: 592,258 km (0.116 R)
• M3: 1,088,773 km (0.083 R)
• M4: 2,205,222 km (0.107 R)
• M5: 2,663,740 km (0.105 R)
• M6: 3,260,186 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 11.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,524,173 km

• M1: 158,275 km (0.074 R)
• M2: 683,064 km (0.063 R)
• M3: 1,549,535 km (0.068 R)
• M4: 2,020,618 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 8.5

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.59 AU - 0.87 AU

Year: 416 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,524,173 km

• M1: 105,766 km (0.096 R)
• M2: 419,323 km (0.089 R)
• M3: 697,126 km (0.073 R)
• M4: 1,082,490 km (0.113 R)
• M5: 1,436,888 km (0.101 R)
• M6: 2,080,607 km (0.116 R)
• M7: 2,374,268 km (0.045 R)
• M8: 2,979,840 km (0.11 R)
• M9: 3,697,461 km (0.077 R)
• M10: 4,117,532 km (0.084 R)
• M11: 4,396,083 km (0.026 R)
• M12: 4,944,658 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 14.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.64 AU - 4.14 AU

Year: 4162 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,524,173 km

• M1: 175,329 km (0.066 R)
• M2: 743,202 km (0.092 R)
• M3: 1,275,920 km (0.081 R)
• M4: 2,590,287 km (0.094 R)
• M5: 3,755,804 km (0.099 R)
• M6: 4,875,095 km (0.115 R)
• M7: 6,532,490 km (0.062 R)
• M8: 8,842,730 km (0.091 R)
• M9: 11,128,586 km (0.077 R)
• M10: 12,842,080 km (0.099 R)
• M11: 15,508,063 km (0.107 R)
• M12: 16,681,808 km (0.081 R)
• M13: 18,356,556 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.2

Radius: 8.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.66 AU - 4.6 AU

Year: 5597 Days

Day: 11 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,524,173 km

• M1: 104,270 km (0.097 R)
• M2: 463,604 km (0.072 R)
• M3: 924,664 km (0.11 R)
• M4: 1,218,624 km (0.113 R)
• M5: 2,001,320 km (0.104 R)
• M6: 2,617,813 km (0.025 R)
• M7: 3,605,309 km (0.05 R)
• M8: 4,063,228 km (0.115 R)
• M9: 4,495,266 km (0.095 R)
• M10: 5,330,771 km (0.095 R)
• M11: 5,772,982 km (0.09 R)
• M12: 6,564,355 km (0.112 R)
• M13: 10,883,993 km (0.116 R)
• M14: 11,881,512 km (0.09 R)
• M15: 12,297,244 km (0.112 R)
• M16: 13,069,917 km (0.067 R)
• M17: 13,334,406 km (0.102 R)
• M18: 14,950,063 km (0.044 R)
• M19: 15,582,114 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 11.9

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.78 AU - 6.6 AU

Year: 9051 Days

Day: 9.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 86.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,524,173 km

• M1: 148,999 km (0.049 R)
• M2: 660,475 km (0.114 R)
• M3: 1,206,956 km (0.098 R)
• M4: 1,580,801 km (0.077 R)
• M5: 2,074,025 km (0.052 R)
• M6: 3,318,530 km (0.061 R)
• M7: 4,383,966 km (0.096 R)
• M8: 4,810,320 km (0.1 R)
• M9: 6,347,737 km (0.103 R)
• M10: 7,912,381 km (0.038 R)
• M11: 8,583,627 km (0.105 R)
• M12: 10,202,276 km (0.085 R)
• M13: 11,433,017 km (0.114 R)
• M14: 11,879,567 km (0.085 R)
• M15: 12,618,431 km (0.079 R)
• M16: 13,192,438 km (0.094 R)
• M17: 14,085,986 km (0.079 R)
• M18: 18,068,132 km (0.084 R)
• M19: 19,295,133 km (0.056 R)
• M20: 21,305,729 km (0.102 R)
• M21: 21,846,525 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.8

Radius: 7.2

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.5 AU - 7.38 AU

Year: 12192 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,524,173 km

• M1: 89,609 km (0.096 R)
• M2: 376,687 km (0.031 R)
• M3: 763,996 km (0.084 R)
• M4: 1,265,448 km (0.1 R)
• M5: 1,780,364 km (0.113 R)
• M6: 3,636,425 km (0.106 R)
• M7: 5,273,624 km (0.091 R)
• M8: 6,117,805 km (0.074 R)
• M9: 7,615,130 km (0.063 R)
• M10: 8,164,603 km (0.118 R)
• M11: 8,593,650 km (0.104 R)
• M12: 8,987,541 km (0.098 R)
• M13: 9,290,925 km (0.087 R)
• M14: 9,548,832 km (0.117 R)
• M15: 9,864,783 km (0.085 R)
• M16: 11,668,634 km (0.062 R)
• M17: 12,090,799 km (0.115 R)
• M18: 14,910,719 km (0.103 R)
• M19: 15,624,301 km (0.075 R)
• M20: 16,435,271 km (0.09 R)
• M21: 16,813,005 km (0.113 R)
• M22: 17,119,382 km (0.104 R)
• M23: 20,478,153 km (0.054 R)
• M24: 22,728,255 km (0.118 R)
• M25: 24,057,881 km (0.107 R)
• M26: 26,250,537 km (0.054 R)
• M27: 29,450,585 km (0.102 R)
• M28: 33,381,119 km (0.114 R)
• M29: 39,505,207 km (0.104 R)
• M30: 41,145,398 km (0.099 R)
• M31: 45,000,984 km (0.089 R)
• M32: 48,934,810 km (0.063 R)
• M33: 50,507,084 km (0.116 R)
• M34: 52,600,706 km (0.116 R)
• M35: 58,524,183 km (0.066 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 10,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit