🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

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: 468

Radius: 13.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.71 AU - 0.71 AU

Year: 386 Days

Day: 11 Hours

Environment

Temp: -133 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,965,965 km

• M1: 171,738 km (0.112 R)
• M2: 615,745 km (0.103 R)
• M3: 1,132,007 km (0.093 R)
• M4: 1,577,210 km (0.063 R)
• M5: 2,173,956 km (0.082 R)
• M6: 3,141,256 km (0.105 R)
• M7: 3,901,812 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 8.9

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.88 AU - 1.08 AU

Year: 626 Days

Day: 8.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,965,965 km

• M1: 111,151 km (0.11 R)
• M2: 425,307 km (0.071 R)
• M3: 815,009 km (0.118 R)
• M4: 1,516,773 km (0.079 R)
• M5: 1,915,302 km (0.118 R)
• M6: 2,493,049 km (0.101 R)
• M7: 2,790,150 km (0.048 R)
• M8: 3,087,251 km (0.12 R)
• M9: 3,456,309 km (0.094 R)
• M10: 3,799,786 km (0.114 R)
• M11: 4,358,085 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 12.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.69 AU - 3.15 AU

Year: 3222 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,965,965 km

• M1: 160,369 km (0.093 R)
• M2: 561,890 km (0.038 R)
• M3: 1,075,309 km (0.112 R)
• M4: 1,592,320 km (0.118 R)
• M5: 2,261,022 km (0.053 R)
• M6: 2,753,947 km (0.11 R)
• M7: 4,081,329 km (0.068 R)
• M8: 4,615,394 km (0.117 R)
• M9: 5,903,282 km (0.055 R)
• M10: 8,757,459 km (0.053 R)
• M11: 10,099,203 km (0.102 R)
• M12: 10,601,851 km (0.091 R)
• M13: 11,910,683 km (0.055 R)
• M14: 13,882,832 km (0.117 R)
• M15: 14,505,010 km (0.103 R)
• M16: 15,346,647 km (0.1 R)
• M17: 16,220,598 km (0.053 R)
• M18: 17,510,580 km (0.064 R)
• M19: 20,354,885 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 14.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.38 AU - 5.82 AU

Year: 8557 Days

Day: 14.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,965,965 km

• M1: 203,902 km (0.103 R)
• M2: 738,265 km (0.106 R)
• M3: 1,373,608 km (0.092 R)
• M4: 3,516,896 km (0.1 R)
• M5: 4,445,301 km (0.085 R)
• M6: 5,837,758 km (0.073 R)
• M7: 6,373,916 km (0.105 R)
• M8: 7,259,985 km (0.106 R)
• M9: 7,966,535 km (0.055 R)
• M10: 8,856,194 km (0.076 R)
• M11: 10,728,112 km (0.114 R)
• M12: 11,757,495 km (0.069 R)
• M13: 15,442,988 km (0.081 R)
• M14: 16,055,292 km (0.114 R)
• M15: 17,620,984 km (0.119 R)
• M16: 19,286,157 km (0.103 R)
• M17: 21,303,335 km (0.118 R)
• M18: 23,725,624 km (0.116 R)
• M19: 26,907,421 km (0.084 R)
• M20: 37,653,634 km (0.095 R)
• M21: 38,515,767 km (0.106 R)
• M22: 40,663,992 km (0.12 R)
• M23: 42,095,943 km (0.108 R)
• M24: 43,831,279 km (0.044 R)
• M25: 45,475,060 km (0.062 R)
• M26: 46,171,887 km (0.047 R)

Asteroid Belt

Center: 6.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.6

Radius: 7.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.44 AU - 7.24 AU

Year: 11550 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,965,965 km

• M1: 93,349 km (0.095 R)
• M2: 375,491 km (0.109 R)
• M3: 615,146 km (0.1 R)
• M4: 1,501,663 km (0.076 R)
• M5: 2,043,208 km (0.085 R)
• M6: 2,314,877 km (0.049 R)
• M7: 2,747,963 km (0.061 R)
• M8: 3,058,828 km (0.099 R)
• M9: 4,241,249 km (0.108 R)
• M10: 6,350,430 km (0.096 R)
• M11: 7,914,625 km (0.075 R)
• M12: 8,332,153 km (0.085 R)
• M13: 9,672,998 km (0.073 R)
• M14: 9,909,662 km (0.079 R)
• M15: 11,048,850 km (0.032 R)
• M16: 12,946,349 km (0.076 R)
• M17: 15,757,293 km (0.081 R)
• M18: 16,891,544 km (0.101 R)
• M19: 17,235,320 km (0.082 R)
• M20: 19,172,912 km (0.064 R)
• M21: 21,013,115 km (0.045 R)
• M22: 21,251,126 km (0.038 R)
• M23: 31,070,580 km (0.116 R)
• M24: 31,586,842 km (0.117 R)
• M25: 35,586,641 km (0.095 R)
• M26: 38,118,136 km (0.053 R)
• M27: 41,760,395 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.2

Radius: 8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.36 AU - 9.36 AU

Year: 17028 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,965,965 km

• M1: 101,577 km (0.06 R)
• M2: 371,003 km (0.105 R)
• M3: 1,055,712 km (0.052 R)
• M4: 3,995,161 km (0.091 R)
• M5: 5,032,323 km (0.088 R)
• M6: 5,500,415 km (0.114 R)
• M7: 5,895,353 km (0.077 R)
• M8: 7,627,846 km (0.088 R)
• M9: 8,502,096 km (0.102 R)
• M10: 11,419,703 km (0.106 R)
• M11: 12,118,026 km (0.102 R)
• M12: 15,198,545 km (0.102 R)
• M13: 18,183,172 km (0.115 R)
• M14: 18,618,353 km (0.102 R)
• M15: 21,861,485 km (0.105 R)
• M16: 23,021,018 km (0.092 R)
• M17: 23,444,978 km (0.084 R)
• M18: 23,960,642 km (0.109 R)
• M19: 26,007,291 km (0.105 R)
• M20: 29,739,608 km (0.102 R)
• M21: 35,588,286 km (0.107 R)
• M22: 36,155,113 km (0.076 R)
• M23: 37,307,016 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.2

Radius: 3.1

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.91 AU - 10.99 AU

Year: 23396 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,965,965 km

• M1: 38,596 km (0.047 R)
• M2: 459,714 km (0.098 R)
• M3: 1,416,692 km (0.096 R)
• M4: 1,994,140 km (0.102 R)
• M5: 2,498,584 km (0.11 R)
• M6: 3,035,341 km (0.118 R)
• M7: 4,006,979 km (0.073 R)
• M8: 4,578,892 km (0.075 R)
• M9: 4,705,900 km (0.061 R)
• M10: 5,734,685 km (0.083 R)
• M11: 6,739,982 km (0.115 R)
• M12: 7,113,678 km (0.065 R)
• M13: 11,177,953 km (0.055 R)
• M14: 11,700,947 km (0.104 R)
• M15: 13,890,312 km (0.081 R)
• M16: 15,611,286 km (0.086 R)
• M17: 19,719,243 km (0.1 R)
• M18: 20,395,874 km (0.11 R)
• M19: 23,444,679 km (0.112 R)
• M20: 25,372,846 km (0.115 R)
• M21: 34,994,682 km (0.106 R)
• M22: 37,249,271 km (0.106 R)
• M23: 44,159,047 km (0.061 R)
• M24: 52,035,076 km (0.087 R)
• M25: 54,140,517 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 17,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit