🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 14.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.9 AU - 1.38 AU

Year: 798 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,533,637 km

• M1: 180,265 km (0.068 R)
• M2: 696,228 km (0.051 R)
• M3: 1,231,340 km (0.097 R)
• M4: 1,873,863 km (0.112 R)
• M5: 2,430,367 km (0.062 R)
• M6: 3,039,530 km (0.118 R)
• M7: 3,575,539 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 11.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.5 AU - 2.16 AU

Year: 1624 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,533,637 km

• M1: 139,724 km (0.09 R)
• M2: 651,200 km (0.101 R)
• M3: 1,091,017 km (0.119 R)
• M4: 1,507,199 km (0.077 R)
• M5: 2,131,171 km (0.082 R)
• M6: 4,099,879 km (0.056 R)
• M7: 4,513,966 km (0.114 R)
• M8: 4,871,954 km (0.108 R)
• M9: 5,319,700 km (0.087 R)
• M10: 6,238,530 km (0.052 R)
• M11: 7,216,302 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 8.4

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.94 AU - 6.22 AU

Year: 7511 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,533,637 km

• M1: 104,419 km (0.1 R)
• M2: 492,027 km (0.106 R)
• M3: 786,436 km (0.056 R)
• M4: 1,301,053 km (0.108 R)
• M5: 1,661,733 km (0.091 R)
• M6: 2,040,964 km (0.113 R)
• M7: 2,568,147 km (0.093 R)
• M8: 3,247,620 km (0.083 R)
• M9: 5,467,653 km (0.088 R)
• M10: 6,076,067 km (0.095 R)
• M11: 9,541,951 km (0.1 R)
• M12: 10,471,253 km (0.052 R)
• M13: 12,616,935 km (0.073 R)
• M14: 14,796,725 km (0.073 R)
• M15: 15,162,492 km (0.116 R)
• M16: 15,534,392 km (0.107 R)
• M17: 15,975,706 km (0.095 R)
• M18: 17,485,298 km (0.119 R)
• M19: 18,660,539 km (0.107 R)
• M20: 18,944,626 km (0.114 R)
• M21: 19,448,471 km (0.117 R)
• M22: 20,408,142 km (0.104 R)
• M23: 21,167,650 km (0.119 R)
• M24: 22,985,563 km (0.103 R)
• M25: 23,641,699 km (0.099 R)
• M26: 24,394,626 km (0.062 R)
• M27: 28,494,505 km (0.06 R)
• M28: 32,516,444 km (0.119 R)
• M29: 33,135,180 km (0.079 R)
• M30: 36,790,156 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.3

Radius: 5.7

Gravity: 17.49 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.22 AU - 6.32 AU

Year: 10299 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,533,637 km

• M1: 133,591 km (0.032 R)
• M2: 366,066 km (0.093 R)
• M3: 586,424 km (0.082 R)
• M4: 831,315 km (0.054 R)
• M5: 1,099,395 km (0.118 R)
• M6: 1,764,507 km (0.048 R)
• M7: 2,210,757 km (0.119 R)
• M8: 2,688,124 km (0.071 R)
• M9: 3,208,725 km (0.086 R)
• M10: 3,872,191 km (0.084 R)
• M11: 4,390,997 km (0.11 R)
• M12: 5,566,387 km (0.106 R)
• M13: 7,953,820 km (0.063 R)
• M14: 9,019,405 km (0.062 R)
• M15: 10,948,619 km (0.046 R)
• M16: 12,206,737 km (0.076 R)
• M17: 13,437,030 km (0.097 R)
• M18: 13,619,241 km (0.066 R)
• M19: 16,278,642 km (0.068 R)
• M20: 16,485,835 km (0.066 R)
• M21: 20,443,147 km (0.098 R)
• M22: 21,336,995 km (0.041 R)
• M23: 21,585,327 km (0.074 R)
• M24: 23,906,937 km (0.101 R)
• M25: 24,174,717 km (0.095 R)
• M26: 27,742,626 km (0.056 R)
• M27: 29,857,341 km (0.072 R)
• M28: 30,690,452 km (0.037 R)
• M29: 30,901,235 km (0.11 R)
• M30: 34,404,817 km (0.038 R)
• M31: 40,268,605 km (0.106 R)
• M32: 42,058,693 km (0.105 R)
• M33: 44,168,622 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.3

Radius: 7.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.24 AU - 7.94 AU

Year: 11098 Days

Day: 25 Hours

Environment

Temp: -229 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,533,637 km

• M1: 89,609 km (0.114 R)
• M2: 376,837 km (0.074 R)
• M3: 1,164,021 km (0.033 R)
• M4: 1,431,502 km (0.045 R)
• M5: 1,658,891 km (0.102 R)
• M6: 2,439,642 km (0.061 R)
• M7: 3,600,821 km (0.107 R)
• M8: 5,121,334 km (0.116 R)
• M9: 6,956,301 km (0.065 R)
• M10: 7,392,229 km (0.103 R)
• M11: 7,884,705 km (0.119 R)
• M12: 8,561,636 km (0.054 R)
• M13: 11,066,502 km (0.089 R)
• M14: 13,075,003 km (0.112 R)
• M15: 18,544,152 km (0.093 R)
• M16: 18,890,172 km (0.117 R)
• M17: 20,171,627 km (0.065 R)
• M18: 20,759,397 km (0.107 R)
• M19: 21,738,665 km (0.085 R)
• M20: 22,512,684 km (0.041 R)
• M21: 23,065,299 km (0.081 R)
• M22: 25,622,076 km (0.053 R)
• M23: 26,137,890 km (0.078 R)
• M24: 28,453,365 km (0.115 R)
• M25: 29,099,329 km (0.057 R)
• M26: 30,612,661 km (0.08 R)
• M27: 34,623,978 km (0.094 R)
• M28: 35,360,299 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.9

Radius: 3

Gravity: 34.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.06 AU - 7.54 AU

Year: 11632 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,533,637 km

• M1: 37,399 km (0.109 R)
• M2: 298,149 km (0.077 R)
• M3: 1,233,135 km (0.088 R)
• M4: 1,377,946 km (0.078 R)
• M5: 3,466,332 km (0.116 R)
• M6: 4,491,676 km (0.1 R)
• M7: 5,638,194 km (0.097 R)
• M8: 7,742,587 km (0.119 R)
• M9: 19,271,198 km (0.036 R)
• M10: 25,907,210 km (0.072 R)
• M11: 26,911,460 km (0.086 R)
• M12: 28,226,725 km (0.057 R)
• M13: 34,133,148 km (0.083 R)
• M14: 35,672,659 km (0.097 R)
• M15: 36,686,484 km (0.118 R)
• M16: 37,143,207 km (0.084 R)
• M17: 37,719,308 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.5

Radius: 5.9

Gravity: 25.87 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.08 AU - 13.12 AU

Year: 22640 Days

Day: 20.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,533,637 km

• M1: 73,453 km (0.105 R)
• M2: 436,975 km (0.099 R)
• M3: 1,436,588 km (0.063 R)
• M4: 1,644,978 km (0.103 R)
• M5: 2,348,836 km (0.075 R)
• M6: 3,178,656 km (0.081 R)
• M7: 5,316,559 km (0.103 R)
• M8: 5,862,890 km (0.109 R)
• M9: 6,082,649 km (0.096 R)
• M10: 7,066,704 km (0.118 R)
• M11: 8,821,188 km (0.1 R)
• M12: 10,521,667 km (0.105 R)
• M13: 12,866,314 km (0.106 R)
• M14: 13,163,266 km (0.089 R)
• M15: 20,105,355 km (0.107 R)
• M16: 22,158,437 km (0.041 R)
• M17: 38,850,118 km (0.114 R)
• M18: 39,314,919 km (0.081 R)
• M19: 40,413,566 km (0.045 R)
• M20: 55,823,642 km (0.096 R)
• M21: 66,459,452 km (0.117 R)
• M22: 68,466,607 km (0.057 R)
• M23: 68,692,051 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 16,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit