🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 476 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,122,407 km

• M1: 112,647 km (0.114 R)
• M2: 769,083 km (0.115 R)
• M3: 1,433,297 km (0.094 R)
• M4: 1,882,091 km (0.059 R)
• M5: 2,465,523 km (0.113 R)
• M6: 2,818,873 km (0.101 R)
• M7: 3,342,764 km (0.074 R)
• M8: 4,063,078 km (0.066 R)
• M9: 4,427,798 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 9.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.76 AU - 0.9 AU

Year: 522 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,122,407 km

• M1: 123,119 km (0.085 R)
• M2: 480,209 km (0.104 R)
• M3: 882,777 km (0.069 R)
• M4: 1,471,744 km (0.115 R)
• M5: 1,851,722 km (0.045 R)
• M6: 2,603,751 km (0.119 R)
• M7: 3,221,291 km (0.083 R)
• M8: 3,793,353 km (0.117 R)
• M9: 4,104,068 km (0.042 R)
• M10: 4,459,961 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 14.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 148.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,122,407 km

• M1: 176,525 km (0.105 R)
• M2: 643,271 km (0.093 R)
• M3: 1,143,825 km (0.112 R)
• M4: 1,815,520 km (0.089 R)
• M5: 2,340,309 km (0.112 R)
• M6: 3,013,200 km (0.063 R)
• M7: 3,799,038 km (0.064 R)
• M8: 4,256,209 km (0.09 R)
• M9: 5,044,739 km (0.104 R)
• M10: 5,599,299 km (0.117 R)
• M11: 6,213,697 km (0.092 R)
• M12: 7,230,364 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 10.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.83 AU - 0.95 AU

Year: 580 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,122,407 km

• M1: 134,339 km (0.111 R)
• M2: 540,796 km (0.103 R)
• M3: 928,255 km (0.106 R)
• M4: 1,266,496 km (0.115 R)
• M5: 2,037,523 km (0.086 R)
• M6: 3,036,687 km (0.077 R)
• M7: 3,438,657 km (0.084 R)
• M8: 3,805,620 km (0.067 R)
• M9: 4,274,310 km (0.112 R)
• M10: 4,897,535 km (0.073 R)
• M11: 5,310,575 km (0.044 R)
• M12: 5,765,352 km (0.11 R)
• M13: 6,547,300 km (0.076 R)
• M14: 6,942,837 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 12.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.11 AU - 1.35 AU

Year: 942 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,122,407 km

• M1: 159,172 km (0.117 R)
• M2: 643,720 km (0.109 R)
• M3: 1,125,574 km (0.047 R)
• M4: 1,621,791 km (0.099 R)
• M5: 2,309,642 km (0.036 R)
• M6: 3,015,893 km (0.098 R)
• M7: 3,668,289 km (0.104 R)
• M8: 4,158,821 km (0.115 R)
• M9: 5,063,738 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.8

Radius: 11.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.73 AU - 5.91 AU

Year: 8470 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,122,407 km

• M1: 141,968 km (0.058 R)
• M2: 693,386 km (0.094 R)
• M3: 1,205,011 km (0.087 R)
• M4: 1,646,773 km (0.083 R)
• M5: 2,320,562 km (0.11 R)
• M6: 3,037,286 km (0.1 R)
• M7: 4,759,606 km (0.107 R)
• M8: 5,848,379 km (0.106 R)
• M9: 6,712,157 km (0.108 R)
• M10: 7,254,001 km (0.075 R)
• M11: 9,431,398 km (0.053 R)
• M12: 15,229,662 km (0.087 R)
• M13: 16,649,645 km (0.073 R)
• M14: 21,686,755 km (0.098 R)
• M15: 22,274,225 km (0.062 R)
• M16: 22,700,430 km (0.098 R)
• M17: 28,148,934 km (0.065 R)
• M18: 37,323,472 km (0.101 R)
• M19: 44,034,283 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.8

Radius: 7.6

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.78 AU - 6.42 AU

Year: 9147 Days

Day: 16.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,122,407 km

• M1: 100,979 km (0.115 R)
• M2: 418,126 km (0.04 R)
• M3: 799,002 km (0.089 R)
• M4: 1,218,624 km (0.059 R)
• M5: 2,030,791 km (0.102 R)
• M6: 3,078,425 km (0.096 R)
• M7: 4,832,909 km (0.101 R)
• M8: 8,129,148 km (0.082 R)
• M9: 10,305,947 km (0.108 R)
• M10: 11,326,354 km (0.118 R)
• M11: 12,519,547 km (0.049 R)
• M12: 14,911,018 km (0.12 R)
• M13: 16,023,278 km (0.045 R)
• M14: 16,406,099 km (0.096 R)
• M15: 16,860,428 km (0.104 R)
• M16: 22,267,643 km (0.118 R)
• M17: 22,584,641 km (0.075 R)
• M18: 23,066,047 km (0.075 R)
• M19: 23,883,450 km (0.081 R)
• M20: 24,720,001 km (0.098 R)
• M21: 25,403,214 km (0.096 R)
• M22: 29,769,527 km (0.106 R)
• M23: 31,032,732 km (0.112 R)
• M24: 32,534,395 km (0.049 R)

Asteroid Belt

Center: 6.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.1

Radius: 3.4

Gravity: 28.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.77 AU - 9.11 AU

Year: 14008 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,122,407 km

• M1: 45,328 km (0.104 R)
• M2: 423,212 km (0.098 R)
• M3: 605,572 km (0.104 R)
• M4: 1,271,283 km (0.108 R)
• M5: 2,249,204 km (0.049 R)
• M6: 2,824,857 km (0.039 R)
• M7: 4,092,998 km (0.091 R)
• M8: 5,197,778 km (0.072 R)
• M9: 5,731,842 km (0.09 R)
• M10: 7,026,014 km (0.103 R)
• M11: 7,719,849 km (0.107 R)
• M12: 9,873,759 km (0.108 R)
• M13: 12,397,026 km (0.056 R)
• M14: 19,439,047 km (0.06 R)
• M15: 23,170,466 km (0.069 R)
• M16: 25,623,871 km (0.062 R)
• M17: 30,297,608 km (0.083 R)
• M18: 31,792,390 km (0.093 R)
• M19: 33,335,492 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.1

Radius: 6.6

Gravity: 18.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.19 AU - 11.51 AU

Year: 19735 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,122,407 km

• M1: 102,774 km (0.06 R)
• M2: 615,745 km (0.107 R)
• M3: 958,623 km (0.032 R)
• M4: 1,439,431 km (0.077 R)
• M5: 2,070,285 km (0.046 R)
• M6: 2,871,232 km (0.087 R)
• M7: 3,739,199 km (0.092 R)
• M8: 5,140,632 km (0.086 R)
• M9: 5,410,955 km (0.086 R)
• M10: 7,094,230 km (0.098 R)
• M11: 8,446,445 km (0.107 R)
• M12: 9,785,346 km (0.082 R)
• M13: 10,566,846 km (0.092 R)
• M14: 13,740,864 km (0.092 R)
• M15: 18,737,881 km (0.101 R)
• M16: 21,192,932 km (0.083 R)
• M17: 24,175,315 km (0.085 R)
• M18: 24,390,736 km (0.098 R)
• M19: 28,491,214 km (0.101 R)
• M20: 29,338,536 km (0.117 R)
• M21: 32,371,483 km (0.047 R)
• M22: 33,829,015 km (0.05 R)
• M23: 35,053,474 km (0.106 R)
• M24: 40,702,738 km (0.045 R)
• M25: 41,314,294 km (0.099 R)
• M26: 44,464,526 km (0.099 R)
• M27: 46,595,698 km (0.063 R)
• M28: 50,356,139 km (0.075 R)
• M29: 62,841,877 km (0.098 R)
• M30: 63,249,381 km (0.113 R)
• M31: 64,482,666 km (0.055 R)
• M32: 65,105,143 km (0.058 R)
• M33: 72,667,166 km (0.038 R)
• M34: 77,942,735 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 10,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit