🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 9.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.49 AU - 1.71 AU

Year: 1350 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,369,171 km

• M1: 113,096 km (0.115 R)
• M2: 479,760 km (0.099 R)
• M3: 899,682 km (0.072 R)
• M4: 1,441,375 km (0.091 R)
• M5: 1,868,328 km (0.119 R)
• M6: 2,253,692 km (0.108 R)
• M7: 2,666,582 km (0.082 R)
• M8: 2,951,416 km (0.089 R)
• M9: 4,199,063 km (0.074 R)
• M10: 4,514,565 km (0.089 R)
• M11: 4,979,066 km (0.119 R)
• M12: 5,414,097 km (0.08 R)
• M13: 7,213,011 km (0.078 R)
• M14: 8,221,001 km (0.068 R)
• M15: 9,087,023 km (0.12 R)
• M16: 10,546,051 km (0.063 R)
• M17: 11,164,788 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 8.5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.65 AU - 2.53 AU

Year: 2015 Days

Day: 7.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,369,171 km

• M1: 105,766 km (0.104 R)
• M2: 385,963 km (0.115 R)
• M3: 860,038 km (0.098 R)
• M4: 1,516,025 km (0.111 R)
• M5: 2,227,662 km (0.091 R)
• M6: 2,871,830 km (0.075 R)
• M7: 3,727,381 km (0.098 R)
• M8: 4,526,682 km (0.085 R)
• M9: 5,012,576 km (0.051 R)
• M10: 5,806,193 km (0.061 R)
• M11: 7,164,840 km (0.108 R)
• M12: 8,170,288 km (0.116 R)
• M13: 8,823,881 km (0.109 R)
• M14: 9,406,565 km (0.095 R)
• M15: 10,272,287 km (0.108 R)
• M16: 10,724,671 km (0.048 R)
• M17: 11,427,931 km (0.088 R)
• M18: 11,872,685 km (0.079 R)
• M19: 12,668,097 km (0.086 R)
• M20: 12,969,986 km (0.088 R)
• M21: 13,587,975 km (0.113 R)
• M22: 13,995,629 km (0.073 R)
• M23: 14,411,361 km (0.036 R)
• M24: 16,056,788 km (0.114 R)
• M25: 16,769,323 km (0.097 R)
• M26: 17,662,871 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 9.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.48 AU - 2.5 AU

Year: 2620 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,369,171 km

• M1: 113,246 km (0.116 R)
• M2: 451,935 km (0.063 R)
• M3: 765,492 km (0.074 R)
• M4: 1,462,918 km (0.093 R)
• M5: 3,249,415 km (0.116 R)
• M6: 3,955,218 km (0.108 R)
• M7: 5,024,394 km (0.047 R)
• M8: 5,931,556 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.8

Radius: 15

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.71 AU - 3.09 AU

Year: 3293 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,369,171 km

• M1: 387,458 km (0.071 R)
• M2: 854,952 km (0.112 R)
• M3: 1,455,138 km (0.072 R)
• M4: 2,109,480 km (0.103 R)
• M5: 2,859,862 km (0.04 R)
• M6: 3,942,353 km (0.116 R)
• M7: 4,852,357 km (0.064 R)
• M8: 6,647,681 km (0.101 R)
• M9: 7,616,776 km (0.093 R)
• M10: 8,574,800 km (0.09 R)
• M11: 9,136,989 km (0.104 R)
• M12: 10,335,567 km (0.059 R)
• M13: 13,553,717 km (0.042 R)
• M14: 18,755,384 km (0.058 R)
• M15: 20,008,865 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.5

Radius: 8.7

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.87 AU - 3.47 AU

Year: 3764 Days

Day: 5.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,369,171 km

• M1: 108,458 km (0.071 R)
• M2: 554,260 km (0.072 R)
• M3: 1,024,147 km (0.089 R)
• M4: 1,459,327 km (0.113 R)
• M5: 1,814,921 km (0.078 R)
• M6: 2,200,585 km (0.117 R)
• M7: 2,719,091 km (0.069 R)
• M8: 3,120,013 km (0.059 R)
• M9: 3,755,505 km (0.057 R)
• M10: 5,035,464 km (0.098 R)
• M11: 5,855,111 km (0.074 R)
• M12: 7,031,848 km (0.109 R)
• M13: 7,309,950 km (0.05 R)
• M14: 8,121,369 km (0.117 R)
• M15: 8,636,435 km (0.094 R)
• M16: 9,731,641 km (0.065 R)
• M17: 10,352,322 km (0.114 R)
• M18: 11,206,676 km (0.093 R)
• M19: 14,003,557 km (0.049 R)
• M20: 14,794,481 km (0.08 R)
• M21: 18,200,675 km (0.044 R)
• M22: 18,903,935 km (0.088 R)
• M23: 20,741,446 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.4

Radius: 13.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.02 AU - 5.1 AU

Year: 6493 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,369,171 km

• M1: 174,132 km (0.113 R)
• M2: 842,236 km (0.104 R)
• M3: 1,403,677 km (0.068 R)
• M4: 2,030,043 km (0.105 R)
• M5: 3,055,985 km (0.076 R)
• M6: 3,936,369 km (0.096 R)
• M7: 4,537,453 km (0.09 R)
• M8: 5,502,359 km (0.11 R)
• M9: 6,089,082 km (0.092 R)
• M10: 8,410,243 km (0.068 R)
• M11: 9,337,899 km (0.06 R)
• M12: 11,020,576 km (0.09 R)
• M13: 12,175,771 km (0.071 R)
• M14: 13,128,859 km (0.078 R)
• M15: 14,476,436 km (0.084 R)
• M16: 17,728,993 km (0.116 R)
• M17: 20,799,340 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.4

Radius: 4.3

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.27 AU - 9.35 AU

Year: 18943 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,369,171 km

• M1: 81,680 km (0.071 R)
• M2: 512,522 km (0.117 R)
• M3: 737,667 km (0.072 R)
• M4: 1,323,193 km (0.108 R)
• M5: 1,560,755 km (0.054 R)
• M6: 2,019,422 km (0.112 R)
• M7: 2,155,705 km (0.119 R)
• M8: 2,353,175 km (0.056 R)
• M9: 2,953,960 km (0.116 R)
• M10: 4,064,873 km (0.069 R)
• M11: 4,451,883 km (0.098 R)
• M12: 5,140,482 km (0.111 R)
• M13: 10,211,551 km (0.1 R)
• M14: 12,794,059 km (0.096 R)
• M15: 15,188,672 km (0.058 R)
• M16: 18,230,595 km (0.098 R)
• M17: 20,206,334 km (0.098 R)
• M18: 22,069,276 km (0.111 R)
• M19: 22,404,525 km (0.11 R)
• M20: 27,172,957 km (0.104 R)
• M21: 30,563,294 km (0.065 R)
• M22: 32,359,665 km (0.088 R)
• M23: 32,683,694 km (0.108 R)
• M24: 35,013,681 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 17,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit