🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 10

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.6 AU - 0.74 AU

Year: 379 Days

Day: 12.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,327,825 km

• M1: 124,465 km (0.106 R)
• M2: 831,315 km (0.058 R)
• M3: 1,212,640 km (0.114 R)
• M4: 1,859,502 km (0.056 R)
• M5: 2,190,861 km (0.066 R)
• M6: 2,562,013 km (0.054 R)
• M7: 2,889,034 km (0.071 R)
• M8: 3,486,229 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.3

Radius: 11.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.95 AU - 1.43 AU

Year: 896 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,327,825 km

• M1: 147,952 km (0.114 R)
• M2: 618,587 km (0.117 R)
• M3: 999,613 km (0.084 R)
• M4: 3,562,673 km (0.101 R)
• M5: 4,034,355 km (0.094 R)
• M6: 4,872,702 km (0.071 R)
• M7: 5,455,834 km (0.112 R)
• M8: 6,291,488 km (0.054 R)
• M9: 6,784,114 km (0.082 R)
• M10: 8,342,624 km (0.061 R)
• M11: 9,044,687 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 10.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.23 AU - 1.25 AU

Year: 953 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,327,825 km

• M1: 135,536 km (0.036 R)
• M2: 591,660 km (0.073 R)
• M3: 1,064,389 km (0.098 R)
• M4: 2,371,276 km (0.049 R)
• M5: 2,715,800 km (0.083 R)
• M6: 3,093,983 km (0.115 R)
• M7: 3,494,008 km (0.096 R)
• M8: 3,899,418 km (0.108 R)
• M9: 4,705,601 km (0.117 R)
• M10: 5,453,441 km (0.083 R)
• M11: 5,923,477 km (0.104 R)
• M12: 6,502,571 km (0.038 R)
• M13: 6,988,315 km (0.11 R)
• M14: 7,566,511 km (0.097 R)
• M15: 7,961,599 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 9.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.58 AU - 2.58 AU

Year: 2071 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,327,825 km

• M1: 121,922 km (0.092 R)
• M2: 434,582 km (0.087 R)
• M3: 913,744 km (0.111 R)
• M4: 1,489,546 km (0.098 R)
• M5: 1,831,078 km (0.086 R)
• M6: 3,072,441 km (0.082 R)
• M7: 3,710,925 km (0.071 R)
• M8: 4,543,587 km (0.099 R)
• M9: 5,111,909 km (0.095 R)
• M10: 7,404,496 km (0.084 R)
• M11: 7,791,655 km (0.063 R)
• M12: 8,192,129 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 8.8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.42 AU - 3.94 AU

Year: 3914 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,327,825 km

• M1: 109,506 km (0.103 R)
• M2: 414,835 km (0.111 R)
• M3: 895,942 km (0.119 R)
• M4: 1,526,945 km (0.053 R)
• M5: 2,308,445 km (0.084 R)
• M6: 2,848,044 km (0.069 R)
• M7: 3,812,502 km (0.055 R)
• M8: 6,051,533 km (0.055 R)
• M9: 8,497,757 km (0.113 R)
• M10: 10,140,492 km (0.102 R)
• M11: 10,676,351 km (0.063 R)
• M12: 15,773,450 km (0.078 R)
• M13: 16,102,864 km (0.111 R)
• M14: 17,583,584 km (0.081 R)
• M15: 19,402,395 km (0.084 R)
• M16: 20,357,278 km (0.088 R)
• M17: 22,429,658 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 13

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.92 AU - 3.94 AU

Year: 4385 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,327,825 km

• M1: 161,715 km (0.057 R)
• M2: 589,416 km (0.094 R)
• M3: 1,121,386 km (0.066 R)
• M4: 1,572,573 km (0.058 R)
• M5: 2,039,468 km (0.115 R)
• M6: 3,046,411 km (0.098 R)
• M7: 3,886,104 km (0.079 R)
• M8: 4,923,266 km (0.111 R)
• M9: 5,912,856 km (0.11 R)
• M10: 6,367,334 km (0.117 R)
• M11: 6,784,263 km (0.086 R)
• M12: 7,283,172 km (0.087 R)
• M13: 7,706,385 km (0.12 R)
• M14: 8,249,874 km (0.088 R)
• M15: 10,075,716 km (0.084 R)
• M16: 12,067,312 km (0.079 R)
• M17: 12,615,289 km (0.069 R)
• M18: 13,227,593 km (0.094 R)
• M19: 14,665,229 km (0.071 R)
• M20: 15,931,874 km (0.09 R)
• M21: 17,042,040 km (0.06 R)
• M22: 17,674,390 km (0.058 R)
• M23: 18,381,838 km (0.1 R)
• M24: 21,534,913 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 13.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.59 AU - 4.31 AU

Year: 5419 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,327,825 km

• M1: 171,589 km (0.106 R)
• M2: 623,524 km (0.099 R)
• M3: 2,011,044 km (0.042 R)
• M4: 2,890,979 km (0.106 R)
• M5: 4,060,984 km (0.061 R)
• M6: 4,574,104 km (0.097 R)
• M7: 5,020,953 km (0.065 R)
• M8: 5,642,981 km (0.11 R)
• M9: 6,672,215 km (0.108 R)
• M10: 7,823,071 km (0.054 R)
• M11: 9,021,051 km (0.113 R)
• M12: 10,249,249 km (0.114 R)
• M13: 13,403,969 km (0.075 R)
• M14: 14,270,141 km (0.081 R)
• M15: 15,288,902 km (0.098 R)
• M16: 16,722,050 km (0.108 R)
• M17: 18,970,207 km (0.031 R)
• M18: 20,271,708 km (0.102 R)
• M19: 22,823,998 km (0.042 R)
• M20: 23,590,986 km (0.106 R)
• M21: 24,059,377 km (0.078 R)
• M22: 26,747,351 km (0.075 R)
• M23: 30,450,647 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 8.4

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.23 AU - 4.69 AU

Year: 5439 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,327,825 km

• M1: 104,569 km (0.097 R)
• M2: 516,412 km (0.064 R)
• M3: 954,734 km (0.101 R)
• M4: 2,695,454 km (0.106 R)
• M5: 3,532,903 km (0.041 R)
• M6: 3,831,949 km (0.098 R)
• M7: 4,694,980 km (0.111 R)
• M8: 5,057,156 km (0.111 R)
• M9: 6,662,042 km (0.114 R)
• M10: 7,789,112 km (0.12 R)
• M11: 8,218,009 km (0.11 R)
• M12: 8,954,031 km (0.069 R)
• M13: 10,650,920 km (0.046 R)
• M14: 11,525,319 km (0.089 R)
• M15: 13,471,887 km (0.119 R)
• M16: 15,023,815 km (0.091 R)
• M17: 17,078,243 km (0.115 R)
• M18: 17,869,615 km (0.052 R)
• M19: 18,138,891 km (0.096 R)
• M20: 18,547,593 km (0.079 R)
• M21: 21,281,195 km (0.09 R)
• M22: 22,665,125 km (0.047 R)
• M23: 24,436,962 km (0.119 R)
• M24: 25,103,570 km (0.093 R)
• M25: 27,801,717 km (0.077 R)
• M26: 28,254,251 km (0.113 R)
• M27: 28,803,724 km (0.088 R)
• M28: 31,757,234 km (0.12 R)
• M29: 33,869,108 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 19,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit