🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 11

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.63 AU - 0.83 AU

Year: 438 Days

Day: 13.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,623,248 km

• M1: 136,882 km (0.117 R)
• M2: 522,097 km (0.098 R)
• M3: 1,178,083 km (0.099 R)
• M4: 1,524,103 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 10.8

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.89 AU - 1.05 AU

Year: 672 Days

Day: 9.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,623,248 km

• M1: 134,339 km (0.074 R)
• M2: 540,796 km (0.092 R)
• M3: 1,140,684 km (0.078 R)
• M4: 2,063,703 km (0.027 R)
• M5: 2,571,587 km (0.11 R)
• M6: 3,679,360 km (0.078 R)
• M7: 4,050,362 km (0.091 R)
• M8: 4,833,657 km (0.045 R)
• M9: 5,734,535 km (0.056 R)
• M10: 6,656,956 km (0.093 R)
• M11: 8,061,829 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 12.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.3 AU - 1.46 AU

Year: 1140 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,623,248 km

• M1: 163,510 km (0.029 R)
• M2: 610,958 km (0.094 R)
• M3: 1,622,838 km (0.052 R)
• M4: 2,295,280 km (0.104 R)
• M5: 2,710,115 km (0.035 R)
• M6: 3,567,161 km (0.052 R)
• M7: 4,163,309 km (0.1 R)
• M8: 4,596,993 km (0.1 R)
• M9: 5,345,880 km (0.079 R)
• M10: 5,750,093 km (0.115 R)
• M11: 6,220,429 km (0.071 R)
• M12: 6,986,819 km (0.033 R)
• M13: 8,225,639 km (0.115 R)
• M14: 8,795,158 km (0.077 R)
• M15: 9,792,377 km (0.084 R)
• M16: 11,725,930 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 8.1

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.23 AU - 1.65 AU

Year: 1215 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,623,248 km

• M1: 118,332 km (0.052 R)
• M2: 556,504 km (0.103 R)
• M3: 866,920 km (0.111 R)
• M4: 1,231,190 km (0.039 R)
• M5: 1,620,295 km (0.073 R)
• M6: 1,937,891 km (0.042 R)
• M7: 2,261,321 km (0.07 R)
• M8: 2,780,426 km (0.07 R)
• M9: 3,392,281 km (0.115 R)
• M10: 3,830,902 km (0.067 R)
• M11: 4,455,473 km (0.08 R)
• M12: 6,112,868 km (0.055 R)
• M13: 7,647,294 km (0.117 R)
• M14: 9,579,350 km (0.107 R)
• M15: 10,289,940 km (0.096 R)
• M16: 10,897,158 km (0.088 R)
• M17: 12,406,600 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 9.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.47 AU - 2.43 AU

Year: 1914 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,623,248 km

• M1: 122,371 km (0.042 R)
• M2: 463,604 km (0.092 R)
• M3: 769,083 km (0.112 R)
• M4: 1,305,241 km (0.1 R)
• M5: 2,306,201 km (0.033 R)
• M6: 3,155,617 km (0.106 R)
• M7: 3,506,574 km (0.062 R)
• M8: 3,834,792 km (0.085 R)
• M9: 4,149,695 km (0.103 R)
• M10: 4,888,410 km (0.102 R)
• M11: 5,259,412 km (0.072 R)
• M12: 5,926,918 km (0.102 R)
• M13: 6,487,012 km (0.113 R)
• M14: 7,304,714 km (0.065 R)
• M15: 8,055,247 km (0.04 R)
• M16: 10,078,259 km (0.115 R)
• M17: 11,174,063 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 14.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.87 AU - 2.57 AU

Year: 2325 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,623,248 km

• M1: 175,628 km (0.112 R)
• M2: 762,351 km (0.092 R)
• M3: 1,402,630 km (0.079 R)
• M4: 1,938,340 km (0.112 R)
• M5: 2,768,907 km (0.105 R)
• M6: 4,247,532 km (0.112 R)
• M7: 5,275,569 km (0.109 R)
• M8: 6,759,430 km (0.071 R)
• M9: 7,466,280 km (0.077 R)
• M10: 8,316,146 km (0.117 R)
• M11: 9,128,462 km (0.092 R)
• M12: 11,372,580 km (0.108 R)
• M13: 11,846,207 km (0.056 R)
• M14: 13,303,439 km (0.04 R)
• M15: 14,924,033 km (0.043 R)
• M16: 16,124,406 km (0.038 R)
• M17: 17,233,226 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.7

Radius: 12.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.03 AU - 3.17 AU

Year: 2947 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,623,248 km

• M1: 155,432 km (0.104 R)
• M2: 561,590 km (0.045 R)
• M3: 955,781 km (0.106 R)
• M4: 2,249,653 km (0.104 R)
• M5: 2,840,564 km (0.094 R)
• M6: 3,514,802 km (0.086 R)
• M7: 3,940,707 km (0.083 R)
• M8: 4,712,782 km (0.106 R)
• M9: 5,232,784 km (0.112 R)
• M10: 8,397,078 km (0.076 R)
• M11: 9,750,340 km (0.079 R)
• M12: 10,206,614 km (0.09 R)
• M13: 11,161,946 km (0.12 R)
• M14: 11,619,267 km (0.119 R)
• M15: 15,950,424 km (0.075 R)
• M16: 19,771,453 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 10.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.25 AU - 4.13 AU

Year: 4983 Days

Day: 11.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 128.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,623,248 km

• M1: 131,796 km (0.116 R)
• M2: 466,895 km (0.081 R)
• M3: 804,986 km (0.075 R)
• M4: 1,191,547 km (0.049 R)
• M5: 1,574,069 km (0.115 R)
• M6: 2,497,836 km (0.111 R)
• M7: 3,423,398 km (0.083 R)
• M8: 3,792,605 km (0.041 R)
• M9: 4,491,377 km (0.086 R)
• M10: 6,085,941 km (0.082 R)
• M11: 6,724,424 km (0.062 R)
• M12: 7,076,428 km (0.091 R)
• M13: 8,135,132 km (0.093 R)
• M14: 9,453,987 km (0.068 R)
• M15: 11,623,755 km (0.095 R)
• M16: 13,442,715 km (0.09 R)
• M17: 15,610,089 km (0.113 R)
• M18: 18,432,253 km (0.076 R)
• M19: 19,963,686 km (0.06 R)
• M20: 24,011,954 km (0.114 R)
• M21: 24,459,701 km (0.106 R)
• M22: 25,603,526 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 10,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit