🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.5

Radius: 8.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.63 AU - 0.75 AU

Year: 376 Days

Day: 9.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,746,024 km

• M1: 107,112 km (0.032 R)
• M2: 589,715 km (0.113 R)
• M3: 1,040,902 km (0.093 R)
• M4: 2,025,406 km (0.098 R)
• M5: 3,028,011 km (0.1 R)
• M6: 3,450,774 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 9.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.48 AU - 1.84 AU

Year: 1403 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 140.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,746,024 km

• M1: 120,725 km (0.11 R)
• M2: 474,824 km (0.104 R)
• M3: 1,294,919 km (0.081 R)
• M4: 1,743,713 km (0.063 R)
• M5: 2,648,630 km (0.094 R)
• M6: 3,051,946 km (0.074 R)
• M7: 3,685,344 km (0.049 R)
• M8: 6,618,359 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.7

Radius: 11.4

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.51 AU - 1.87 AU

Year: 1441 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,746,024 km

• M1: 141,819 km (0.117 R)
• M2: 674,836 km (0.118 R)
• M3: 1,079,648 km (0.093 R)
• M4: 1,457,233 km (0.034 R)
• M5: 1,913,955 km (0.118 R)
• M6: 2,352,427 km (0.114 R)
• M7: 3,017,090 km (0.092 R)
• M8: 4,033,607 km (0.069 R)
• M9: 5,597,653 km (0.092 R)
• M10: 8,014,407 km (0.119 R)
• M11: 8,976,171 km (0.081 R)
• M12: 9,979,674 km (0.059 R)
• M13: 10,630,724 km (0.11 R)
• M14: 12,055,943 km (0.111 R)
• M15: 13,114,647 km (0.111 R)
• M16: 14,534,780 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 8.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.61 AU - 2.33 AU

Year: 1814 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,746,024 km

• M1: 104,419 km (0.12 R)
• M2: 384,915 km (0.057 R)
• M3: 713,731 km (0.11 R)
• M4: 1,006,794 km (0.036 R)
• M5: 1,455,438 km (0.031 R)
• M6: 1,769,892 km (0.117 R)
• M7: 2,360,804 km (0.049 R)
• M8: 3,239,841 km (0.098 R)
• M9: 3,547,564 km (0.076 R)
• M10: 3,837,335 km (0.062 R)
• M11: 4,362,424 km (0.108 R)
• M12: 5,413,498 km (0.106 R)
• M13: 6,306,298 km (0.1 R)
• M14: 6,570,937 km (0.12 R)
• M15: 7,585,809 km (0.094 R)
• M16: 8,161,761 km (0.092 R)
• M17: 8,799,347 km (0.085 R)
• M18: 10,029,939 km (0.094 R)
• M19: 13,384,521 km (0.112 R)
• M20: 15,914,371 km (0.113 R)
• M21: 16,605,962 km (0.063 R)
• M22: 16,908,449 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 12.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.97 AU - 2.49 AU

Year: 2185 Days

Day: 6.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,746,024 km

• M1: 160,369 km (0.061 R)
• M2: 698,772 km (0.042 R)
• M3: 1,169,556 km (0.11 R)
• M4: 1,611,169 km (0.091 R)
• M5: 3,033,546 km (0.059 R)
• M6: 4,062,330 km (0.103 R)
• M7: 5,382,382 km (0.068 R)
• M8: 6,128,426 km (0.09 R)
• M9: 6,663,388 km (0.113 R)
• M10: 7,405,394 km (0.111 R)
• M11: 7,858,077 km (0.066 R)
• M12: 9,054,411 km (0.093 R)
• M13: 9,643,378 km (0.08 R)
• M14: 11,247,666 km (0.07 R)
• M15: 12,850,756 km (0.057 R)
• M16: 13,417,732 km (0.088 R)
• M17: 14,138,196 km (0.099 R)
• M18: 16,710,531 km (0.054 R)
• M19: 17,597,796 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 10.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.54 AU - 7.14 AU

Year: 9258 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,746,024 km

• M1: 125,662 km (0.092 R)
• M2: 551,867 km (0.092 R)
• M3: 1,108,819 km (0.05 R)
• M4: 2,158,697 km (0.07 R)
• M5: 2,522,818 km (0.07 R)
• M6: 3,222,039 km (0.108 R)
• M7: 3,994,862 km (0.09 R)
• M8: 5,646,871 km (0.114 R)
• M9: 6,518,877 km (0.084 R)
• M10: 7,248,765 km (0.052 R)
• M11: 7,911,334 km (0.115 R)
• M12: 8,278,148 km (0.114 R)
• M13: 8,871,303 km (0.119 R)
• M14: 14,440,832 km (0.045 R)
• M15: 14,866,737 km (0.054 R)
• M16: 15,679,652 km (0.08 R)
• M17: 16,194,568 km (0.069 R)
• M18: 20,270,811 km (0.079 R)
• M19: 25,686,702 km (0.08 R)
• M20: 29,593,750 km (0.1 R)
• M21: 30,083,833 km (0.082 R)
• M22: 31,080,154 km (0.097 R)
• M23: 32,615,627 km (0.086 R)
• M24: 33,243,788 km (0.118 R)
• M25: 34,093,804 km (0.113 R)
• M26: 36,394,170 km (0.104 R)
• M27: 39,619,650 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.2

Radius: 5.5

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.46 AU - 6.82 AU

Year: 9981 Days

Day: 22.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,746,024 km

• M1: 68,516 km (0.077 R)
• M2: 309,219 km (0.045 R)
• M3: 632,649 km (0.093 R)
• M4: 911,799 km (0.06 R)
• M5: 3,916,173 km (0.084 R)
• M6: 4,291,514 km (0.1 R)
• M7: 5,440,276 km (0.056 R)
• M8: 5,717,631 km (0.106 R)
• M9: 6,101,948 km (0.038 R)
• M10: 8,246,433 km (0.09 R)
• M11: 9,377,243 km (0.094 R)
• M12: 11,737,898 km (0.064 R)
• M13: 12,463,896 km (0.083 R)
• M14: 15,853,934 km (0.12 R)
• M15: 16,420,012 km (0.066 R)
• M16: 16,804,628 km (0.056 R)
• M17: 19,739,888 km (0.036 R)
• M18: 31,930,469 km (0.096 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: 438 - 14,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit