🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 11

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.87 AU - 1.05 AU

Year: 661 Days

Day: 11.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,363,209 km

• M1: 137,181 km (0.112 R)
• M2: 492,925 km (0.075 R)
• M3: 887,415 km (0.109 R)
• M4: 1,293,872 km (0.047 R)
• M5: 1,656,946 km (0.11 R)
• M6: 2,047,396 km (0.115 R)
• M7: 2,932,268 km (0.111 R)
• M8: 3,379,416 km (0.114 R)
• M9: 3,858,877 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 9.9

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.87 AU - 1.39 AU

Year: 844 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,363,209 km

• M1: 124,615 km (0.083 R)
• M2: 511,625 km (0.085 R)
• M3: 1,122,732 km (0.067 R)
• M4: 2,161,540 km (0.071 R)
• M5: 2,507,859 km (0.105 R)
• M6: 3,163,995 km (0.112 R)
• M7: 3,792,306 km (0.097 R)
• M8: 4,234,069 km (0.059 R)
• M9: 5,568,930 km (0.081 R)
• M10: 6,225,964 km (0.051 R)
• M11: 6,774,390 km (0.075 R)
• M12: 7,645,050 km (0.106 R)
• M13: 8,069,309 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 14.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.65 AU - 3.01 AU

Year: 3346 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,363,209 km

• M1: 184,305 km (0.063 R)
• M2: 740,061 km (0.116 R)
• M3: 1,346,830 km (0.077 R)
• M4: 1,816,717 km (0.09 R)
• M5: 2,413,163 km (0.093 R)
• M6: 2,983,131 km (0.091 R)
• M7: 4,114,241 km (0.112 R)
• M8: 4,862,529 km (0.079 R)
• M9: 6,083,846 km (0.09 R)
• M10: 6,903,643 km (0.111 R)
• M11: 7,468,674 km (0.111 R)
• M12: 11,065,156 km (0.065 R)
• M13: 14,642,191 km (0.084 R)
• M14: 15,898,963 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233

Radius: 10.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.53 AU - 3.61 AU

Year: 3781 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 171.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,363,209 km

• M1: 130,599 km (0.116 R)
• M2: 483,949 km (0.087 R)
• M3: 1,284,148 km (0.065 R)
• M4: 2,039,019 km (0.08 R)
• M5: 2,366,938 km (0.118 R)
• M6: 4,535,059 km (0.094 R)
• M7: 5,614,857 km (0.115 R)
• M8: 6,319,612 km (0.118 R)
• M9: 7,663,600 km (0.061 R)
• M10: 10,496,684 km (0.118 R)
• M11: 11,369,588 km (0.115 R)
• M12: 12,167,244 km (0.075 R)
• M13: 12,874,393 km (0.096 R)
• M14: 16,625,111 km (0.058 R)
• M15: 17,391,800 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 6.8

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.81 AU - 7.21 AU

Year: 13046 Days

Day: 20.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,363,209 km

• M1: 85,271 km (0.096 R)
• M2: 401,820 km (0.113 R)
• M3: 1,253,181 km (0.077 R)
• M4: 1,986,510 km (0.087 R)
• M5: 2,686,329 km (0.119 R)
• M6: 3,336,033 km (0.114 R)
• M7: 4,114,540 km (0.083 R)
• M8: 4,409,397 km (0.099 R)
• M9: 5,951,003 km (0.111 R)
• M10: 9,333,411 km (0.103 R)
• M11: 11,199,345 km (0.098 R)
• M12: 14,210,601 km (0.118 R)
• M13: 17,644,770 km (0.066 R)
• M14: 18,822,105 km (0.085 R)
• M15: 23,401,445 km (0.081 R)
• M16: 24,341,518 km (0.119 R)
• M17: 37,279,640 km (0.071 R)
• M18: 39,211,995 km (0.106 R)
• M19: 47,461,570 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931

Radius: 4.3

Gravity: 50.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.84 AU - 10.26 AU

Year: 20745 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,363,209 km

• M1: 53,406 km (0.108 R)
• M2: 265,835 km (0.115 R)
• M3: 830,119 km (0.107 R)
• M4: 1,370,017 km (0.117 R)
• M5: 1,848,431 km (0.069 R)
• M6: 2,224,520 km (0.06 R)
• M7: 3,127,044 km (0.097 R)
• M8: 3,386,297 km (0.114 R)
• M9: 3,566,862 km (0.062 R)
• M10: 5,787,044 km (0.063 R)
• M11: 6,679,096 km (0.093 R)
• M12: 7,109,040 km (0.096 R)
• M13: 8,130,046 km (0.032 R)
• M14: 9,479,867 km (0.093 R)
• M15: 10,521,817 km (0.108 R)
• M16: 11,169,127 km (0.107 R)
• M17: 11,435,261 km (0.118 R)
• M18: 11,637,817 km (0.076 R)
• M19: 13,719,770 km (0.09 R)
• M20: 17,600,040 km (0.105 R)
• M21: 18,603,393 km (0.066 R)
• M22: 18,883,440 km (0.071 R)
• M23: 19,166,330 km (0.119 R)
• M24: 22,573,122 km (0.092 R)
• M25: 23,429,570 km (0.076 R)
• M26: 23,756,291 km (0.027 R)
• M27: 32,000,630 km (0.083 R)
• M28: 35,885,836 km (0.045 R)
• M29: 36,319,969 km (0.108 R)
• M30: 41,645,354 km (0.093 R)
• M31: 46,433,533 km (0.034 R)
• M32: 46,604,973 km (0.117 R)
• M33: 69,030,441 km (0.071 R)
• M34: 72,890,964 km (0.054 R)
• M35: 83,040,731 km (0.076 R)
• M36: 84,308,274 km (0.082 R)
• M37: 84,563,338 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit