🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.17 AU - 4.35 AU

Year: 2807 Days

Day: 29.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 62.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,647,964 km

• M1: 659,128 km (0.061 R)

Asteroid Belt

Center: 5.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 11

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.82 AU - 7.42 AU

Year: 7315 Days

Day: 9.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,647,964 km

• M1: 138,528 km (0.116 R)
• M2: 711,487 km (0.103 R)
• M3: 1,250,937 km (0.099 R)
• M4: 1,781,561 km (0.1 R)
• M5: 2,334,624 km (0.048 R)
• M6: 2,738,838 km (0.119 R)
• M7: 3,083,063 km (0.101 R)
• M8: 3,714,216 km (0.118 R)
• M9: 4,456,521 km (0.116 R)
• M10: 4,936,131 km (0.045 R)
• M11: 5,418,734 km (0.068 R)
• M12: 7,476,602 km (0.102 R)
• M13: 9,821,848 km (0.036 R)
• M14: 10,247,753 km (0.052 R)
• M15: 11,809,705 km (0.087 R)
• M16: 13,352,059 km (0.12 R)
• M17: 15,590,492 km (0.087 R)
• M18: 23,288,050 km (0.079 R)
• M19: 25,083,524 km (0.08 R)
• M20: 26,150,007 km (0.087 R)
• M21: 31,427,820 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.29 AU - 10.61 AU

Year: 11185 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,647,964 km

• M1: 111,899 km (0.087 R)
• M2: 495,917 km (0.101 R)
• M3: 1,030,879 km (0.114 R)
• M4: 2,243,070 km (0.077 R)
• M5: 3,471,269 km (0.085 R)
• M6: 3,958,958 km (0.091 R)
• M7: 5,611,566 km (0.032 R)
• M8: 7,826,661 km (0.09 R)
• M9: 9,649,212 km (0.091 R)
• M10: 10,523,612 km (0.092 R)
• M11: 11,835,286 km (0.064 R)
• M12: 12,785,382 km (0.119 R)
• M13: 13,305,534 km (0.099 R)
• M14: 13,731,589 km (0.041 R)
• M15: 17,036,355 km (0.1 R)
• M16: 18,972,451 km (0.089 R)
• M17: 21,629,758 km (0.096 R)
• M18: 25,901,226 km (0.067 R)
• M19: 27,756,688 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 7.2

Gravity: 18.77 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 10.7 AU - 13.76 AU

Year: 16467 Days

Day: 23.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,647,964 km

• M1: 89,908 km (0.03 R)
• M2: 342,878 km (0.102 R)
• M3: 717,322 km (0.075 R)
• M4: 1,014,573 km (0.051 R)
• M5: 1,844,991 km (0.104 R)
• M6: 3,091,290 km (0.08 R)
• M7: 3,334,537 km (0.111 R)
• M8: 3,738,600 km (0.105 R)
• M9: 4,015,207 km (0.094 R)
• M10: 4,892,150 km (0.113 R)
• M11: 6,438,393 km (0.12 R)
• M12: 6,836,922 km (0.084 R)
• M13: 7,158,109 km (0.072 R)
• M14: 10,043,851 km (0.073 R)
• M15: 11,072,786 km (0.107 R)
• M16: 12,037,542 km (0.059 R)
• M17: 13,552,370 km (0.05 R)
• M18: 15,737,696 km (0.09 R)
• M19: 17,206,298 km (0.087 R)
• M20: 17,973,885 km (0.055 R)
• M21: 19,122,647 km (0.071 R)
• M22: 22,558,162 km (0.109 R)
• M23: 24,209,124 km (0.089 R)
• M24: 32,384,947 km (0.115 R)
• M25: 35,291,185 km (0.046 R)
• M26: 37,510,768 km (0.061 R)
• M27: 40,117,362 km (0.065 R)
• M28: 47,156,989 km (0.118 R)
• M29: 54,794,409 km (0.114 R)
• M30: 57,387,239 km (0.106 R)
• M31: 58,523,136 km (0.065 R)
• M32: 63,618,589 km (0.034 R)
• M33: 67,105,416 km (0.12 R)
• M34: 74,010,555 km (0.058 R)
• M35: 74,905,748 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705

Radius: 3.6

Gravity: 54.4 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 12.44 AU - 14.06 AU

Year: 18569 Days

Day: 15.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,647,964 km

• M1: 44,730 km (0.118 R)
• M2: 349,760 km (0.086 R)
• M3: 485,295 km (0.05 R)
• M4: 1,772,136 km (0.114 R)
• M5: 2,285,407 km (0.077 R)
• M6: 2,439,044 km (0.077 R)
• M7: 3,071,394 km (0.11 R)
• M8: 3,397,368 km (0.096 R)
• M9: 4,446,198 km (0.07 R)
• M10: 4,791,620 km (0.12 R)
• M11: 5,305,040 km (0.104 R)
• M12: 7,826,213 km (0.116 R)
• M13: 8,125,558 km (0.106 R)
• M14: 8,907,057 km (0.066 R)
• M15: 9,737,325 km (0.112 R)
• M16: 10,497,582 km (0.092 R)
• M17: 10,922,889 km (0.12 R)
• M18: 11,359,714 km (0.1 R)
• M19: 12,003,733 km (0.104 R)
• M20: 13,084,129 km (0.072 R)
• M21: 14,823,653 km (0.098 R)
• M22: 20,018,738 km (0.12 R)
• M23: 20,577,786 km (0.094 R)
• M24: 23,019,821 km (0.068 R)
• M25: 26,529,686 km (0.045 R)
• M26: 27,774,490 km (0.087 R)
• M27: 27,889,531 km (0.092 R)
• M28: 29,653,739 km (0.081 R)
• M29: 35,933,708 km (0.111 R)
• M30: 38,019,700 km (0.118 R)
• M31: 39,020,211 km (0.086 R)
• M32: 47,829,431 km (0.115 R)
• M33: 48,659,849 km (0.114 R)
• M34: 52,253,339 km (0.11 R)
• M35: 57,687,482 km (0.051 R)
• M36: 65,298,872 km (0.114 R)
• M37: 68,816,068 km (0.102 R)
• M38: 70,086,902 km (0.099 R)
• M39: 70,514,004 km (0.071 R)
• M40: 70,942,901 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.7

Radius: 5.1

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.35 AU - 17.31 AU

Year: 23109 Days

Day: 20.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,647,964 km

• M1: 66,721 km (0.102 R)
• M2: 274,213 km (0.091 R)
• M3: 645,216 km (0.08 R)
• M4: 1,088,773 km (0.101 R)
• M5: 2,007,603 km (0.089 R)
• M6: 2,227,811 km (0.063 R)
• M7: 3,384,203 km (0.106 R)
• M8: 3,755,954 km (0.095 R)
• M9: 5,833,419 km (0.026 R)
• M10: 6,117,207 km (0.092 R)
• M11: 8,728,587 km (0.07 R)
• M12: 15,157,705 km (0.116 R)
• M13: 15,616,671 km (0.059 R)
• M14: 17,545,287 km (0.058 R)
• M15: 23,963,933 km (0.077 R)
• M16: 24,273,900 km (0.086 R)
• M17: 25,007,528 km (0.037 R)
• M18: 31,048,290 km (0.091 R)
• M19: 40,276,983 km (0.074 R)
• M20: 41,009,115 km (0.044 R)
• M21: 42,048,820 km (0.112 R)
• M22: 47,674,597 km (0.109 R)
• M23: 52,381,994 km (0.065 R)
• M24: 54,313,003 km (0.093 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: 531 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit