🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.6

Radius: 12.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.29 AU - 4.11 AU

Year: 4595 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,067,598 km

• M1: 153,188 km (0.054 R)
• M2: 636,838 km (0.113 R)
• M3: 1,092,812 km (0.12 R)
• M4: 2,076,718 km (0.106 R)
• M5: 3,632,835 km (0.064 R)
• M6: 4,061,433 km (0.106 R)
• M7: 5,283,647 km (0.11 R)
• M8: 6,225,815 km (0.096 R)
• M9: 7,166,636 km (0.09 R)
• M10: 7,991,518 km (0.082 R)
• M11: 9,038,105 km (0.085 R)
• M12: 10,419,192 km (0.103 R)
• M13: 11,104,949 km (0.108 R)
• M14: 13,136,488 km (0.106 R)
• M15: 13,894,351 km (0.1 R)
• M16: 14,459,532 km (0.107 R)
• M17: 14,904,735 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 14.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.98 AU - 4.42 AU

Year: 4595 Days

Day: 8.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,067,598 km

• M1: 185,352 km (0.06 R)
• M2: 798,703 km (0.114 R)
• M3: 1,595,012 km (0.033 R)
• M4: 2,764,269 km (0.059 R)
• M5: 4,363,770 km (0.06 R)
• M6: 6,627,784 km (0.114 R)
• M7: 8,585,721 km (0.079 R)
• M8: 11,544,617 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 14

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.94 AU - 3.96 AU

Year: 5069 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,067,598 km

• M1: 174,132 km (0.092 R)
• M2: 631,453 km (0.12 R)
• M3: 1,098,647 km (0.059 R)
• M4: 2,169,319 km (0.112 R)
• M5: 2,780,276 km (0.029 R)
• M6: 3,694,918 km (0.084 R)
• M7: 4,966,649 km (0.083 R)
• M8: 5,638,493 km (0.099 R)
• M9: 6,686,277 km (0.101 R)
• M10: 7,164,840 km (0.078 R)
• M11: 8,428,194 km (0.059 R)
• M12: 8,951,937 km (0.068 R)
• M13: 9,949,605 km (0.052 R)
• M14: 12,475,864 km (0.111 R)
• M15: 13,250,183 km (0.115 R)
• M16: 14,644,884 km (0.106 R)
• M17: 18,181,377 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.4

Radius: 4.6

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.04 AU - 6.04 AU

Year: 9585 Days

Day: 20.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,067,598 km

• M1: 103,073 km (0.095 R)
• M2: 378,632 km (0.082 R)
• M3: 594,053 km (0.093 R)
• M4: 763,548 km (0.086 R)
• M5: 1,662,182 km (0.105 R)
• M6: 1,932,057 km (0.116 R)
• M7: 2,153,312 km (0.039 R)
• M8: 2,901,152 km (0.086 R)
• M9: 4,971,586 km (0.116 R)
• M10: 8,046,121 km (0.114 R)
• M11: 9,466,852 km (0.076 R)
• M12: 9,761,261 km (0.077 R)
• M13: 16,161,656 km (0.057 R)
• M14: 17,508,187 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.6

Radius: 5.4

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.3 AU - 12.48 AU

Year: 21624 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,067,598 km

• M1: 72,106 km (0.068 R)
• M2: 327,470 km (0.087 R)
• M3: 1,037,760 km (0.118 R)
• M4: 1,295,368 km (0.102 R)
• M5: 1,531,583 km (0.07 R)
• M6: 2,033,334 km (0.086 R)
• M7: 2,250,251 km (0.073 R)
• M8: 2,896,963 km (0.064 R)
• M9: 3,120,911 km (0.113 R)
• M10: 3,464,836 km (0.076 R)
• M11: 4,354,794 km (0.093 R)
• M12: 4,992,081 km (0.065 R)
• M13: 6,121,694 km (0.025 R)
• M14: 7,320,721 km (0.092 R)
• M15: 7,879,619 km (0.108 R)
• M16: 8,267,826 km (0.1 R)
• M17: 9,837,556 km (0.094 R)
• M18: 10,692,508 km (0.1 R)
• M19: 11,534,145 km (0.111 R)
• M20: 15,796,937 km (0.027 R)
• M21: 16,649,046 km (0.118 R)
• M22: 22,415,446 km (0.095 R)
• M23: 23,391,273 km (0.118 R)
• M24: 23,589,789 km (0.11 R)
• M25: 25,322,731 km (0.117 R)
• M26: 27,138,699 km (0.115 R)
• M27: 28,925,496 km (0.048 R)
• M28: 31,387,728 km (0.066 R)
• M29: 32,980,047 km (0.119 R)
• M30: 34,368,764 km (0.115 R)
• M31: 34,883,381 km (0.11 R)
• M32: 38,768,288 km (0.094 R)
• M33: 39,747,406 km (0.111 R)
• M34: 43,229,596 km (0.098 R)
• M35: 43,528,642 km (0.062 R)
• M36: 49,312,844 km (0.11 R)
• M37: 49,803,226 km (0.11 R)
• M38: 52,813,284 km (0.09 R)
• M39: 55,236,770 km (0.102 R)
• M40: 55,412,547 km (0.11 R)
• M41: 64,301,503 km (0.095 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: 520 - 16,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit