🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 11.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.71 AU - 0.77 AU

Year: 424 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,460,678 km

• M1: 145,559 km (0.114 R)
• M2: 1,089,372 km (0.058 R)
• M3: 1,759,421 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 14.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.06 AU - 1.2 AU

Year: 801 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,460,678 km

• M1: 182,809 km (0.096 R)
• M2: 714,031 km (0.082 R)
• M3: 1,381,686 km (0.063 R)
• M4: 2,991,509 km (0.091 R)
• M5: 3,565,067 km (0.067 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.4

Radius: 4.1

Gravity: 24.12 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.09 AU - 7.23 AU

Year: 12776 Days

Day: 18.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,460,678 km

• M1: 51,013 km (0.094 R)
• M2: 385,963 km (0.071 R)
• M3: 665,262 km (0.076 R)
• M4: 1,158,336 km (0.045 R)
• M5: 1,354,758 km (0.114 R)
• M6: 1,502,411 km (0.086 R)
• M7: 1,660,836 km (0.068 R)
• M8: 2,132,966 km (0.081 R)
• M9: 2,468,066 km (0.094 R)
• M10: 2,752,152 km (0.057 R)
• M11: 3,057,631 km (0.091 R)
• M12: 3,458,553 km (0.064 R)
• M13: 3,867,105 km (0.119 R)
• M14: 4,250,225 km (0.105 R)
• M15: 4,965,303 km (0.08 R)
• M16: 7,421,700 km (0.039 R)
• M17: 8,055,546 km (0.117 R)
• M18: 9,286,138 km (0.085 R)
• M19: 11,551,499 km (0.062 R)
• M20: 12,113,239 km (0.102 R)
• M21: 12,870,653 km (0.065 R)
• M22: 13,291,172 km (0.114 R)
• M23: 15,065,702 km (0.117 R)
• M24: 16,009,366 km (0.082 R)
• M25: 17,352,455 km (0.091 R)
• M26: 18,999,079 km (0.03 R)
• M27: 19,153,763 km (0.065 R)
• M28: 21,913,545 km (0.102 R)
• M29: 25,958,372 km (0.027 R)
• M30: 29,016,901 km (0.094 R)
• M31: 35,018,767 km (0.108 R)
• M32: 36,073,582 km (0.067 R)
• M33: 39,616,359 km (0.026 R)
• M34: 41,928,094 km (0.12 R)
• M35: 45,010,708 km (0.038 R)
• M36: 45,285,669 km (0.072 R)
• M37: 45,561,827 km (0.112 R)
• M38: 47,100,441 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.7

Radius: 3.5

Gravity: 42.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.26 AU - 10.3 AU

Year: 20396 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,460,678 km

• M1: 43,982 km (0.061 R)
• M2: 209,437 km (0.085 R)
• M3: 408,701 km (0.107 R)
• M4: 1,462,918 km (0.116 R)
• M5: 1,642,285 km (0.068 R)
• M6: 3,417,414 km (0.1 R)
• M7: 4,068,763 km (0.063 R)
• M8: 6,775,736 km (0.101 R)
• M9: 8,291,163 km (0.078 R)
• M10: 11,150,277 km (0.083 R)
• M11: 14,092,568 km (0.067 R)
• M12: 14,529,992 km (0.031 R)
• M13: 16,291,059 km (0.058 R)
• M14: 27,822,661 km (0.083 R)
• M15: 28,626,151 km (0.105 R)
• M16: 29,681,714 km (0.059 R)
• M17: 33,645,160 km (0.075 R)
• M18: 40,960,645 km (0.027 R)
• M19: 59,191,689 km (0.11 R)
• M20: 61,285,909 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.5

Radius: 3.1

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.85 AU - 10.57 AU

Year: 21755 Days

Day: 22.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,460,678 km

• M1: 138,378 km (0.103 R)
• M2: 276,606 km (0.059 R)
• M3: 438,322 km (0.117 R)
• M4: 893,698 km (0.058 R)
• M5: 2,093,921 km (0.062 R)
• M6: 2,362,450 km (0.039 R)
• M7: 2,776,237 km (0.028 R)
• M8: 3,100,117 km (0.078 R)
• M9: 3,720,349 km (0.097 R)
• M10: 3,874,435 km (0.113 R)
• M11: 3,979,603 km (0.052 R)
• M12: 4,086,565 km (0.05 R)
• M13: 4,533,863 km (0.104 R)
• M14: 4,680,020 km (0.081 R)
• M15: 6,503,319 km (0.08 R)
• M16: 6,802,814 km (0.094 R)
• M17: 8,886,413 km (0.038 R)
• M18: 11,359,116 km (0.057 R)
• M19: 11,793,099 km (0.077 R)
• M20: 13,761,209 km (0.11 R)
• M21: 19,308,747 km (0.107 R)
• M22: 22,023,649 km (0.033 R)
• M23: 22,443,271 km (0.077 R)
• M24: 25,622,674 km (0.091 R)
• M25: 26,180,076 km (0.05 R)
• M26: 26,935,994 km (0.097 R)
• M27: 29,189,836 km (0.102 R)
• M28: 32,747,273 km (0.074 R)
• M29: 33,845,920 km (0.051 R)
• M30: 34,968,951 km (0.09 R)
• M31: 35,654,708 km (0.099 R)
• M32: 37,884,913 km (0.118 R)
• M33: 40,456,201 km (0.068 R)
• M34: 43,272,082 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 17,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit