🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 14.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.6 AU - 0.66 AU

Year: 339 Days

Day: 7.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,415,286 km

• M1: 185,352 km (0.109 R)
• M2: 686,205 km (0.118 R)
• M3: 1,167,462 km (0.096 R)
• M4: 1,864,887 km (0.093 R)
• M5: 2,411,966 km (0.037 R)
• M6: 2,983,730 km (0.111 R)
• M7: 3,610,395 km (0.029 R)
• M8: 4,166,450 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 14.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.48 AU - 1.52 AU

Year: 1246 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,415,286 km

• M1: 183,407 km (0.093 R)
• M2: 691,441 km (0.055 R)
• M3: 1,171,202 km (0.044 R)
• M4: 1,941,631 km (0.116 R)
• M5: 2,765,017 km (0.092 R)
• M6: 4,161,514 km (0.028 R)
• M7: 5,913,604 km (0.083 R)
• M8: 6,405,482 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 8.3

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.33 AU - 1.77 AU

Year: 1309 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,415,286 km

• M1: 103,223 km (0.084 R)
• M2: 379,979 km (0.099 R)
• M3: 683,662 km (0.117 R)
• M4: 980,764 km (0.107 R)
• M5: 1,332,319 km (0.105 R)
• M6: 2,210,608 km (0.104 R)
• M7: 2,581,012 km (0.1 R)
• M8: 3,290,555 km (0.102 R)
• M9: 3,912,284 km (0.033 R)
• M10: 4,609,858 km (0.111 R)
• M11: 5,562,348 km (0.107 R)
• M12: 5,945,767 km (0.118 R)
• M13: 6,665,333 km (0.097 R)
• M14: 9,142,375 km (0.107 R)
• M15: 10,265,705 km (0.094 R)
• M16: 10,947,423 km (0.118 R)
• M17: 11,335,180 km (0.117 R)
• M18: 11,622,857 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 5

Gravity: 24.18 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.27 AU - 6.77 AU

Year: 11292 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 161.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,415,286 km

• M1: 64,776 km (0.119 R)
• M2: 311,164 km (0.036 R)
• M3: 556,953 km (0.104 R)
• M4: 1,166,863 km (0.113 R)
• M5: 1,984,865 km (0.077 R)
• M6: 2,178,743 km (0.057 R)
• M7: 3,107,447 km (0.115 R)
• M8: 3,777,496 km (0.105 R)
• M9: 4,877,040 km (0.11 R)
• M10: 5,198,676 km (0.113 R)
• M11: 6,248,703 km (0.069 R)
• M12: 7,432,920 km (0.064 R)
• M13: 8,256,007 km (0.092 R)
• M14: 9,429,303 km (0.038 R)
• M15: 12,452,826 km (0.102 R)
• M16: 13,672,797 km (0.077 R)
• M17: 13,989,794 km (0.113 R)
• M18: 14,507,254 km (0.1 R)
• M19: 15,037,279 km (0.081 R)
• M20: 16,776,952 km (0.087 R)
• M21: 16,994,318 km (0.082 R)
• M22: 18,109,570 km (0.119 R)
• M23: 23,963,933 km (0.102 R)
• M24: 24,797,642 km (0.051 R)
• M25: 24,985,537 km (0.076 R)
• M26: 25,554,757 km (0.11 R)
• M27: 27,015,879 km (0.094 R)
• M28: 27,414,558 km (0.071 R)
• M29: 28,020,130 km (0.095 R)
• M30: 29,573,105 km (0.116 R)
• M31: 30,209,944 km (0.119 R)
• M32: 32,962,395 km (0.119 R)
• M33: 36,601,812 km (0.109 R)
• M34: 38,079,689 km (0.101 R)
• M35: 39,982,275 km (0.084 R)
• M36: 44,113,420 km (0.119 R)
• M37: 44,805,310 km (0.08 R)
• M38: 45,084,161 km (0.03 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65

Radius: 6.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.97 AU - 8.29 AU

Year: 14295 Days

Day: 17 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,415,286 km

• M1: 77,043 km (0.117 R)
• M2: 816,655 km (0.118 R)
• M3: 1,183,768 km (0.12 R)
• M4: 1,422,377 km (0.098 R)
• M5: 1,808,189 km (0.042 R)
• M6: 2,307,547 km (0.042 R)
• M7: 3,004,823 km (0.102 R)
• M8: 4,605,221 km (0.109 R)
• M9: 7,027,958 km (0.106 R)
• M10: 8,286,824 km (0.102 R)
• M11: 14,189,208 km (0.035 R)
• M12: 22,044,742 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.4

Radius: 5.3

Gravity: 22.8 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.26 AU - 10.32 AU

Year: 19205 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,415,286 km

• M1: 66,272 km (0.111 R)
• M2: 367,861 km (0.106 R)
• M3: 671,096 km (0.077 R)
• M4: 1,182,870 km (0.09 R)
• M5: 2,327,294 km (0.109 R)
• M6: 2,526,708 km (0.118 R)
• M7: 3,062,717 km (0.111 R)
• M8: 3,385,549 km (0.096 R)
• M9: 3,642,259 km (0.085 R)
• M10: 4,457,418 km (0.119 R)
• M11: 7,387,292 km (0.083 R)
• M12: 7,722,242 km (0.119 R)
• M13: 10,005,854 km (0.104 R)
• M14: 14,624,837 km (0.12 R)
• M15: 16,246,778 km (0.072 R)
• M16: 17,308,773 km (0.105 R)
• M17: 18,416,395 km (0.114 R)
• M18: 18,766,454 km (0.093 R)
• M19: 20,677,567 km (0.065 R)
• M20: 21,246,488 km (0.114 R)
• M21: 22,714,641 km (0.07 R)
• M22: 23,016,231 km (0.104 R)
• M23: 25,095,043 km (0.05 R)
• M24: 27,980,337 km (0.082 R)
• M25: 31,951,113 km (0.051 R)
• M26: 34,797,063 km (0.048 R)
• M27: 36,144,940 km (0.114 R)
• M28: 38,515,318 km (0.104 R)
• M29: 43,563,199 km (0.068 R)
• M30: 54,227,583 km (0.088 R)
• M31: 54,406,801 km (0.091 R)
• M32: 59,584,682 km (0.086 R)
• M33: 67,952,290 km (0.101 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: 466 - 18,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit