🌌 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: 475.9

Radius: 12.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.63 AU - 0.85 AU

Year: 411 Days

Day: 9.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,427,920 km

• M1: 154,235 km (0.038 R)
• M2: 552,166 km (0.08 R)
• M3: 1,333,815 km (0.07 R)
• M4: 2,230,504 km (0.077 R)
• M5: 2,664,039 km (0.06 R)
• M6: 3,218,000 km (0.037 R)
• M7: 3,609,946 km (0.1 R)
• M8: 4,084,321 km (0.118 R)
• M9: 4,711,585 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 10.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.76 AU - 1.86 AU

Year: 1572 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,427,920 km

• M1: 132,993 km (0.054 R)
• M2: 680,820 km (0.115 R)
• M3: 1,292,077 km (0.081 R)
• M4: 1,817,016 km (0.077 R)
• M5: 2,527,755 km (0.106 R)
• M6: 3,158,161 km (0.102 R)
• M7: 3,518,392 km (0.103 R)
• M8: 4,515,313 km (0.054 R)
• M9: 5,147,513 km (0.068 R)
• M10: 5,837,758 km (0.109 R)
• M11: 7,553,047 km (0.09 R)
• M12: 8,069,309 km (0.094 R)
• M13: 10,405,130 km (0.115 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.5

Radius: 3.6

Gravity: 48.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.07 AU - 6.11 AU

Year: 9704 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,427,920 km

• M1: 44,879 km (0.056 R)
• M2: 214,224 km (0.115 R)
• M3: 376,837 km (0.083 R)
• M4: 697,425 km (0.089 R)
• M5: 844,181 km (0.118 R)
• M6: 2,028,697 km (0.1 R)
• M7: 2,149,422 km (0.067 R)
• M8: 2,640,552 km (0.077 R)
• M9: 2,784,764 km (0.119 R)
• M10: 2,934,063 km (0.118 R)
• M11: 3,066,457 km (0.077 R)
• M12: 3,225,779 km (0.07 R)
• M13: 4,767,385 km (0.11 R)
• M14: 5,170,102 km (0.105 R)
• M15: 5,696,537 km (0.06 R)
• M16: 12,768,477 km (0.05 R)
• M17: 13,003,496 km (0.113 R)
• M18: 13,971,843 km (0.104 R)
• M19: 14,987,463 km (0.035 R)
• M20: 16,051,253 km (0.081 R)
• M21: 16,951,832 km (0.117 R)
• M22: 17,594,804 km (0.071 R)
• M23: 17,739,764 km (0.102 R)
• M24: 20,569,109 km (0.112 R)
• M25: 20,973,023 km (0.051 R)
• M26: 22,899,844 km (0.094 R)
• M27: 25,308,519 km (0.105 R)
• M28: 30,726,655 km (0.091 R)
• M29: 31,467,164 km (0.086 R)
• M30: 37,945,799 km (0.072 R)
• M31: 38,066,824 km (0.038 R)
• M32: 39,043,698 km (0.085 R)
• M33: 39,290,534 km (0.119 R)
• M34: 40,037,327 km (0.099 R)
• M35: 43,118,893 km (0.077 R)
• M36: 43,514,879 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.2

Radius: 7.7

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.36 AU - 7.18 AU

Year: 10137 Days

Day: 15.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,427,920 km

• M1: 124,914 km (0.119 R)
• M2: 364,869 km (0.073 R)
• M3: 670,946 km (0.083 R)
• M4: 1,574,368 km (0.084 R)
• M5: 5,566,238 km (0.072 R)
• M6: 6,343,099 km (0.067 R)
• M7: 7,023,321 km (0.091 R)
• M8: 8,575,698 km (0.114 R)
• M9: 14,051,130 km (0.073 R)
• M10: 15,134,517 km (0.048 R)
• M11: 16,492,268 km (0.052 R)
• M12: 17,162,915 km (0.113 R)
• M13: 18,798,468 km (0.045 R)
• M14: 19,778,334 km (0.117 R)
• M15: 22,921,984 km (0.102 R)
• M16: 27,507,308 km (0.112 R)
• M17: 29,090,503 km (0.116 R)
• M18: 30,178,977 km (0.054 R)
• M19: 31,634,415 km (0.088 R)
• M20: 32,785,271 km (0.099 R)
• M21: 33,371,096 km (0.057 R)
• M22: 40,016,682 km (0.112 R)
• M23: 44,001,371 km (0.096 R)
• M24: 46,162,612 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.4

Radius: 4.4

Gravity: 34.63 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.82 AU - 9.22 AU

Year: 14665 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,427,920 km

• M1: 55,202 km (0.092 R)
• M2: 400,922 km (0.061 R)
• M3: 575,802 km (0.105 R)
• M4: 782,098 km (0.113 R)
• M5: 924,515 km (0.114 R)
• M6: 1,402,031 km (0.048 R)
• M7: 1,678,937 km (0.067 R)
• M8: 1,865,485 km (0.065 R)
• M9: 3,723,341 km (0.06 R)
• M10: 4,131,744 km (0.119 R)
• M11: 5,951,003 km (0.103 R)
• M12: 6,632,272 km (0.056 R)
• M13: 7,363,955 km (0.094 R)
• M14: 8,784,237 km (0.119 R)
• M15: 9,611,813 km (0.114 R)
• M16: 12,917,627 km (0.049 R)
• M17: 18,348,628 km (0.061 R)
• M18: 19,867,794 km (0.074 R)
• M19: 22,113,856 km (0.111 R)
• M20: 27,209,310 km (0.034 R)
• M21: 27,855,872 km (0.088 R)
• M22: 29,516,857 km (0.054 R)
• M23: 37,347,856 km (0.118 R)
• M24: 39,364,436 km (0.065 R)
• M25: 42,451,837 km (0.078 R)
• M26: 42,740,112 km (0.078 R)
• M27: 56,068,384 km (0.055 R)
• M28: 56,764,164 km (0.105 R)
• M29: 60,329,829 km (0.102 R)
• M30: 60,694,399 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 13,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit