🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 9.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,746,187 km

• M1: 120,725 km (0.109 R)
• M2: 439,967 km (0.096 R)
• M3: 748,887 km (0.079 R)
• M4: 1,080,695 km (0.067 R)
• M5: 1,471,744 km (0.091 R)
• M6: 1,817,165 km (0.106 R)
• M7: 2,210,309 km (0.032 R)
• M8: 2,515,787 km (0.027 R)

Asteroid Belt

Center: 1.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 14.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.75 AU - 2.83 AU

Year: 2436 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,746,187 km

• M1: 176,675 km (0.071 R)
• M2: 772,972 km (0.103 R)
• M3: 1,267,842 km (0.087 R)
• M4: 1,949,260 km (0.088 R)
• M5: 3,817,438 km (0.111 R)
• M6: 4,274,161 km (0.112 R)
• M7: 4,886,914 km (0.104 R)
• M8: 7,241,435 km (0.086 R)
• M9: 10,074,519 km (0.08 R)
• M10: 12,674,380 km (0.111 R)
• M11: 13,378,687 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 11.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.68 AU - 4.46 AU

Year: 4741 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,746,187 km

• M1: 164,109 km (0.097 R)
• M2: 653,443 km (0.079 R)
• M3: 1,135,149 km (0.095 R)
• M4: 1,747,004 km (0.105 R)
• M5: 2,228,859 km (0.109 R)
• M6: 2,656,409 km (0.067 R)
• M7: 3,298,633 km (0.111 R)
• M8: 4,018,797 km (0.107 R)
• M9: 4,761,700 km (0.105 R)
• M10: 5,892,361 km (0.095 R)
• M11: 6,264,411 km (0.104 R)
• M12: 8,099,827 km (0.081 R)
• M13: 8,639,277 km (0.052 R)
• M14: 10,994,696 km (0.063 R)
• M15: 11,465,031 km (0.086 R)
• M16: 13,857,999 km (0.043 R)
• M17: 14,574,722 km (0.112 R)
• M18: 15,027,854 km (0.118 R)
• M19: 16,082,220 km (0.097 R)
• M20: 21,444,256 km (0.109 R)
• M21: 24,805,571 km (0.071 R)
• M22: 25,862,330 km (0.044 R)
• M23: 29,571,909 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 11.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.31 AU - 4.95 AU

Year: 5900 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,746,187 km

• M1: 147,204 km (0.12 R)
• M2: 665,711 km (0.088 R)
• M3: 1,118,244 km (0.083 R)
• M4: 1,501,963 km (0.107 R)
• M5: 1,893,909 km (0.108 R)
• M6: 2,386,086 km (0.115 R)
• M7: 2,766,513 km (0.119 R)
• M8: 3,245,825 km (0.051 R)
• M9: 3,911,685 km (0.113 R)
• M10: 5,239,965 km (0.102 R)
• M11: 7,079,121 km (0.099 R)
• M12: 7,695,763 km (0.113 R)
• M13: 8,236,859 km (0.114 R)
• M14: 8,919,474 km (0.085 R)
• M15: 10,484,268 km (0.097 R)
• M16: 12,176,668 km (0.116 R)
• M17: 12,962,207 km (0.12 R)
• M18: 14,798,521 km (0.114 R)
• M19: 15,693,265 km (0.074 R)
• M20: 18,722,622 km (0.067 R)
• M21: 21,622,876 km (0.109 R)
• M22: 22,121,785 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.1

Radius: 7.7

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.96 AU - 6.8 AU

Year: 11328 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,746,187 km

• M1: 95,743 km (0.09 R)
• M2: 335,548 km (0.093 R)
• M3: 607,517 km (0.103 R)
• M4: 1,450,800 km (0.064 R)
• M5: 1,724,115 km (0.053 R)
• M6: 2,068,340 km (0.118 R)
• M7: 2,781,623 km (0.094 R)
• M8: 3,207,378 km (0.073 R)
• M9: 3,786,173 km (0.11 R)
• M10: 4,100,777 km (0.082 R)
• M11: 5,756,526 km (0.074 R)
• M12: 6,569,441 km (0.057 R)
• M13: 8,959,416 km (0.079 R)
• M14: 12,803,184 km (0.106 R)
• M15: 13,711,991 km (0.062 R)
• M16: 16,470,127 km (0.118 R)
• M17: 17,232,777 km (0.072 R)
• M18: 18,178,834 km (0.062 R)
• M19: 19,158,999 km (0.075 R)
• M20: 24,300,529 km (0.083 R)
• M21: 25,690,891 km (0.103 R)
• M22: 27,981,683 km (0.082 R)
• M23: 32,371,334 km (0.078 R)
• M24: 33,445,746 km (0.066 R)
• M25: 35,289,091 km (0.037 R)
• M26: 35,539,817 km (0.079 R)
• M27: 36,045,009 km (0.054 R)
• M28: 36,426,932 km (0.089 R)
• M29: 36,811,698 km (0.08 R)
• M30: 37,458,858 km (0.093 R)
• M31: 39,176,840 km (0.108 R)
• M32: 41,085,110 km (0.059 R)
• M33: 46,125,362 km (0.1 R)
• M34: 48,406,281 km (0.089 R)
• M35: 53,356,175 km (0.1 R)
• M36: 55,022,097 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.6

Radius: 6.5

Gravity: 20.61 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.83 AU - 11.11 AU

Year: 20485 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,746,187 km

• M1: 80,783 km (0.093 R)
• M2: 300,692 km (0.1 R)
• M3: 833,709 km (0.078 R)
• M4: 1,266,645 km (0.108 R)
• M5: 1,637,797 km (0.101 R)
• M6: 2,163,933 km (0.092 R)
• M7: 4,528,328 km (0.094 R)
• M8: 4,892,598 km (0.118 R)
• M9: 8,066,168 km (0.09 R)
• M10: 8,822,834 km (0.107 R)
• M11: 9,047,380 km (0.076 R)
• M12: 9,863,885 km (0.104 R)
• M13: 10,228,455 km (0.118 R)
• M14: 10,984,373 km (0.088 R)
• M15: 11,981,144 km (0.111 R)
• M16: 14,076,711 km (0.109 R)
• M17: 15,251,204 km (0.114 R)
• M18: 21,808,228 km (0.109 R)
• M19: 22,740,821 km (0.119 R)
• M20: 25,926,358 km (0.105 R)
• M21: 30,025,639 km (0.058 R)
• M22: 42,917,535 km (0.12 R)
• M23: 43,725,662 km (0.113 R)
• M24: 44,051,786 km (0.07 R)
• M25: 44,874,275 km (0.066 R)
• M26: 50,202,801 km (0.098 R)
• M27: 50,739,858 km (0.094 R)
• M28: 55,174,687 km (0.057 R)
• M29: 57,486,123 km (0.117 R)
• M30: 59,062,287 km (0.104 R)
• M31: 61,480,387 km (0.095 R)
• M32: 63,336,746 km (0.089 R)
• M33: 75,968,641 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 16,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit