🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 14.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 5.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,251,011 km

• M1: 176,825 km (0.106 R)
• M2: 654,939 km (0.11 R)
• M3: 1,146,967 km (0.111 R)
• M4: 1,601,595 km (0.089 R)
• M5: 2,283,911 km (0.071 R)
• M6: 3,708,980 km (0.089 R)
• M7: 4,482,700 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.8

Radius: 10.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.88 AU - 1.18 AU

Year: 697 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,251,011 km

• M1: 128,205 km (0.103 R)
• M2: 539,450 km (0.115 R)
• M3: 895,194 km (0.118 R)
• M4: 1,585,737 km (0.111 R)
• M5: 2,648,780 km (0.118 R)
• M6: 3,129,139 km (0.105 R)
• M7: 3,740,096 km (0.069 R)
• M8: 4,185,748 km (0.092 R)
• M9: 4,581,734 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.18 AU - 1.82 AU

Year: 1225 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,251,011 km

• M1: 112,049 km (0.083 R)
• M2: 441,613 km (0.119 R)
• M3: 751,580 km (0.077 R)
• M4: 1,406,818 km (0.084 R)
• M5: 1,707,959 km (0.082 R)
• M6: 2,034,681 km (0.102 R)
• M7: 2,546,156 km (0.064 R)
• M8: 3,022,176 km (0.091 R)
• M9: 3,596,034 km (0.044 R)
• M10: 3,937,266 km (0.068 R)
• M11: 4,862,230 km (0.101 R)
• M12: 6,824,056 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 13

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.37 AU - 2.47 AU

Year: 2510 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,251,011 km

• M1: 161,715 km (0.101 R)
• M2: 701,315 km (0.114 R)
• M3: 1,148,612 km (0.066 R)
• M4: 1,718,580 km (0.103 R)
• M5: 2,162,587 km (0.087 R)
• M6: 2,727,468 km (0.097 R)
• M7: 3,141,555 km (0.087 R)
• M8: 3,945,644 km (0.106 R)
• M9: 4,356,290 km (0.105 R)
• M10: 5,863,189 km (0.067 R)
• M11: 9,528,636 km (0.112 R)
• M12: 10,056,717 km (0.09 R)
• M13: 12,869,007 km (0.107 R)
• M14: 13,558,953 km (0.11 R)
• M15: 15,296,382 km (0.112 R)
• M16: 16,021,483 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.2

Radius: 11.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.31 AU - 3.21 AU

Year: 3058 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,251,011 km

• M1: 141,370 km (0.082 R)
• M2: 752,776 km (0.094 R)
• M3: 1,296,415 km (0.087 R)
• M4: 1,770,790 km (0.038 R)
• M5: 2,740,184 km (0.061 R)
• M6: 3,306,263 km (0.108 R)
• M7: 4,398,925 km (0.035 R)
• M8: 5,319,551 km (0.117 R)
• M9: 5,739,322 km (0.042 R)
• M10: 6,645,586 km (0.119 R)
• M11: 7,697,110 km (0.094 R)
• M12: 11,210,715 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.3

Radius: 11.2

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.7 AU - 5.96 AU

Year: 7079 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,251,011 km

• M1: 142,268 km (0.059 R)
• M2: 607,517 km (0.102 R)
• M3: 964,757 km (0.114 R)
• M4: 1,691,952 km (0.091 R)
• M5: 2,128,179 km (0.091 R)
• M6: 2,976,399 km (0.105 R)
• M7: 4,191,882 km (0.085 R)
• M8: 4,970,688 km (0.12 R)
• M9: 5,616,054 km (0.078 R)
• M10: 6,076,815 km (0.114 R)
• M11: 6,527,105 km (0.093 R)
• M12: 6,888,683 km (0.025 R)
• M13: 7,932,277 km (0.098 R)
• M14: 8,989,785 km (0.106 R)
• M15: 12,782,689 km (0.049 R)
• M16: 13,235,522 km (0.093 R)
• M17: 13,994,282 km (0.062 R)
• M18: 16,711,728 km (0.08 R)
• M19: 19,763,076 km (0.111 R)
• M20: 20,676,969 km (0.052 R)
• M21: 21,144,313 km (0.043 R)
• M22: 21,938,827 km (0.057 R)
• M23: 24,528,815 km (0.081 R)
• M24: 28,068,450 km (0.04 R)
• M25: 29,222,598 km (0.06 R)
• M26: 32,980,795 km (0.028 R)
• M27: 33,619,129 km (0.068 R)
• M28: 35,695,099 km (0.096 R)
• M29: 39,740,674 km (0.093 R)
• M30: 40,101,056 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363

Radius: 7.8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.6 AU - 7.08 AU

Year: 9411 Days

Day: 25 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,251,011 km

• M1: 109,805 km (0.102 R)
• M2: 355,893 km (0.117 R)
• M3: 636,689 km (0.086 R)
• M4: 903,870 km (0.057 R)
• M5: 1,948,662 km (0.077 R)
• M6: 2,546,904 km (0.063 R)
• M7: 4,881,977 km (0.071 R)
• M8: 5,914,950 km (0.072 R)
• M9: 7,727,628 km (0.117 R)
• M10: 8,823,881 km (0.112 R)
• M11: 9,343,135 km (0.107 R)
• M12: 11,727,875 km (0.083 R)
• M13: 17,258,059 km (0.11 R)
• M14: 20,959,559 km (0.062 R)
• M15: 26,377,845 km (0.057 R)
• M16: 27,545,007 km (0.104 R)
• M17: 28,652,630 km (0.114 R)
• M18: 29,502,645 km (0.102 R)
• M19: 31,751,101 km (0.119 R)
• M20: 32,052,690 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 13,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit