🌌 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: 421.5

Radius: 12.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.54 AU - 0.64 AU

Year: 302 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,972,761 km

• M1: 157,975 km (0.119 R)
• M2: 554,709 km (0.065 R)
• M3: 957,875 km (0.066 R)
• M4: 1,798,765 km (0.056 R)
• M5: 2,236,488 km (0.094 R)
• M6: 3,076,630 km (0.099 R)
• M7: 3,613,237 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.4

Radius: 8.3

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.4 AU - 1.52 AU

Year: 1176 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,972,761 km

• M1: 104,270 km (0.067 R)
• M2: 455,226 km (0.11 R)
• M3: 822,788 km (0.041 R)
• M4: 1,907,971 km (0.04 R)
• M5: 2,170,067 km (0.062 R)
• M6: 2,701,139 km (0.067 R)
• M7: 3,781,086 km (0.042 R)
• M8: 4,056,047 km (0.114 R)
• M9: 4,802,391 km (0.111 R)
• M10: 5,527,791 km (0.054 R)
• M11: 6,348,186 km (0.117 R)
• M12: 6,787,704 km (0.067 R)
• M13: 7,755,004 km (0.086 R)
• M14: 9,234,976 km (0.115 R)
• M15: 12,216,761 km (0.043 R)
• M16: 12,629,651 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 9

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.28 AU - 1.94 AU

Year: 1362 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,972,761 km

• M1: 111,899 km (0.082 R)
• M2: 585,676 km (0.057 R)
• M3: 892,202 km (0.069 R)
• M4: 1,613,114 km (0.06 R)
• M5: 2,250,700 km (0.108 R)
• M6: 3,251,061 km (0.108 R)
• M7: 3,637,921 km (0.092 R)
• M8: 4,411,940 km (0.088 R)
• M9: 5,631,163 km (0.091 R)
• M10: 7,291,550 km (0.101 R)
• M11: 7,874,832 km (0.111 R)
• M12: 9,346,576 km (0.096 R)
• M13: 9,907,418 km (0.037 R)
• M14: 10,824,154 km (0.116 R)
• M15: 12,157,221 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 9.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.33 AU - 1.99 AU

Year: 1426 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,972,761 km

• M1: 121,922 km (0.096 R)
• M2: 629,508 km (0.11 R)
• M3: 1,118,094 km (0.106 R)
• M4: 1,509,742 km (0.066 R)
• M5: 1,839,605 km (0.107 R)
• M6: 2,154,808 km (0.115 R)
• M7: 2,529,550 km (0.055 R)
• M8: 3,026,215 km (0.059 R)
• M9: 3,469,474 km (0.045 R)
• M10: 4,248,879 km (0.097 R)
• M11: 4,915,936 km (0.097 R)
• M12: 5,352,612 km (0.109 R)
• M13: 7,029,754 km (0.081 R)
• M14: 7,535,544 km (0.116 R)
• M15: 7,937,214 km (0.069 R)
• M16: 8,459,161 km (0.096 R)
• M17: 9,399,085 km (0.072 R)
• M18: 9,717,578 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 12

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.76 AU - 2.88 AU

Year: 3158 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,972,761 km

• M1: 150,944 km (0.069 R)
• M2: 533,616 km (0.05 R)
• M3: 960,418 km (0.085 R)
• M4: 1,522,458 km (0.034 R)
• M5: 2,648,331 km (0.089 R)
• M6: 3,093,086 km (0.085 R)
• M7: 4,534,760 km (0.12 R)
• M8: 5,857,654 km (0.06 R)
• M9: 6,364,492 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 10.3

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.9 AU - 4.14 AU

Year: 5375 Days

Day: 7.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,972,761 km

• M1: 128,355 km (0.081 R)
• M2: 663,317 km (0.097 R)
• M3: 1,005,896 km (0.059 R)
• M4: 1,470,098 km (0.046 R)
• M5: 1,985,164 km (0.102 R)
• M6: 2,359,757 km (0.073 R)
• M7: 2,837,872 km (0.094 R)
• M8: 3,509,117 km (0.113 R)
• M9: 4,183,504 km (0.078 R)
• M10: 4,724,151 km (0.119 R)
• M11: 5,820,704 km (0.037 R)
• M12: 6,462,030 km (0.117 R)
• M13: 7,150,030 km (0.041 R)
• M14: 7,622,760 km (0.101 R)
• M15: 8,311,807 km (0.076 R)
• M16: 9,083,732 km (0.094 R)
• M17: 9,551,974 km (0.075 R)
• M18: 11,006,364 km (0.093 R)
• M19: 11,886,748 km (0.073 R)
• M20: 14,693,802 km (0.092 R)
• M21: 15,882,208 km (0.046 R)
• M22: 17,391,650 km (0.05 R)
• M23: 19,063,406 km (0.103 R)
• M24: 21,281,943 km (0.032 R)
• M25: 23,987,570 km (0.101 R)
• M26: 30,542,051 km (0.094 R)
• M27: 33,266,976 km (0.109 R)
• M28: 33,972,779 km (0.08 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 11,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit