🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 9.2

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.49 AU - 0.75 AU

Year: 331 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,126,801 km

• M1: 114,442 km (0.069 R)
• M2: 487,390 km (0.1 R)
• M3: 807,081 km (0.073 R)
• M4: 1,145,172 km (0.109 R)
• M5: 1,619,995 km (0.087 R)
• M6: 2,111,125 km (0.069 R)
• M7: 2,866,445 km (0.057 R)
• M8: 3,272,005 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 12.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.49 AU - 4.09 AU

Year: 5004 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,126,801 km

• M1: 199,414 km (0.12 R)
• M2: 946,955 km (0.067 R)
• M3: 1,589,627 km (0.082 R)
• M4: 2,005,210 km (0.081 R)
• M5: 3,673,376 km (0.047 R)
• M6: 4,567,971 km (0.073 R)
• M7: 5,572,969 km (0.091 R)
• M8: 9,015,067 km (0.036 R)
• M9: 9,436,035 km (0.115 R)
• M10: 10,685,178 km (0.097 R)
• M11: 12,142,710 km (0.114 R)
• M12: 13,078,743 km (0.091 R)
• M13: 13,509,885 km (0.095 R)
• M14: 17,309,521 km (0.065 R)
• M15: 18,833,474 km (0.102 R)
• M16: 19,523,270 km (0.1 R)
• M17: 24,833,247 km (0.114 R)
• M18: 25,412,190 km (0.096 R)
• M19: 27,641,647 km (0.112 R)
• M20: 28,352,985 km (0.025 R)
• M21: 33,679,866 km (0.09 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.4

Radius: 6.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.92 AU - 6.94 AU

Year: 9794 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,126,801 km

• M1: 85,869 km (0.119 R)
• M2: 416,780 km (0.065 R)
• M3: 772,523 km (0.094 R)
• M4: 2,768,608 km (0.119 R)
• M5: 3,121,360 km (0.094 R)
• M6: 3,916,921 km (0.119 R)
• M7: 4,866,718 km (0.12 R)
• M8: 5,325,684 km (0.099 R)
• M9: 6,777,831 km (0.093 R)
• M10: 7,009,707 km (0.053 R)
• M11: 8,249,724 km (0.066 R)
• M12: 9,100,188 km (0.114 R)
• M13: 10,527,801 km (0.083 R)
• M14: 11,954,067 km (0.089 R)
• M15: 20,635,530 km (0.075 R)
• M16: 21,193,979 km (0.065 R)
• M17: 21,906,364 km (0.113 R)
• M18: 24,447,583 km (0.103 R)
• M19: 25,230,728 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.2

Radius: 7.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.93 AU - 9.19 AU

Year: 18496 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,126,801 km

• M1: 94,695 km (0.101 R)
• M2: 1,004,101 km (0.097 R)
• M3: 2,913,269 km (0.107 R)
• M4: 3,678,312 km (0.106 R)
• M5: 3,961,202 km (0.104 R)
• M6: 4,305,576 km (0.097 R)
• M7: 4,694,680 km (0.059 R)
• M8: 6,872,825 km (0.069 R)
• M9: 7,169,029 km (0.063 R)
• M10: 7,928,837 km (0.118 R)
• M11: 8,254,661 km (0.107 R)
• M12: 14,981,180 km (0.109 R)
• M13: 17,892,504 km (0.117 R)
• M14: 21,368,560 km (0.12 R)
• M15: 23,227,912 km (0.113 R)
• M16: 24,883,212 km (0.11 R)
• M17: 25,504,193 km (0.045 R)
• M18: 26,215,232 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.7

Radius: 4.3

Gravity: 30.92 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.11 AU - 11.31 AU

Year: 18957 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,126,801 km

• M1: 54,603 km (0.071 R)
• M2: 194,926 km (0.1 R)
• M3: 893,847 km (0.115 R)
• M4: 1,172,099 km (0.115 R)
• M5: 1,397,992 km (0.119 R)
• M6: 1,703,471 km (0.054 R)
• M7: 2,253,842 km (0.112 R)
• M8: 2,446,524 km (0.088 R)
• M9: 3,249,415 km (0.103 R)
• M10: 3,695,965 km (0.115 R)
• M11: 3,873,687 km (0.075 R)
• M12: 6,347,737 km (0.104 R)
• M13: 7,270,756 km (0.034 R)
• M14: 8,791,717 km (0.096 R)
• M15: 9,598,648 km (0.06 R)
• M16: 10,571,483 km (0.084 R)
• M17: 12,118,924 km (0.079 R)
• M18: 12,314,298 km (0.097 R)
• M19: 13,811,324 km (0.119 R)
• M20: 19,110,380 km (0.091 R)
• M21: 20,183,745 km (0.096 R)
• M22: 20,828,212 km (0.109 R)
• M23: 23,644,243 km (0.029 R)
• M24: 28,271,155 km (0.079 R)
• M25: 34,498,765 km (0.117 R)
• M26: 34,891,160 km (0.111 R)
• M27: 37,308,363 km (0.117 R)
• M28: 39,406,174 km (0.068 R)
• M29: 41,286,619 km (0.1 R)
• M30: 43,377,847 km (0.078 R)
• M31: 43,529,839 km (0.113 R)
• M32: 47,446,610 km (0.088 R)
• M33: 52,621,649 km (0.108 R)
• M34: 57,424,639 km (0.111 R)
• M35: 57,791,602 km (0.052 R)
• M36: 58,345,114 km (0.083 R)
• M37: 58,530,317 km (0.119 R)
• M38: 67,890,954 km (0.055 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 12,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit