🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.2

Radius: 11.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,899,502 km

• M1: 146,905 km (0.103 R)
• M2: 551,867 km (0.087 R)
• M3: 920,775 km (0.087 R)
• M4: 1,459,178 km (0.115 R)
• M5: 1,883,736 km (0.109 R)
• M6: 2,501,725 km (0.106 R)
• M7: 3,007,216 km (0.114 R)
• M8: 3,498,496 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.1

Radius: 12.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.64 AU - 0.84 AU

Year: 424 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,899,502 km

• M1: 159,172 km (0.086 R)
• M2: 788,830 km (0.079 R)
• M3: 1,287,439 km (0.026 R)
• M4: 1,692,999 km (0.095 R)
• M5: 2,405,085 km (0.04 R)
• M6: 3,055,686 km (0.064 R)
• M7: 3,490,567 km (0.103 R)
• M8: 4,313,505 km (0.069 R)
• M9: 4,832,909 km (0.114 R)
• M10: 5,327,479 km (0.106 R)
• M11: 6,307,345 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 12.6

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.1 AU - 1.84 AU

Year: 1189 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 113.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,899,502 km

• M1: 157,377 km (0.036 R)
• M2: 650,900 km (0.109 R)
• M3: 1,044,343 km (0.107 R)
• M4: 1,740,122 km (0.117 R)
• M5: 2,161,689 km (0.109 R)
• M6: 3,020,082 km (0.088 R)
• M7: 3,422,350 km (0.099 R)
• M8: 4,266,232 km (0.081 R)
• M9: 4,870,757 km (0.062 R)
• M10: 6,694,505 km (0.084 R)
• M11: 7,258,040 km (0.071 R)
• M12: 8,792,316 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 12.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.17 AU - 1.87 AU

Year: 1250 Days

Day: 5.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,899,502 km

• M1: 151,692 km (0.095 R)
• M2: 563,984 km (0.078 R)
• M3: 988,543 km (0.113 R)
• M4: 1,462,618 km (0.11 R)
• M5: 1,855,911 km (0.069 R)
• M6: 2,261,172 km (0.048 R)
• M7: 2,760,081 km (0.113 R)
• M8: 3,384,203 km (0.086 R)
• M9: 3,836,886 km (0.047 R)
• M10: 4,376,785 km (0.112 R)
• M11: 4,831,413 km (0.112 R)
• M12: 5,246,248 km (0.096 R)
• M13: 5,684,719 km (0.088 R)
• M14: 6,147,724 km (0.108 R)
• M15: 6,740,730 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 11.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.18 AU - 2.82 AU

Year: 2636 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,899,502 km

• M1: 143,016 km (0.103 R)
• M2: 635,043 km (0.063 R)
• M3: 1,076,656 km (0.101 R)
• M4: 1,465,610 km (0.086 R)
• M5: 2,446,823 km (0.109 R)
• M6: 2,981,934 km (0.037 R)
• M7: 3,375,676 km (0.079 R)
• M8: 4,022,836 km (0.116 R)
• M9: 4,834,854 km (0.049 R)
• M10: 5,472,739 km (0.112 R)
• M11: 9,439,027 km (0.11 R)
• M12: 9,946,613 km (0.1 R)
• M13: 10,365,786 km (0.098 R)
• M14: 11,090,438 km (0.067 R)
• M15: 11,579,474 km (0.111 R)
• M16: 11,965,286 km (0.077 R)
• M17: 13,510,932 km (0.059 R)
• M18: 14,464,319 km (0.058 R)
• M19: 14,867,036 km (0.11 R)
• M20: 15,555,037 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249

Radius: 7.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 9.21 AU - 12.65 AU

Year: 24097 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,899,502 km

• M1: 97,089 km (0.059 R)
• M2: 414,835 km (0.073 R)
• M3: 673,639 km (0.102 R)
• M4: 1,359,845 km (0.119 R)
• M5: 2,446,524 km (0.047 R)
• M6: 3,033,396 km (0.119 R)
• M7: 3,282,776 km (0.12 R)
• M8: 3,823,273 km (0.113 R)
• M9: 8,003,187 km (0.084 R)
• M10: 8,728,737 km (0.04 R)
• M11: 9,031,074 km (0.1 R)
• M12: 11,585,906 km (0.116 R)
• M13: 14,099,749 km (0.094 R)
• M14: 17,586,127 km (0.102 R)
• M15: 19,915,217 km (0.04 R)
• M16: 20,973,472 km (0.05 R)
• M17: 21,425,257 km (0.081 R)
• M18: 22,536,321 km (0.095 R)
• M19: 23,010,396 km (0.085 R)
• M20: 23,587,994 km (0.119 R)
• M21: 27,580,611 km (0.095 R)
• M22: 28,342,065 km (0.09 R)
• M23: 30,826,287 km (0.096 R)
• M24: 31,293,032 km (0.098 R)
• M25: 39,828,937 km (0.079 R)
• M26: 42,361,180 km (0.072 R)
• M27: 43,813,476 km (0.089 R)
• M28: 44,107,885 km (0.037 R)
• M29: 47,124,676 km (0.088 R)
• M30: 48,212,252 km (0.11 R)
• M31: 56,996,041 km (0.048 R)
• M32: 60,752,294 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.3

Radius: 5.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.46 AU - 12.54 AU

Year: 24329 Days

Day: 15.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,899,502 km

• M1: 73,303 km (0.109 R)
• M2: 608,115 km (0.071 R)
• M3: 1,134,999 km (0.105 R)
• M4: 4,993,128 km (0.073 R)
• M5: 5,555,616 km (0.1 R)
• M6: 9,849,075 km (0.12 R)
• M7: 16,884,513 km (0.084 R)
• M8: 18,724,717 km (0.104 R)
• M9: 19,316,825 km (0.118 R)
• M10: 19,693,213 km (0.066 R)
• M11: 20,074,538 km (0.088 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: 158 - 12,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit