🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 11

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.55 AU - 0.67 AU

Year: 335 Days

Day: 9.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,824,867 km

• M1: 138,528 km (0.104 R)
• M2: 610,509 km (0.077 R)
• M3: 970,292 km (0.088 R)
• M4: 1,392,158 km (0.115 R)
• M5: 1,963,322 km (0.108 R)
• M6: 2,694,258 km (0.034 R)
• M7: 3,466,183 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 13.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.62 AU - 0.8 AU

Year: 421 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,824,867 km

• M1: 171,439 km (0.053 R)
• M2: 625,170 km (0.094 R)
• M3: 1,102,836 km (0.075 R)
• M4: 1,603,689 km (0.093 R)
• M5: 2,180,090 km (0.108 R)
• M6: 2,946,031 km (0.05 R)
• M7: 3,547,714 km (0.058 R)
• M8: 4,122,319 km (0.103 R)
• M9: 4,582,781 km (0.082 R)
• M10: 5,062,093 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 14.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.56 AU - 0.88 AU

Year: 429 Days

Day: 12.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,824,867 km

• M1: 180,415 km (0.104 R)
• M2: 639,531 km (0.1 R)
• M3: 1,210,995 km (0.052 R)
• M4: 1,971,550 km (0.112 R)
• M5: 2,900,104 km (0.066 R)
• M6: 4,031,812 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.82 AU - 0.86 AU

Year: 541 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,824,867 km

• M1: 178,021 km (0.071 R)
• M2: 663,167 km (0.052 R)
• M3: 1,377,796 km (0.118 R)
• M4: 2,034,681 km (0.056 R)
• M5: 2,549,896 km (0.065 R)
• M6: 3,249,565 km (0.045 R)
• M7: 3,699,256 km (0.115 R)
• M8: 4,235,116 km (0.096 R)
• M9: 4,726,395 km (0.057 R)
• M10: 5,187,605 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 13.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.12 AU - 1.8 AU

Year: 1240 Days

Day: 8.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,824,867 km

• M1: 178,321 km (0.109 R)
• M2: 767,587 km (0.069 R)
• M3: 1,777,671 km (0.095 R)
• M4: 2,560,966 km (0.103 R)
• M5: 3,291,752 km (0.119 R)
• M6: 4,713,530 km (0.099 R)
• M7: 7,403,299 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.6

Radius: 14.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.29 AU - 2.97 AU

Year: 2998 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,824,867 km

• M1: 179,069 km (0.094 R)
• M2: 627,114 km (0.085 R)
• M3: 1,169,107 km (0.119 R)
• M4: 1,624,782 km (0.116 R)
• M5: 2,237,386 km (0.119 R)
• M6: 2,959,046 km (0.045 R)
• M7: 3,990,523 km (0.08 R)
• M8: 5,358,596 km (0.11 R)
• M9: 6,114,813 km (0.106 R)
• M10: 7,926,892 km (0.106 R)
• M11: 11,856,828 km (0.08 R)
• M12: 12,314,149 km (0.109 R)
• M13: 14,178,138 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486

Radius: 11.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.55 AU - 3.15 AU

Year: 3382 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,824,867 km

• M1: 146,008 km (0.113 R)
• M2: 653,294 km (0.074 R)
• M3: 1,029,084 km (0.11 R)
• M4: 1,434,943 km (0.101 R)
• M5: 1,830,031 km (0.042 R)
• M6: 2,614,672 km (0.11 R)
• M7: 3,390,337 km (0.046 R)
• M8: 4,145,357 km (0.086 R)
• M9: 5,649,414 km (0.085 R)
• M10: 7,489,767 km (0.1 R)
• M11: 8,428,344 km (0.1 R)
• M12: 9,812,124 km (0.03 R)
• M13: 10,577,916 km (0.106 R)
• M14: 11,800,878 km (0.105 R)
• M15: 12,980,158 km (0.081 R)
• M16: 15,167,878 km (0.062 R)
• M17: 16,139,516 km (0.085 R)
• M18: 20,261,685 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 13.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.14 AU - 3.62 AU

Year: 4368 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,824,867 km

• M1: 164,258 km (0.114 R)
• M2: 859,889 km (0.055 R)
• M3: 1,588,131 km (0.087 R)
• M4: 2,394,164 km (0.076 R)
• M5: 3,964,344 km (0.086 R)
• M6: 5,561,151 km (0.061 R)
• M7: 6,259,175 km (0.1 R)
• M8: 7,179,950 km (0.046 R)
• M9: 8,335,294 km (0.119 R)
• M10: 8,861,579 km (0.074 R)
• M11: 9,815,415 km (0.079 R)
• M12: 10,488,456 km (0.113 R)
• M13: 13,698,677 km (0.119 R)
• M14: 17,331,811 km (0.089 R)
• M15: 18,066,636 km (0.08 R)
• M16: 18,758,227 km (0.077 R)
• M17: 19,861,960 km (0.09 R)
• M18: 23,433,310 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 16,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit