🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 13.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,491,863 km

• M1: 171,589 km (0.071 R)
• M2: 714,779 km (0.053 R)
• M3: 1,180,178 km (0.102 R)
• M4: 1,787,844 km (0.04 R)
• M5: 3,442,845 km (0.056 R)
• M6: 4,347,015 km (0.111 R)
• M7: 4,977,420 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 14.5

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.68 AU - 0.92 AU

Year: 485 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,491,863 km

• M1: 180,265 km (0.054 R)
• M2: 846,275 km (0.073 R)
• M3: 1,615,358 km (0.091 R)
• M4: 2,074,623 km (0.107 R)
• M5: 2,927,182 km (0.096 R)
• M6: 3,477,403 km (0.066 R)
• M7: 5,459,275 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 10.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.7 AU - 1.72 AU

Year: 1517 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,491,863 km

• M1: 130,449 km (0.106 R)
• M2: 568,322 km (0.11 R)
• M3: 940,223 km (0.113 R)
• M4: 1,539,362 km (0.099 R)
• M5: 1,890,468 km (0.117 R)
• M6: 2,330,735 km (0.107 R)
• M7: 3,312,695 km (0.077 R)
• M8: 4,113,493 km (0.089 R)
• M9: 4,819,445 km (0.065 R)
• M10: 5,410,955 km (0.045 R)
• M11: 7,693,071 km (0.073 R)
• M12: 9,213,284 km (0.055 R)
• M13: 9,709,201 km (0.108 R)
• M14: 10,586,443 km (0.057 R)
• M15: 11,339,668 km (0.03 R)
• M16: 11,729,371 km (0.083 R)
• M17: 12,686,348 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 13.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.96 AU - 3.02 AU

Year: 2665 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,491,863 km

• M1: 163,062 km (0.119 R)
• M2: 599,588 km (0.101 R)
• M3: 1,159,533 km (0.088 R)
• M4: 2,233,197 km (0.101 R)
• M5: 2,752,002 km (0.088 R)
• M6: 3,269,461 km (0.098 R)
• M7: 3,979,902 km (0.073 R)
• M8: 4,422,113 km (0.064 R)
• M9: 5,114,302 km (0.114 R)
• M10: 5,521,807 km (0.08 R)
• M11: 6,049,289 km (0.088 R)
• M12: 6,531,742 km (0.092 R)
• M13: 7,402,851 km (0.106 R)
• M14: 7,837,133 km (0.116 R)
• M15: 8,504,938 km (0.094 R)
• M16: 9,309,625 km (0.065 R)
• M17: 10,270,492 km (0.087 R)
• M18: 11,991,317 km (0.087 R)
• M19: 12,591,952 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 12.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.74 AU - 3.42 AU

Year: 3666 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,491,863 km

• M1: 150,495 km (0.114 R)
• M2: 928,105 km (0.114 R)
• M3: 1,306,438 km (0.077 R)
• M4: 1,812,677 km (0.072 R)
• M5: 2,448,768 km (0.114 R)
• M6: 3,295,641 km (0.117 R)
• M7: 4,188,591 km (0.038 R)
• M8: 4,618,086 km (0.052 R)
• M9: 5,076,903 km (0.085 R)
• M10: 5,638,493 km (0.108 R)
• M11: 6,858,763 km (0.112 R)
• M12: 7,516,695 km (0.112 R)
• M13: 8,279,195 km (0.056 R)
• M14: 8,992,328 km (0.08 R)
• M15: 9,745,852 km (0.09 R)
• M16: 10,320,009 km (0.096 R)
• M17: 11,457,402 km (0.12 R)
• M18: 12,178,912 km (0.086 R)
• M19: 12,973,127 km (0.118 R)
• M20: 14,944,977 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 14.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.4 AU - 5.86 AU

Year: 7881 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,491,863 km

• M1: 232,176 km (0.108 R)
• M2: 771,476 km (0.08 R)
• M3: 2,392,668 km (0.069 R)
• M4: 3,109,691 km (0.096 R)
• M5: 8,013,360 km (0.084 R)
• M6: 8,836,896 km (0.066 R)
• M7: 11,094,477 km (0.108 R)
• M8: 12,762,344 km (0.113 R)
• M9: 15,383,598 km (0.064 R)
• M10: 16,919,669 km (0.118 R)
• M11: 17,386,414 km (0.081 R)
• M12: 18,767,502 km (0.102 R)
• M13: 21,747,790 km (0.106 R)
• M14: 23,432,711 km (0.08 R)
• M15: 25,030,716 km (0.044 R)
• M16: 34,872,760 km (0.105 R)
• M17: 37,289,663 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.3

Radius: 5.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.02 AU - 9.02 AU

Year: 13987 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,491,863 km

• M1: 66,122 km (0.039 R)
• M2: 354,547 km (0.091 R)
• M3: 2,074,773 km (0.115 R)
• M4: 2,375,315 km (0.103 R)
• M5: 7,092,285 km (0.115 R)
• M6: 8,186,893 km (0.069 R)
• M7: 13,163,865 km (0.119 R)
• M8: 16,215,212 km (0.086 R)
• M9: 16,397,423 km (0.108 R)
• M10: 18,492,242 km (0.089 R)
• M11: 21,190,239 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 13,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit