🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 14.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.49 AU - 0.61 AU

Year: 282 Days

Day: 12.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 176.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,705,367 km

• M1: 185,352 km (0.059 R)
• M2: 854,802 km (0.11 R)
• M3: 1,389,914 km (0.12 R)
• M4: 2,191,908 km (0.05 R)
• M5: 2,709,517 km (0.038 R)
• M6: 3,176,262 km (0.11 R)
• M7: 3,708,681 km (0.078 R)
• M8: 4,189,488 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 13

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.19 AU - 1.25 AU

Year: 930 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,705,367 km

• M1: 162,613 km (0.115 R)
• M2: 752,328 km (0.075 R)
• M3: 1,507,797 km (0.063 R)
• M4: 1,984,715 km (0.098 R)
• M5: 2,404,038 km (0.114 R)
• M6: 3,481,591 km (0.094 R)
• M7: 4,024,033 km (0.038 R)
• M8: 4,554,657 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 9.6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.19 AU - 2.55 AU

Year: 2518 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,705,367 km

• M1: 119,977 km (0.056 R)
• M2: 424,559 km (0.086 R)
• M3: 742,753 km (0.093 R)
• M4: 1,097,300 km (0.118 R)
• M5: 1,576,313 km (0.091 R)
• M6: 2,177,547 km (0.106 R)
• M7: 2,589,988 km (0.078 R)
• M8: 3,070,347 km (0.051 R)
• M9: 3,627,748 km (0.118 R)
• M10: 4,149,396 km (0.119 R)
• M11: 4,698,271 km (0.095 R)
• M12: 5,992,891 km (0.106 R)
• M13: 6,500,626 km (0.095 R)
• M14: 6,864,298 km (0.041 R)
• M15: 10,701,334 km (0.063 R)
• M16: 11,329,047 km (0.089 R)
• M17: 14,273,881 km (0.092 R)
• M18: 15,922,300 km (0.112 R)
• M19: 18,019,812 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.2

Radius: 12.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.17 AU - 4.53 AU

Year: 5214 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,705,367 km

• M1: 162,164 km (0.098 R)
• M2: 685,607 km (0.083 R)
• M3: 1,177,634 km (0.091 R)
• M4: 1,609,823 km (0.049 R)
• M5: 2,230,953 km (0.113 R)
• M6: 2,950,220 km (0.111 R)
• M7: 4,810,918 km (0.05 R)
• M8: 5,466,605 km (0.039 R)
• M9: 6,085,641 km (0.083 R)
• M10: 7,088,396 km (0.085 R)
• M11: 8,856,194 km (0.033 R)
• M12: 11,959,751 km (0.082 R)
• M13: 13,205,154 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.3

Radius: 11.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.08 AU - 5.24 AU

Year: 8091 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,705,367 km

• M1: 138,228 km (0.114 R)
• M2: 1,303,596 km (0.116 R)
• M3: 1,656,198 km (0.119 R)
• M4: 2,308,445 km (0.1 R)
• M5: 4,255,760 km (0.106 R)
• M6: 5,609,023 km (0.105 R)
• M7: 6,038,967 km (0.085 R)
• M8: 8,358,931 km (0.047 R)
• M9: 9,054,561 km (0.043 R)
• M10: 10,025,601 km (0.116 R)
• M11: 11,167,182 km (0.09 R)
• M12: 14,737,185 km (0.066 R)
• M13: 19,524,467 km (0.037 R)
• M14: 21,379,331 km (0.062 R)
• M15: 23,945,533 km (0.118 R)
• M16: 25,886,864 km (0.082 R)
• M17: 26,526,096 km (0.118 R)
• M18: 33,186,492 km (0.116 R)
• M19: 38,472,384 km (0.114 R)
• M20: 39,424,724 km (0.105 R)
• M21: 39,906,878 km (0.073 R)
• M22: 40,759,885 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 9.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.04 AU - 6.4 AU

Year: 8232 Days

Day: 9 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,705,367 km

• M1: 124,615 km (0.065 R)
• M2: 799,900 km (0.104 R)
• M3: 1,110,166 km (0.105 R)
• M4: 2,049,341 km (0.102 R)
• M5: 2,483,923 km (0.056 R)
• M6: 3,654,975 km (0.08 R)
• M7: 4,376,486 km (0.053 R)
• M8: 5,617,400 km (0.098 R)
• M9: 6,302,409 km (0.072 R)
• M10: 9,929,409 km (0.107 R)
• M11: 13,811,175 km (0.069 R)
• M12: 19,897,414 km (0.1 R)
• M13: 26,035,864 km (0.072 R)
• M14: 32,708,826 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 14.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.1 AU - 6.7 AU

Year: 8662 Days

Day: 5.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,705,367 km

• M1: 176,525 km (0.068 R)
• M2: 675,883 km (0.084 R)
• M3: 1,165,068 km (0.057 R)
• M4: 2,809,598 km (0.096 R)
• M5: 3,316,884 km (0.06 R)
• M6: 5,299,355 km (0.086 R)
• M7: 6,287,449 km (0.097 R)
• M8: 7,295,290 km (0.119 R)
• M9: 8,263,188 km (0.101 R)
• M10: 11,014,143 km (0.086 R)
• M11: 13,506,294 km (0.101 R)
• M12: 16,699,610 km (0.053 R)
• M13: 20,299,982 km (0.105 R)
• M14: 22,564,445 km (0.058 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 13,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit