🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.4

Radius: 12.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.6 AU - 0.82 AU

Year: 392 Days

Day: 13.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,052,182 km

• M1: 154,235 km (0.079 R)
• M2: 699,819 km (0.096 R)
• M3: 1,303,745 km (0.118 R)
• M4: 1,932,954 km (0.08 R)
• M5: 2,416,454 km (0.086 R)
• M6: 2,911,474 km (0.094 R)
• M7: 3,353,685 km (0.041 R)
• M8: 3,984,988 km (0.095 R)
• M9: 4,479,708 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 11.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.41 AU - 1.85 AU

Year: 1365 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,052,182 km

• M1: 143,016 km (0.106 R)
• M2: 566,826 km (0.116 R)
• M3: 982,708 km (0.079 R)
• M4: 1,472,193 km (0.054 R)
• M5: 2,122,495 km (0.114 R)
• M6: 2,942,889 km (0.107 R)
• M7: 3,472,017 km (0.091 R)
• M8: 4,797,305 km (0.058 R)
• M9: 5,852,119 km (0.112 R)
• M10: 6,457,691 km (0.06 R)
• M11: 7,405,843 km (0.049 R)
• M12: 7,926,892 km (0.103 R)
• M13: 8,754,318 km (0.03 R)
• M14: 9,307,531 km (0.08 R)
• M15: 11,480,889 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 14.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.42 AU - 2.14 AU

Year: 1558 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,052,182 km

• M1: 178,321 km (0.095 R)
• M2: 649,853 km (0.062 R)
• M3: 1,461,422 km (0.11 R)
• M4: 1,957,787 km (0.085 R)
• M5: 2,466,270 km (0.115 R)
• M6: 2,970,565 km (0.115 R)
• M7: 4,264,437 km (0.114 R)
• M8: 4,835,153 km (0.03 R)
• M9: 7,172,620 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 13.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.56 AU - 2.04 AU

Year: 1584 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,052,182 km

• M1: 165,605 km (0.093 R)
• M2: 682,316 km (0.067 R)
• M3: 1,267,393 km (0.081 R)
• M4: 2,047,845 km (0.109 R)
• M5: 3,609,497 km (0.095 R)
• M6: 4,173,930 km (0.038 R)
• M7: 4,977,271 km (0.073 R)
• M8: 6,206,217 km (0.075 R)
• M9: 6,791,295 km (0.041 R)
• M10: 8,300,438 km (0.109 R)
• M11: 9,257,715 km (0.11 R)
• M12: 11,108,689 km (0.047 R)
• M13: 11,716,505 km (0.112 R)
• M14: 13,513,176 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 14.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.68 AU - 2.26 AU

Year: 1814 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,052,182 km

• M1: 182,809 km (0.062 R)
• M2: 879,486 km (0.066 R)
• M3: 1,584,690 km (0.091 R)
• M4: 2,188,916 km (0.05 R)
• M5: 4,521,596 km (0.079 R)
• M6: 5,134,648 km (0.117 R)
• M7: 5,826,239 km (0.114 R)
• M8: 10,363,392 km (0.025 R)
• M9: 11,177,953 km (0.079 R)
• M10: 13,136,638 km (0.03 R)
• M11: 13,837,803 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 10

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.95 AU - 3.03 AU

Year: 3392 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 19,052,182 km

• M1: 125,064 km (0.119 R)
• M2: 454,628 km (0.101 R)
• M3: 1,219,971 km (0.12 R)
• M4: 2,131,022 km (0.085 R)
• M5: 2,699,045 km (0.051 R)
• M6: 3,064,662 km (0.089 R)
• M7: 5,024,244 km (0.084 R)
• M8: 5,663,626 km (0.119 R)
• M9: 6,386,632 km (0.103 R)
• M10: 7,433,668 km (0.057 R)
• M11: 8,121,668 km (0.091 R)
• M12: 8,591,256 km (0.107 R)
• M13: 11,041,220 km (0.099 R)
• M14: 12,168,141 km (0.044 R)
• M15: 12,928,547 km (0.066 R)
• M16: 13,619,689 km (0.038 R)
• M17: 14,968,165 km (0.094 R)
• M18: 15,674,865 km (0.109 R)
• M19: 16,064,567 km (0.038 R)
• M20: 16,979,658 km (0.101 R)
• M21: 21,463,255 km (0.076 R)
• M22: 23,141,743 km (0.059 R)
• M23: 24,160,206 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 10.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.18 AU - 4.4 AU

Year: 5829 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,052,182 km

• M1: 135,685 km (0.072 R)
• M2: 656,585 km (0.102 R)
• M3: 1,063,042 km (0.074 R)
• M4: 2,227,512 km (0.072 R)
• M5: 2,659,701 km (0.059 R)
• M6: 3,097,723 km (0.05 R)
• M7: 4,040,489 km (0.078 R)
• M8: 4,514,265 km (0.109 R)
• M9: 5,402,727 km (0.118 R)
• M10: 6,083,547 km (0.086 R)
• M11: 6,596,219 km (0.116 R)
• M12: 6,963,332 km (0.119 R)
• M13: 7,494,405 km (0.106 R)
• M14: 7,957,410 km (0.07 R)
• M15: 8,571,360 km (0.092 R)
• M16: 10,873,820 km (0.108 R)
• M17: 11,468,023 km (0.067 R)
• M18: 12,293,953 km (0.042 R)
• M19: 15,797,386 km (0.112 R)
• M20: 16,819,588 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 12,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit