🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.7

Radius: 14.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.91 AU

Year: 484 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,899,132 km

• M1: 182,809 km (0.093 R)
• M2: 704,606 km (0.101 R)
• M3: 1,183,319 km (0.12 R)
• M4: 1,780,663 km (0.073 R)
• M5: 2,353,623 km (0.057 R)
• M6: 3,428,484 km (0.117 R)
• M7: 3,974,815 km (0.081 R)
• M8: 4,549,122 km (0.084 R)
• M9: 5,228,296 km (0.081 R)
• M10: 5,723,914 km (0.032 R)
• M11: 6,692,111 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 12.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.91 AU - 1.23 AU

Year: 778 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,899,132 km

• M1: 151,842 km (0.075 R)
• M2: 537,356 km (0.112 R)
• M3: 947,403 km (0.091 R)
• M4: 1,409,062 km (0.075 R)
• M5: 1,993,392 km (0.096 R)
• M6: 2,991,359 km (0.095 R)
• M7: 3,482,938 km (0.096 R)
• M8: 4,411,791 km (0.087 R)
• M9: 5,556,663 km (0.088 R)
• M10: 5,972,845 km (0.072 R)
• M11: 7,513,104 km (0.093 R)
• M12: 8,248,677 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 9.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.86 AU - 1.34 AU

Year: 811 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,899,132 km

• M1: 115,639 km (0.076 R)
• M2: 417,079 km (0.091 R)
• M3: 755,619 km (0.108 R)
• M4: 1,154,297 km (0.106 R)
• M5: 1,553,125 km (0.044 R)
• M6: 2,405,833 km (0.106 R)
• M7: 3,218,449 km (0.098 R)
• M8: 3,750,269 km (0.067 R)
• M9: 4,606,567 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 12.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.92 AU - 1.32 AU

Year: 833 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,899,132 km

• M1: 150,495 km (0.068 R)
• M2: 615,146 km (0.095 R)
• M3: 1,020,706 km (0.111 R)
• M4: 1,455,438 km (0.118 R)
• M5: 1,866,383 km (0.117 R)
• M6: 2,279,423 km (0.057 R)
• M7: 3,051,348 km (0.069 R)
• M8: 3,607,553 km (0.117 R)
• M9: 4,548,074 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.3

Radius: 14.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.23 AU - 2.31 AU

Year: 2404 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,899,132 km

• M1: 181,612 km (0.068 R)
• M2: 1,063,192 km (0.049 R)
• M3: 1,611,468 km (0.11 R)
• M4: 2,872,878 km (0.117 R)
• M5: 4,158,372 km (0.066 R)
• M6: 4,931,643 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 12.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.13 AU - 3.27 AU

Year: 3119 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,899,132 km

• M1: 159,172 km (0.109 R)
• M2: 567,724 km (0.058 R)
• M3: 1,221,167 km (0.088 R)
• M4: 1,682,826 km (0.096 R)
• M5: 3,485,331 km (0.117 R)
• M6: 4,144,609 km (0.1 R)
• M7: 5,160,379 km (0.082 R)
• M8: 5,578,355 km (0.115 R)
• M9: 8,511,520 km (0.081 R)
• M10: 8,948,496 km (0.114 R)
• M11: 10,147,224 km (0.1 R)
• M12: 10,722,577 km (0.113 R)
• M13: 13,733,384 km (0.027 R)
• M14: 15,219,489 km (0.101 R)
• M15: 15,810,401 km (0.077 R)
• M16: 16,584,420 km (0.05 R)
• M17: 17,441,765 km (0.038 R)
• M18: 19,244,868 km (0.092 R)
• M19: 19,682,891 km (0.113 R)
• M20: 21,838,148 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.8

Radius: 9

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.85 AU - 2.93 AU

Year: 3453 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,899,132 km

• M1: 113,844 km (0.104 R)
• M2: 492,027 km (0.084 R)
• M3: 804,537 km (0.076 R)
• M4: 1,559,259 km (0.097 R)
• M5: 2,207,167 km (0.055 R)
• M6: 2,544,660 km (0.065 R)
• M7: 3,097,574 km (0.038 R)
• M8: 4,907,558 km (0.109 R)
• M9: 5,514,028 km (0.082 R)
• M10: 5,907,171 km (0.086 R)
• M11: 10,759,677 km (0.079 R)
• M12: 11,690,924 km (0.079 R)
• M13: 14,860,304 km (0.073 R)
• M14: 15,347,694 km (0.08 R)
• M15: 15,901,655 km (0.039 R)
• M16: 16,183,647 km (0.096 R)
• M17: 17,704,010 km (0.111 R)
• M18: 18,810,885 km (0.111 R)
• M19: 19,703,236 km (0.119 R)
• M20: 20,225,632 km (0.105 R)
• M21: 21,640,978 km (0.042 R)
• M22: 22,127,021 km (0.1 R)
• M23: 24,517,595 km (0.112 R)
• M24: 25,736,369 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 10.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.12 AU - 4.32 AU

Year: 6094 Days

Day: 14.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,899,132 km

• M1: 128,056 km (0.094 R)
• M2: 545,583 km (0.103 R)
• M3: 1,048,232 km (0.092 R)
• M4: 1,670,559 km (0.041 R)
• M5: 2,159,146 km (0.106 R)
• M6: 3,490,567 km (0.094 R)
• M7: 3,973,469 km (0.078 R)
• M8: 5,304,740 km (0.091 R)
• M9: 5,756,825 km (0.1 R)
• M10: 6,104,491 km (0.099 R)
• M11: 6,703,929 km (0.08 R)
• M12: 7,751,862 km (0.052 R)
• M13: 10,539,170 km (0.106 R)
• M14: 12,520,594 km (0.068 R)
• M15: 18,266,798 km (0.113 R)
• M16: 21,937,181 km (0.075 R)
• M17: 24,393,578 km (0.097 R)
• M18: 28,367,945 km (0.104 R)
• M19: 31,764,565 km (0.029 R)
• M20: 34,899,089 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 19,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit