🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 9.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.59 AU - 0.75 AU

Year: 372 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,213,330 km

• M1: 122,371 km (0.08 R)
• M2: 534,364 km (0.108 R)
• M3: 839,693 km (0.119 R)
• M4: 1,654,852 km (0.089 R)
• M5: 2,010,446 km (0.089 R)
• M6: 2,364,394 km (0.07 R)
• M7: 3,030,853 km (0.104 R)
• M8: 3,685,643 km (0.067 R)
• M9: 4,791,470 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 14.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.65 AU - 0.69 AU

Year: 372 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,213,330 km

• M1: 181,612 km (0.106 R)
• M2: 700,567 km (0.06 R)
• M3: 1,358,947 km (0.111 R)
• M4: 2,716,697 km (0.082 R)
• M5: 3,295,641 km (0.106 R)
• M6: 3,808,014 km (0.06 R)
• M7: 4,819,744 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 8.3

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.84 AU - 0.88 AU

Year: 541 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,213,330 km

• M1: 103,223 km (0.076 R)
• M2: 393,592 km (0.115 R)
• M3: 794,514 km (0.093 R)
• M4: 1,115,103 km (0.081 R)
• M5: 1,544,000 km (0.082 R)
• M6: 1,818,362 km (0.062 R)
• M7: 2,356,017 km (0.094 R)
• M8: 2,949,023 km (0.117 R)
• M9: 3,531,407 km (0.12 R)
• M10: 4,538,351 km (0.11 R)
• M11: 5,074,509 km (0.108 R)
• M12: 5,490,541 km (0.064 R)
• M13: 6,371,074 km (0.055 R)
• M14: 6,814,333 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 13.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.72 AU - 1.9 AU

Year: 1652 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,213,330 km

• M1: 169,345 km (0.11 R)
• M2: 713,283 km (0.111 R)
• M3: 1,213,688 km (0.098 R)
• M4: 1,733,690 km (0.119 R)
• M5: 2,679,597 km (0.117 R)
• M6: 3,391,833 km (0.06 R)
• M7: 3,877,726 km (0.025 R)
• M8: 4,466,095 km (0.099 R)
• M9: 5,134,049 km (0.072 R)
• M10: 5,667,067 km (0.099 R)
• M11: 7,900,114 km (0.114 R)
• M12: 8,879,681 km (0.066 R)
• M13: 10,068,834 km (0.12 R)
• M14: 10,804,407 km (0.102 R)
• M15: 11,255,594 km (0.097 R)
• M16: 12,800,491 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 13.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.44 AU - 2.26 AU

Year: 1707 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,213,330 km

• M1: 166,203 km (0.075 R)
• M2: 716,574 km (0.079 R)
• M3: 1,287,290 km (0.074 R)
• M4: 2,197,742 km (0.12 R)
• M5: 2,906,238 km (0.096 R)
• M6: 4,036,749 km (0.084 R)
• M7: 6,810,144 km (0.085 R)
• M8: 7,647,593 km (0.109 R)
• M9: 9,112,754 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 10

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.98 AU - 5.1 AU

Year: 6561 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,213,330 km

• M1: 124,465 km (0.113 R)
• M2: 543,190 km (0.098 R)
• M3: 929,900 km (0.111 R)
• M4: 1,839,755 km (0.091 R)
• M5: 2,323,704 km (0.101 R)
• M6: 4,094,344 km (0.108 R)
• M7: 5,207,951 km (0.042 R)
• M8: 6,484,320 km (0.057 R)
• M9: 6,943,286 km (0.076 R)
• M10: 8,552,211 km (0.075 R)
• M11: 10,053,127 km (0.082 R)
• M12: 10,786,904 km (0.071 R)
• M13: 11,432,120 km (0.055 R)
• M14: 12,622,919 km (0.112 R)
• M15: 13,067,673 km (0.051 R)
• M16: 15,299,673 km (0.106 R)
• M17: 16,957,517 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 13.6

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.49 AU - 5.67 AU

Year: 6648 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,213,330 km

• M1: 170,542 km (0.117 R)
• M2: 636,689 km (0.035 R)
• M3: 1,201,570 km (0.087 R)
• M4: 1,739,973 km (0.093 R)
• M5: 2,456,995 km (0.114 R)
• M6: 3,039,530 km (0.048 R)
• M7: 4,035,403 km (0.118 R)
• M8: 4,651,746 km (0.114 R)
• M9: 5,613,660 km (0.112 R)
• M10: 6,849,937 km (0.105 R)
• M11: 8,555,951 km (0.075 R)
• M12: 9,079,095 km (0.099 R)
• M13: 9,951,101 km (0.041 R)
• M14: 12,348,556 km (0.065 R)
• M15: 13,246,293 km (0.069 R)
• M16: 14,490,050 km (0.104 R)
• M17: 15,234,898 km (0.106 R)
• M18: 17,693,239 km (0.077 R)
• M19: 18,400,688 km (0.11 R)
• M20: 19,348,689 km (0.077 R)
• M21: 20,405,449 km (0.112 R)
• M22: 21,105,118 km (0.102 R)
• M23: 31,611,526 km (0.083 R)
• M24: 35,359,402 km (0.104 R)
• M25: 36,709,821 km (0.108 R)
• M26: 37,513,312 km (0.077 R)
• M27: 38,211,335 km (0.09 R)
• M28: 40,600,713 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 11,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit