🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 9.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 449 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,505,565 km

• M1: 123,119 km (0.087 R)
• M2: 689,646 km (0.119 R)
• M3: 1,009,636 km (0.087 R)
• M4: 1,321,996 km (0.118 R)
• M5: 1,809,536 km (0.112 R)
• M6: 4,076,542 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.6

Radius: 11.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.83 AU - 0.91 AU

Year: 550 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,505,565 km

• M1: 144,212 km (0.07 R)
• M2: 520,301 km (0.09 R)
• M3: 918,082 km (0.113 R)
• M4: 1,413,251 km (0.116 R)
• M5: 1,786,797 km (0.074 R)
• M6: 2,163,933 km (0.093 R)
• M7: 2,544,061 km (0.115 R)
• M8: 3,025,467 km (0.107 R)
• M9: 3,605,907 km (0.085 R)
• M10: 4,060,834 km (0.118 R)
• M11: 4,539,099 km (0.071 R)
• M12: 6,316,471 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 12.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.74 AU - 1.16 AU

Year: 628 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,505,565 km

• M1: 165,904 km (0.11 R)
• M2: 682,914 km (0.037 R)
• M3: 1,279,211 km (0.079 R)
• M4: 1,710,801 km (0.044 R)
• M5: 2,233,496 km (0.104 R)
• M6: 2,704,879 km (0.057 R)
• M7: 3,400,659 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 12.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.43 AU - 2.01 AU

Year: 1530 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,505,565 km

• M1: 155,881 km (0.026 R)
• M2: 692,489 km (0.118 R)
• M3: 1,099,694 km (0.089 R)
• M4: 1,682,228 km (0.098 R)
• M5: 3,100,266 km (0.089 R)
• M6: 3,748,773 km (0.098 R)
• M7: 4,163,608 km (0.104 R)
• M8: 5,658,240 km (0.079 R)
• M9: 7,785,372 km (0.059 R)
• M10: 9,529,384 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 12.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.11 AU - 2.29 AU

Year: 2213 Days

Day: 9.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,505,565 km

• M1: 151,991 km (0.089 R)
• M2: 818,450 km (0.086 R)
• M3: 1,250,638 km (0.115 R)
• M4: 2,076,718 km (0.063 R)
• M5: 2,563,360 km (0.103 R)
• M6: 3,386,597 km (0.083 R)
• M7: 3,787,668 km (0.03 R)
• M8: 4,665,509 km (0.089 R)
• M9: 5,186,708 km (0.088 R)
• M10: 6,320,510 km (0.102 R)
• M11: 6,769,154 km (0.08 R)
• M12: 7,642,357 km (0.103 R)
• M13: 8,213,671 km (0.054 R)
• M14: 8,943,260 km (0.116 R)
• M15: 11,547,908 km (0.085 R)
• M16: 13,994,133 km (0.106 R)
• M17: 14,942,883 km (0.063 R)
• M18: 16,176,167 km (0.092 R)
• M19: 16,668,195 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 9.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.91 AU - 4.17 AU

Year: 5508 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,505,565 km

• M1: 140,921 km (0.055 R)
• M2: 617,241 km (0.116 R)
• M3: 1,039,556 km (0.091 R)
• M4: 1,433,596 km (0.051 R)
• M5: 2,348,986 km (0.118 R)
• M6: 2,832,785 km (0.078 R)
• M7: 3,179,254 km (0.041 R)
• M8: 4,085,219 km (0.055 R)
• M9: 4,668,501 km (0.117 R)
• M10: 5,179,377 km (0.082 R)
• M11: 5,593,165 km (0.049 R)
• M12: 8,557,447 km (0.07 R)
• M13: 9,703,666 km (0.094 R)
• M14: 11,033,292 km (0.065 R)
• M15: 11,763,778 km (0.096 R)
• M16: 16,015,649 km (0.11 R)
• M17: 16,561,980 km (0.104 R)
• M18: 18,216,832 km (0.089 R)
• M19: 22,524,503 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 10.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.45 AU - 4.65 AU

Year: 6583 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,505,565 km

• M1: 133,890 km (0.06 R)
• M2: 1,143,825 km (0.055 R)
• M3: 1,884,933 km (0.101 R)
• M4: 2,480,632 km (0.059 R)
• M5: 3,534,100 km (0.058 R)
• M6: 3,959,706 km (0.094 R)
• M7: 4,491,377 km (0.11 R)
• M8: 4,837,846 km (0.118 R)
• M9: 5,957,286 km (0.075 R)
• M10: 6,847,992 km (0.084 R)
• M11: 7,342,263 km (0.09 R)
• M12: 8,074,246 km (0.116 R)
• M13: 9,086,126 km (0.117 R)
• M14: 10,013,034 km (0.107 R)
• M15: 10,781,369 km (0.038 R)
• M16: 12,776,107 km (0.064 R)
• M17: 13,323,635 km (0.072 R)
• M18: 14,465,516 km (0.069 R)
• M19: 15,671,424 km (0.064 R)
• M20: 17,604,378 km (0.098 R)
• M21: 19,106,490 km (0.115 R)
• M22: 24,124,153 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 19,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit