🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 41.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.52 AU - 0.56 AU

Year: 256 Days

Day: 42.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.45 AU - 0.65 AU

Year: 263 Days

Day: 13.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 14.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.52 AU - 0.84 AU

Year: 362 Days

Day: 13.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,163,214 km

• M1: 184,005 km (0.091 R)
• M2: 659,876 km (0.082 R)
• M3: 1,130,810 km (0.077 R)
• M4: 1,687,464 km (0.076 R)
• M5: 2,240,677 km (0.089 R)

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 15

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.06 AU - 1.32 AU

Year: 838 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,163,214 km

• M1: 186,698 km (0.12 R)
• M2: 689,796 km (0.075 R)
• M3: 1,309,281 km (0.119 R)
• M4: 2,047,546 km (0.09 R)
• M5: 2,648,481 km (0.093 R)
• M6: 3,159,507 km (0.099 R)
• M7: 4,424,656 km (0.053 R)
• M8: 5,031,874 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 14.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.77 AU - 2.57 AU

Year: 2064 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,163,214 km

• M1: 177,872 km (0.109 R)
• M2: 635,492 km (0.029 R)
• M3: 1,236,127 km (0.12 R)
• M4: 1,736,233 km (0.114 R)
• M5: 2,846,847 km (0.099 R)
• M6: 3,444,341 km (0.107 R)
• M7: 3,938,314 km (0.112 R)
• M8: 4,516,360 km (0.113 R)
• M9: 6,088,933 km (0.079 R)
• M10: 6,575,574 km (0.108 R)
• M11: 7,392,977 km (0.091 R)
• M12: 8,138,723 km (0.057 R)
• M13: 9,141,178 km (0.03 R)
• M14: 9,843,689 km (0.091 R)
• M15: 10,483,520 km (0.115 R)
• M16: 11,117,067 km (0.117 R)
• M17: 11,600,118 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 14.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.97 AU - 6.29 AU

Year: 7502 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,163,214 km

• M1: 182,809 km (0.106 R)
• M2: 866,022 km (0.05 R)
• M3: 1,492,688 km (0.098 R)
• M4: 2,349,584 km (0.071 R)
• M5: 3,251,809 km (0.034 R)
• M6: 3,820,281 km (0.037 R)
• M7: 4,322,481 km (0.082 R)
• M8: 5,129,711 km (0.077 R)
• M9: 5,711,796 km (0.072 R)
• M10: 6,337,714 km (0.096 R)
• M11: 8,206,939 km (0.115 R)
• M12: 8,962,708 km (0.068 R)
• M13: 10,420,688 km (0.117 R)
• M14: 11,106,296 km (0.061 R)
• M15: 11,614,180 km (0.11 R)
• M16: 12,137,773 km (0.119 R)
• M17: 14,631,270 km (0.108 R)
• M18: 15,242,527 km (0.098 R)
• M19: 25,428,496 km (0.113 R)
• M20: 26,944,671 km (0.08 R)
• M21: 27,401,842 km (0.11 R)
• M22: 28,709,627 km (0.05 R)
• M23: 29,766,087 km (0.074 R)
• M24: 30,353,258 km (0.109 R)
• M25: 33,300,486 km (0.053 R)
• M26: 34,574,013 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417

Radius: 3.6

Gravity: 32.18 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.6 AU - 9.58 AU

Year: 16256 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,163,214 km

• M1: 44,730 km (0.102 R)
• M2: 167,998 km (0.108 R)
• M3: 460,911 km (0.105 R)
• M4: 921,672 km (0.119 R)
• M5: 1,605,933 km (0.086 R)
• M6: 2,211,805 km (0.091 R)
• M7: 2,349,135 km (0.102 R)
• M8: 2,728,964 km (0.115 R)
• M9: 3,004,075 km (0.083 R)
• M10: 3,451,073 km (0.083 R)
• M11: 3,663,353 km (0.113 R)
• M12: 5,090,666 km (0.094 R)
• M13: 7,358,270 km (0.048 R)
• M14: 7,935,419 km (0.099 R)
• M15: 9,179,176 km (0.111 R)
• M16: 10,220,227 km (0.101 R)
• M17: 10,881,300 km (0.111 R)
• M18: 11,806,264 km (0.03 R)
• M19: 15,670,676 km (0.05 R)
• M20: 17,074,652 km (0.044 R)
• M21: 23,249,454 km (0.1 R)
• M22: 26,675,844 km (0.108 R)
• M23: 31,556,175 km (0.11 R)
• M24: 36,998,994 km (0.075 R)
• M25: 38,418,379 km (0.098 R)
• M26: 44,604,101 km (0.088 R)
• M27: 45,038,533 km (0.103 R)
• M28: 48,159,295 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 20,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit