🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.17 AU - 1.87 AU

Year: 659 Days

Day: 45.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.67 AU - 1.99 AU

Year: 870 Days

Day: 28.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.3 AU - 2.74 AU

Year: 1406 Days

Day: 36.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,786,875 km

• M1: 2,063,104 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.26 AU - 3.34 AU

Year: 2107 Days

Day: 22.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.19 AU - 3.79 AU

Year: 2291 Days

Day: 17.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,786,875 km

• M1: 251,324 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.7

Radius: 11.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.6 AU - 7.4 AU

Year: 5824 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,786,875 km

• M1: 144,661 km (0.084 R)
• M2: 509,530 km (0.112 R)
• M3: 1,060,200 km (0.091 R)
• M4: 2,007,753 km (0.101 R)
• M5: 2,371,575 km (0.111 R)
• M6: 3,121,958 km (0.083 R)
• M7: 4,024,332 km (0.051 R)
• M8: 4,392,941 km (0.09 R)
• M9: 4,860,136 km (0.074 R)
• M10: 7,004,771 km (0.113 R)
• M11: 8,140,219 km (0.05 R)
• M12: 8,657,528 km (0.091 R)
• M13: 10,470,505 km (0.068 R)
• M14: 12,379,523 km (0.066 R)
• M15: 12,767,879 km (0.093 R)
• M16: 13,723,061 km (0.087 R)
• M17: 14,350,475 km (0.119 R)
• M18: 15,888,939 km (0.071 R)
• M19: 16,934,479 km (0.105 R)
• M20: 17,840,144 km (0.082 R)
• M21: 18,777,974 km (0.081 R)
• M22: 21,718,619 km (0.103 R)
• M23: 23,593,679 km (0.099 R)
• M24: 24,041,126 km (0.064 R)
• M25: 25,652,594 km (0.112 R)
• M26: 27,171,461 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.8

Radius: 10.9

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.13 AU - 8.17 AU

Year: 6027 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,786,875 km

• M1: 135,536 km (0.089 R)
• M2: 514,617 km (0.108 R)
• M3: 912,697 km (0.089 R)
• M4: 2,454,602 km (0.11 R)
• M5: 3,230,416 km (0.088 R)
• M6: 4,015,805 km (0.099 R)
• M7: 4,466,992 km (0.072 R)
• M8: 5,178,480 km (0.094 R)
• M9: 5,963,719 km (0.051 R)
• M10: 6,352,225 km (0.113 R)
• M11: 7,885,304 km (0.116 R)
• M12: 9,651,606 km (0.108 R)
• M13: 10,464,371 km (0.108 R)
• M14: 11,420,152 km (0.045 R)
• M15: 11,768,116 km (0.066 R)
• M16: 13,671,001 km (0.066 R)
• M17: 14,405,976 km (0.051 R)
• M18: 14,812,583 km (0.119 R)
• M19: 17,090,510 km (0.11 R)
• M20: 18,077,407 km (0.112 R)
• M21: 18,618,951 km (0.115 R)
• M22: 19,451,613 km (0.099 R)
• M23: 20,527,221 km (0.083 R)
• M24: 21,945,858 km (0.1 R)
• M25: 24,481,392 km (0.092 R)
• M26: 26,247,844 km (0.089 R)
• M27: 29,844,775 km (0.059 R)
• M28: 32,351,437 km (0.12 R)
• M29: 34,786,890 km (0.109 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 20,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit