🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.63 AU - 0.63 AU

Year: 193 Days

Day: 32.8 Hours

Environment

Temp: 104 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,483,777 km

• M1: 300,393 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.74 AU - 0.88 AU

Year: 281 Days

Day: 12.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,483,777 km

• M1: 69,114 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.07 AU - 1.49 AU

Year: 558 Days

Day: 34.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.6 AU - 2.26 AU

Year: 1032 Days

Day: 47.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.8

Radius: 11.3

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.16 AU - 6.36 AU

Year: 5322 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,483,777 km

• M1: 143,165 km (0.093 R)
• M2: 545,135 km (0.115 R)
• M3: 969,095 km (0.078 R)
• M4: 1,708,557 km (0.106 R)
• M5: 2,203,577 km (0.079 R)
• M6: 2,755,892 km (0.036 R)
• M7: 3,126,147 km (0.112 R)
• M8: 3,664,549 km (0.108 R)
• M9: 4,139,074 km (0.052 R)
• M10: 4,495,416 km (0.049 R)
• M11: 5,011,977 km (0.097 R)
• M12: 5,598,401 km (0.116 R)
• M13: 6,262,765 km (0.062 R)
• M14: 7,635,625 km (0.106 R)
• M15: 8,413,085 km (0.113 R)
• M16: 9,328,325 km (0.1 R)
• M17: 9,854,909 km (0.093 R)
• M18: 12,737,959 km (0.103 R)
• M19: 14,867,784 km (0.073 R)
• M20: 16,709,185 km (0.101 R)
• M21: 18,424,175 km (0.088 R)
• M22: 19,749,612 km (0.062 R)
• M23: 20,326,311 km (0.074 R)
• M24: 20,692,377 km (0.092 R)
• M25: 21,513,371 km (0.094 R)
• M26: 23,379,903 km (0.074 R)
• M27: 26,119,339 km (0.117 R)
• M28: 27,432,659 km (0.098 R)
• M29: 30,571,821 km (0.093 R)
• M30: 31,832,781 km (0.115 R)
• M31: 34,874,854 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.4

Radius: 5.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 14.79 AU - 16.77 AU

Year: 24134 Days

Day: 22.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,483,777 km

• M1: 93,947 km (0.045 R)
• M2: 281,543 km (0.106 R)
• M3: 603,927 km (0.099 R)
• M4: 1,442,123 km (0.093 R)
• M5: 2,191,908 km (0.102 R)
• M6: 3,366,999 km (0.066 R)
• M7: 3,541,879 km (0.112 R)
• M8: 4,188,591 km (0.069 R)
• M9: 4,420,617 km (0.082 R)
• M10: 4,692,137 km (0.109 R)
• M11: 6,256,482 km (0.071 R)
• M12: 8,409,495 km (0.101 R)
• M13: 8,968,692 km (0.089 R)
• M14: 13,221,759 km (0.119 R)
• M15: 14,561,707 km (0.082 R)
• M16: 15,780,331 km (0.101 R)
• M17: 16,272,060 km (0.116 R)
• M18: 16,846,366 km (0.088 R)
• M19: 18,806,696 km (0.107 R)
• M20: 21,678,826 km (0.092 R)
• M21: 22,638,496 km (0.08 R)
• M22: 23,354,023 km (0.098 R)
• M23: 25,591,109 km (0.058 R)
• M24: 27,763,719 km (0.107 R)
• M25: 28,583,216 km (0.053 R)
• M26: 29,418,870 km (0.061 R)
• M27: 29,736,317 km (0.091 R)
• M28: 31,358,257 km (0.111 R)
• M29: 33,381,269 km (0.051 R)
• M30: 37,313,150 km (0.025 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: 189 - 19,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit