🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.4 AU - 0.64 AU

Year: 131 Days

Day: 44.1 Hours

Environment

Temp: 277 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,006,050 km

• M1: 36,502 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.52 AU - 0.6 AU

Year: 146 Days

Day: 13.2 Hours

Environment

Temp: 256 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.76 AU - 0.76 AU

Year: 231 Days

Day: 24.8 Hours

Environment

Temp: 188 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.44 AU - 2.2 AU

Year: 855 Days

Day: 29.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.08 AU - 6.7 AU

Year: 4358 Days

Day: 28.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.3

Radius: 15

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.8 AU - 6.44 AU

Year: 5273 Days

Day: 12.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,006,050 km

• M1: 186,549 km (0.068 R)
• M2: 742,305 km (0.112 R)
• M3: 2,006,257 km (0.094 R)
• M4: 2,521,921 km (0.118 R)
• M5: 3,032,050 km (0.094 R)
• M6: 4,557,798 km (0.075 R)
• M7: 5,157,835 km (0.111 R)
• M8: 5,751,589 km (0.045 R)
• M9: 7,776,247 km (0.062 R)
• M10: 8,444,351 km (0.033 R)
• M11: 10,153,656 km (0.056 R)
• M12: 11,414,916 km (0.116 R)
• M13: 12,083,768 km (0.095 R)
• M14: 13,710,944 km (0.048 R)
• M15: 16,062,922 km (0.057 R)
• M16: 17,584,631 km (0.073 R)
• M17: 19,134,166 km (0.086 R)
• M18: 21,626,616 km (0.116 R)
• M19: 22,429,658 km (0.108 R)
• M20: 25,679,970 km (0.104 R)
• M21: 27,248,803 km (0.05 R)
• M22: 28,185,735 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 11.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 9.41 AU - 14.65 AU

Year: 14531 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,006,050 km

• M1: 147,803 km (0.115 R)
• M2: 611,556 km (0.088 R)
• M3: 975,827 km (0.066 R)
• M4: 1,396,945 km (0.043 R)
• M5: 2,097,512 km (0.112 R)
• M6: 2,539,274 km (0.071 R)
• M7: 3,161,302 km (0.085 R)
• M8: 4,282,987 km (0.113 R)
• M9: 4,935,383 km (0.116 R)
• M10: 5,475,880 km (0.117 R)
• M11: 5,870,220 km (0.091 R)
• M12: 6,283,559 km (0.109 R)
• M13: 7,043,517 km (0.071 R)
• M14: 7,953,670 km (0.095 R)
• M15: 8,891,649 km (0.109 R)
• M16: 9,745,703 km (0.107 R)
• M17: 16,498,102 km (0.039 R)
• M18: 17,400,776 km (0.105 R)
• M19: 17,942,469 km (0.105 R)
• M20: 20,994,565 km (0.106 R)
• M21: 21,875,397 km (0.092 R)
• M22: 22,597,806 km (0.119 R)
• M23: 26,551,827 km (0.111 R)
• M24: 28,212,513 km (0.115 R)
• M25: 32,900,312 km (0.097 R)
• M26: 34,088,418 km (0.093 R)
• M27: 36,550,201 km (0.065 R)
• M28: 40,461,586 km (0.085 R)
• M29: 44,643,595 km (0.06 R)
• M30: 45,222,240 km (0.038 R)
• M31: 50,031,961 km (0.048 R)
• M32: 54,182,853 km (0.103 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 12,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit