🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.53 AU - 0.81 AU

Year: 207 Days

Day: 21.7 Hours

Environment

Temp: 123 °C

Axial Tilt: 43.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.44 AU - 1.54 AU

Year: 685 Days

Day: 29.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.78 AU - 2.7 AU

Year: 1263 Days

Day: 45.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,192,218 km

• M1: 247,584 km (0.078 R)
• M2: 1,088,773 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.18 AU - 2.58 AU

Year: 1383 Days

Day: 18 Hours

Environment

Temp: -87 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.98 AU - 2.9 AU

Year: 1436 Days

Day: 42.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,192,218 km

• M1: 67,319 km (0.057 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.08 AU - 4.3 AU

Year: 2670 Days

Day: 45.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.76 AU - 4.7 AU

Year: 3277 Days

Day: 15.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 104.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.4

Radius: 9.4

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.05 AU - 8.27 AU

Year: 7987 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 42,192,218 km

• M1: 186,549 km (0.098 R)
• M2: 314,006 km (0.108 R)
• M3: 392,395 km (0.102 R)
• M4: 479,012 km (0.072 R)
• M5: 559,346 km (0.115 R)
• M6: 963,859 km (0.04 R)
• M7: 1,069,026 km (0.112 R)
• M8: 1,196,633 km (0.059 R)
• M9: 1,291,030 km (0.116 R)
• M10: 1,736,382 km (0.084 R)
• M11: 2,227,213 km (0.053 R)
• M12: 3,437,759 km (0.109 R)
• M13: 3,546,666 km (0.115 R)
• M14: 3,965,241 km (0.094 R)
• M15: 4,547,775 km (0.106 R)
• M16: 5,250,586 km (0.082 R)
• M17: 5,662,878 km (0.086 R)
• M18: 5,791,831 km (0.057 R)
• M19: 6,927,129 km (0.112 R)
• M20: 7,414,370 km (0.071 R)
• M21: 7,484,830 km (0.088 R)
• M22: 7,733,312 km (0.114 R)
• M23: 7,984,637 km (0.036 R)
• M24: 8,165,800 km (0.082 R)
• M25: 9,016,563 km (0.096 R)
• M26: 9,357,048 km (0.067 R)
• M27: 9,548,084 km (0.082 R)
• M28: 9,663,274 km (0.057 R)
• M29: 9,740,467 km (0.112 R)
• M30: 9,895,301 km (0.069 R)
• M31: 10,128,973 km (0.109 R)
• M32: 11,162,844 km (0.079 R)
• M33: 11,528,610 km (0.068 R)
• M34: 11,898,267 km (0.108 R)
• M35: 12,271,813 km (0.108 R)
• M36: 12,733,621 km (0.084 R)
• M37: 12,818,144 km (0.062 R)
• M38: 14,021,808 km (0.057 R)
• M39: 14,196,688 km (0.116 R)
• M40: 14,592,973 km (0.066 R)
• M41: 15,037,428 km (0.115 R)
• M42: 15,261,376 km (0.1 R)
• M43: 15,396,164 km (0.106 R)
• M44: 15,486,372 km (0.07 R)
• M45: 17,138,830 km (0.095 R)
• M46: 17,325,827 km (0.045 R)
• M47: 18,798,468 km (0.108 R)
• M48: 19,720,590 km (0.104 R)
• M49: 20,409,637 km (0.051 R)
• M50: 20,508,671 km (0.101 R)
• M51: 21,206,695 km (0.082 R)
• M52: 21,306,926 km (0.074 R)
• M53: 22,064,639 km (0.029 R)
• M54: 22,472,293 km (0.099 R)
• M55: 23,970,964 km (0.091 R)
• M56: 24,232,611 km (0.104 R)
• M57: 24,495,305 km (0.11 R)
• M58: 26,144,322 km (0.105 R)
• M59: 26,413,748 km (0.093 R)
• M60: 26,684,071 km (0.088 R)
• M61: 27,609,783 km (0.076 R)
• M62: 28,269,510 km (0.062 R)
• M63: 29,829,217 km (0.093 R)
• M64: 30,167,159 km (0.098 R)
• M65: 31,875,417 km (0.106 R)
• M66: 32,683,245 km (0.116 R)
• M67: 32,973,465 km (0.091 R)
• M68: 33,556,298 km (0.098 R)
• M69: 33,907,704 km (0.12 R)
• M70: 34,142,572 km (0.047 R)
• M71: 35,623,143 km (0.098 R)
• M72: 35,861,901 km (0.087 R)
• M73: 35,981,579 km (0.093 R)
• M74: 36,882,906 km (0.046 R)
• M75: 39,569,534 km (0.12 R)
• M76: 39,940,687 km (0.052 R)
• M77: 41,186,388 km (0.087 R)
• M78: 41,562,627 km (0.11 R)
• M79: 41,940,062 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 13,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit