🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.55 AU - 0.57 AU

Year: 146 Days

Day: 34.5 Hours

Environment

Temp: 228 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.84 AU - 0.96 AU

Year: 297 Days

Day: 31.1 Hours

Environment

Temp: 164 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.71 AU - 1.11 AU

Year: 302 Days

Day: 32.6 Hours

Environment

Temp: 158 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.21 AU - 1.31 AU

Year: 493 Days

Day: 29.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.22 AU - 1.34 AU

Year: 504 Days

Day: 35.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 21,521,617 km

• M1: 931,546 km (0.08 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.66 AU - 2.74 AU

Year: 1136 Days

Day: 21.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.92 AU - 2.62 AU

Year: 1191 Days

Day: 44.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.42 AU - 2.88 AU

Year: 1502 Days

Day: 13.7 Hours

Environment

Temp: -86 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.77 AU - 4.05 AU

Year: 2693 Days

Day: 13.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Gas Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 10.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.04 AU - 7.98 AU

Year: 7167 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 21,521,617 km

• M1: 130,001 km (0.042 R)
• M2: 203,902 km (0.046 R)
• M3: 390,301 km (0.083 R)
• M4: 577,597 km (0.058 R)
• M5: 755,768 km (0.088 R)
• M6: 963,560 km (0.074 R)
• M7: 1,249,890 km (0.037 R)
• M8: 1,602,343 km (0.104 R)
• M9: 1,817,764 km (0.103 R)
• M10: 2,085,993 km (0.09 R)
• M11: 2,188,018 km (0.048 R)
• M12: 2,519,827 km (0.075 R)
• M13: 2,613,176 km (0.05 R)
• M14: 2,835,478 km (0.089 R)
• M15: 2,998,241 km (0.086 R)
• M16: 3,064,213 km (0.09 R)
• M17: 3,644,503 km (0.088 R)
• M18: 3,714,964 km (0.11 R)
• M19: 3,803,825 km (0.034 R)
• M20: 4,001,743 km (0.095 R)
• M21: 4,129,500 km (0.114 R)
• M22: 4,654,139 km (0.12 R)
• M23: 4,788,628 km (0.101 R)
• M24: 4,866,120 km (0.087 R)
• M25: 4,943,910 km (0.055 R)
• M26: 5,199,872 km (0.077 R)
• M27: 5,642,981 km (0.106 R)
• M28: 6,224,618 km (0.113 R)
• M29: 6,956,301 km (0.056 R)
• M30: 7,466,879 km (0.083 R)
• M31: 7,602,115 km (0.104 R)
• M32: 8,266,928 km (0.078 R)
• M33: 8,477,113 km (0.109 R)
• M34: 8,665,307 km (0.085 R)
• M35: 8,736,366 km (0.108 R)
• M36: 8,878,933 km (0.113 R)
• M37: 9,529,833 km (0.109 R)
• M38: 9,701,123 km (0.064 R)
• M39: 9,873,459 km (0.095 R)
• M40: 10,021,861 km (0.091 R)
• M41: 10,699,389 km (0.061 R)
• M42: 11,133,522 km (0.104 R)
• M43: 11,210,715 km (0.083 R)
• M44: 11,365,698 km (0.119 R)
• M45: 11,469,519 km (0.107 R)
• M46: 12,204,344 km (0.096 R)
• M47: 12,417,072 km (0.095 R)
• M48: 12,631,147 km (0.057 R)
• M49: 13,636,744 km (0.113 R)
• M50: 13,774,673 km (0.046 R)
• M51: 13,940,726 km (0.061 R)
• M52: 14,414,952 km (0.032 R)
• M53: 14,639,797 km (0.117 R)
• M54: 15,064,805 km (0.087 R)
• M55: 15,207,372 km (0.113 R)
• M56: 15,293,091 km (0.118 R)
• M57: 15,840,021 km (0.111 R)
• M58: 16,072,197 km (0.118 R)
• M59: 16,276,248 km (0.117 R)
• M60: 16,716,515 km (0.052 R)
• M61: 16,834,548 km (0.055 R)
• M62: 17,160,671 km (0.112 R)
• M63: 17,369,210 km (0.067 R)
• M64: 17,698,774 km (0.032 R)
• M65: 18,485,809 km (0.058 R)
• M66: 18,638,399 km (0.073 R)
• M67: 18,975,892 km (0.119 R)
• M68: 19,068,193 km (0.092 R)
• M69: 19,563,362 km (0.115 R)
• M70: 19,656,562 km (0.066 R)
• M71: 19,906,091 km (0.092 R)
• M72: 20,125,402 km (0.046 R)
• M73: 21,361,379 km (0.104 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: 214 - 14,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit