🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.52 AU - 0.64 AU

Year: 159 Days

Day: 41.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.16 AU - 1.24 AU

Year: 473 Days

Day: 25.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.66 AU - 2.42 AU

Year: 1049 Days

Day: 34.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.66 AU - 2.58 AU

Year: 1111 Days

Day: 12.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.26 AU - 2.74 AU

Year: 1423 Days

Day: 15.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,093,841 km

• M1: 1,060,799 km (0.082 R)
• M2: 1,136,345 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.02 AU - 4.52 AU

Year: 3176 Days

Day: 13.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,093,841 km

• M1: 2,354,820 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.3

Radius: 14.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.42 AU - 11.16 AU

Year: 11024 Days

Day: 14.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 45,093,841 km

• M1: 232,176 km (0.051 R)
• M2: 357,838 km (0.114 R)
• M3: 791,522 km (0.057 R)
• M4: 959,222 km (0.1 R)
• M5: 1,066,184 km (0.096 R)
• M6: 1,495,380 km (0.085 R)
• M7: 1,665,024 km (0.099 R)
• M8: 2,309,791 km (0.109 R)
• M9: 2,947,676 km (0.105 R)
• M10: 4,941,816 km (0.099 R)
• M11: 5,660,335 km (0.088 R)
• M12: 6,446,471 km (0.078 R)
• M13: 7,049,800 km (0.032 R)
• M14: 7,158,258 km (0.077 R)
• M15: 7,413,322 km (0.075 R)
• M16: 8,617,286 km (0.12 R)
• M17: 8,966,896 km (0.047 R)
• M18: 10,247,753 km (0.041 R)
• M19: 11,713,513 km (0.043 R)
• M20: 11,842,167 km (0.112 R)
• M21: 12,187,739 km (0.074 R)
• M22: 12,712,229 km (0.115 R)
• M23: 13,828,827 km (0.12 R)
• M24: 14,284,203 km (0.054 R)
• M25: 15,491,458 km (0.097 R)
• M26: 15,916,914 km (0.054 R)
• M27: 16,155,074 km (0.054 R)
• M28: 16,346,260 km (0.119 R)
• M29: 17,167,852 km (0.118 R)
• M30: 18,201,124 km (0.115 R)
• M31: 18,300,607 km (0.115 R)
• M32: 18,500,170 km (0.112 R)
• M33: 18,750,597 km (0.051 R)
• M34: 19,102,900 km (0.106 R)
• M35: 19,406,733 km (0.054 R)
• M36: 19,610,186 km (0.116 R)
• M37: 19,712,212 km (0.096 R)
• M38: 20,070,649 km (0.028 R)
• M39: 20,173,422 km (0.057 R)
• M40: 21,106,464 km (0.064 R)
• M41: 22,000,611 km (0.079 R)
• M42: 23,068,291 km (0.063 R)
• M43: 23,934,762 km (0.101 R)
• M44: 24,207,628 km (0.084 R)
• M45: 24,371,887 km (0.062 R)
• M46: 24,977,309 km (0.117 R)
• M47: 25,476,368 km (0.105 R)
• M48: 26,090,916 km (0.049 R)
• M49: 26,428,109 km (0.08 R)
• M50: 27,163,682 km (0.107 R)
• M51: 27,505,513 km (0.1 R)
• M52: 28,366,299 km (0.064 R)
• M53: 28,597,279 km (0.081 R)
• M54: 30,291,026 km (0.074 R)
• M55: 31,239,327 km (0.042 R)
• M56: 32,197,351 km (0.111 R)
• M57: 32,619,517 km (0.095 R)
• M58: 33,347,609 km (0.044 R)
• M59: 35,067,237 km (0.111 R)
• M60: 35,377,353 km (0.072 R)
• M61: 35,688,367 km (0.032 R)
• M62: 35,812,982 km (0.042 R)
• M63: 36,689,626 km (0.052 R)
• M64: 37,510,170 km (0.113 R)
• M65: 37,890,747 km (0.082 R)
• M66: 38,145,363 km (0.079 R)
• M67: 38,464,305 km (0.061 R)
• M68: 38,784,146 km (0.1 R)
• M69: 39,233,388 km (0.1 R)
• M70: 40,851,887 km (0.095 R)
• M71: 41,112,936 km (0.096 R)
• M72: 41,439,957 km (0.109 R)
• M73: 41,636,528 km (0.118 R)
• M74: 42,624,323 km (0.117 R)
• M75: 42,756,567 km (0.098 R)
• M76: 43,819,909 km (0.102 R)
• M77: 44,153,961 km (0.107 R)

Kuiper Belt

Range: 30.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit