🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.81 AU - 1.31 AU

Year: 411 Days

Day: 33.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 47.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 101,148,052 km

• M1: 438,023 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.37 AU - 1.49 AU

Year: 644 Days

Day: 37.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.55 AU - 1.87 AU

Year: 842 Days

Day: 12.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.82 AU - 3.22 AU

Year: 1977 Days

Day: 40.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.68 AU - 4.02 AU

Year: 2310 Days

Day: 18.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,148,052 km

• M1: 1,819,110 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 12.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.39 AU - 9.73 AU

Year: 8620 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 101,148,052 km

• M1: 157,527 km (0.12 R)
• M2: 680,670 km (0.096 R)
• M3: 1,175,390 km (0.073 R)
• M4: 2,642,646 km (0.075 R)
• M5: 4,318,442 km (0.081 R)
• M6: 5,318,055 km (0.119 R)
• M7: 5,786,296 km (0.1 R)
• M8: 8,332,751 km (0.109 R)
• M9: 9,012,823 km (0.102 R)
• M10: 14,402,385 km (0.098 R)
• M11: 15,449,421 km (0.103 R)
• M12: 15,854,831 km (0.053 R)
• M13: 17,330,465 km (0.068 R)
• M14: 19,831,292 km (0.104 R)
• M15: 20,879,524 km (0.079 R)
• M16: 24,702,498 km (0.106 R)
• M17: 25,538,301 km (0.034 R)
• M18: 26,681,827 km (0.115 R)
• M19: 31,599,558 km (0.093 R)
• M20: 43,319,355 km (0.114 R)
• M21: 44,534,538 km (0.082 R)
• M22: 45,772,460 km (0.119 R)
• M23: 47,743,263 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.3

Radius: 7.6

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 18.37 AU - 18.63 AU

Year: 29977 Days

Day: 23.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 101,148,052 km

• M1: 94,695 km (0.082 R)
• M2: 365,916 km (0.091 R)
• M3: 654,939 km (0.1 R)
• M4: 1,043,744 km (0.042 R)
• M5: 1,508,994 km (0.066 R)
• M6: 1,850,226 km (0.112 R)
• M7: 2,458,491 km (0.067 R)
• M8: 2,822,912 km (0.119 R)
• M9: 3,105,053 km (0.086 R)
• M10: 3,468,277 km (0.08 R)
• M11: 4,136,830 km (0.081 R)
• M12: 4,928,053 km (0.089 R)
• M13: 6,610,580 km (0.025 R)
• M14: 8,412,487 km (0.034 R)
• M15: 9,550,777 km (0.097 R)
• M16: 11,410,578 km (0.085 R)
• M17: 12,276,899 km (0.075 R)
• M18: 12,954,876 km (0.062 R)
• M19: 13,342,335 km (0.086 R)
• M20: 14,801,064 km (0.105 R)
• M21: 15,918,560 km (0.097 R)
• M22: 18,710,654 km (0.095 R)
• M23: 19,709,519 km (0.08 R)
• M24: 20,429,534 km (0.07 R)
• M25: 24,647,596 km (0.117 R)
• M26: 32,150,228 km (0.108 R)
• M27: 39,244,757 km (0.091 R)
• M28: 41,543,927 km (0.081 R)
• M29: 48,049,639 km (0.073 R)
• M30: 48,419,445 km (0.05 R)
• M31: 52,613,870 km (0.108 R)
• M32: 56,837,617 km (0.089 R)
• M33: 60,418,242 km (0.041 R)
• M34: 70,616,179 km (0.097 R)
• M35: 81,640,046 km (0.066 R)
• M36: 86,462,034 km (0.032 R)
• M37: 86,735,349 km (0.047 R)
• M38: 91,187,083 km (0.081 R)
• M39: 92,895,042 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 18,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit