🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.12 AU - 1.22 AU

Year: 477 Days

Day: 39.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.5 AU - 4.04 AU

Year: 2228 Days

Day: 39.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.24 AU - 5.32 AU

Year: 3336 Days

Day: 20.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,512,628 km

• M1: 170,093 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 9.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.26 AU - 7.5 AU

Year: 7553 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,512,628 km

• M1: 125,213 km (0.112 R)
• M2: 442,361 km (0.094 R)
• M3: 814,112 km (0.09 R)
• M4: 1,334,114 km (0.112 R)
• M5: 1,774,081 km (0.097 R)
• M6: 2,262,369 km (0.034 R)
• M7: 5,305,638 km (0.112 R)
• M8: 5,769,541 km (0.074 R)
• M9: 7,116,969 km (0.07 R)
• M10: 7,864,360 km (0.106 R)
• M11: 8,314,500 km (0.097 R)
• M12: 8,742,051 km (0.085 R)
• M13: 10,466,914 km (0.058 R)
• M14: 10,919,747 km (0.078 R)
• M15: 16,377,077 km (0.091 R)
• M16: 16,988,035 km (0.105 R)
• M17: 17,424,711 km (0.082 R)
• M18: 18,190,652 km (0.097 R)
• M19: 18,582,000 km (0.103 R)
• M20: 20,764,932 km (0.115 R)
• M21: 21,264,290 km (0.09 R)
• M22: 22,065,237 km (0.047 R)
• M23: 23,113,469 km (0.062 R)
• M24: 26,457,431 km (0.046 R)
• M25: 30,201,716 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.3

Radius: 6.2

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 16.16 AU - 18.22 AU

Year: 26850 Days

Day: 17.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,512,628 km

• M1: 78,688 km (0.102 R)
• M2: 312,360 km (0.071 R)
• M3: 1,749,846 km (0.027 R)
• M4: 2,292,587 km (0.101 R)
• M5: 2,994,052 km (0.058 R)
• M6: 3,496,252 km (0.095 R)
• M7: 4,352,849 km (0.087 R)
• M8: 8,164,453 km (0.093 R)
• M9: 8,917,080 km (0.11 R)
• M10: 11,127,987 km (0.099 R)
• M11: 12,672,585 km (0.027 R)
• M12: 13,386,765 km (0.1 R)
• M13: 14,202,822 km (0.079 R)
• M14: 17,538,256 km (0.083 R)
• M15: 18,878,503 km (0.082 R)
• M16: 21,162,863 km (0.085 R)
• M17: 21,460,712 km (0.054 R)
• M18: 23,097,014 km (0.109 R)
• M19: 23,624,945 km (0.116 R)
• M20: 31,885,141 km (0.108 R)
• M21: 39,284,850 km (0.109 R)
• M22: 40,036,878 km (0.104 R)
• M23: 43,941,682 km (0.088 R)
• M24: 46,235,466 km (0.095 R)
• M25: 58,519,396 km (0.088 R)
• M26: 63,325,975 km (0.079 R)
• M27: 64,776,028 km (0.076 R)
• M28: 71,019,196 km (0.096 R)
• M29: 73,261,668 km (0.098 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: 545 - 12,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit