🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.61 AU - 0.97 AU

Year: 250 Days

Day: 33.2 Hours

Environment

Temp: 126 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,932,282 km

• M1: 51,462 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.11 AU - 3.99 AU

Year: 2384 Days

Day: 13.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.7

Radius: 6.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11.93 AU - 16.45 AU

Year: 19053 Days

Day: 16.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,932,282 km

• M1: 85,869 km (0.069 R)
• M2: 306,526 km (0.035 R)
• M3: 539,300 km (0.087 R)
• M4: 849,118 km (0.102 R)
• M5: 1,179,729 km (0.053 R)
• M6: 1,523,804 km (0.095 R)
• M7: 1,916,798 km (0.04 R)
• M8: 2,570,540 km (0.099 R)
• M9: 4,058,889 km (0.113 R)
• M10: 5,291,426 km (0.081 R)
• M11: 6,376,160 km (0.081 R)
• M12: 7,518,490 km (0.059 R)
• M13: 8,791,418 km (0.117 R)
• M14: 11,313,189 km (0.105 R)
• M15: 11,757,046 km (0.06 R)
• M16: 12,097,531 km (0.066 R)
• M17: 12,386,255 km (0.088 R)
• M18: 12,798,247 km (0.048 R)
• M19: 13,774,074 km (0.038 R)
• M20: 14,733,296 km (0.099 R)
• M21: 17,361,282 km (0.115 R)
• M22: 19,803,916 km (0.104 R)
• M23: 21,190,538 km (0.06 R)
• M24: 26,311,423 km (0.093 R)
• M25: 39,035,470 km (0.073 R)
• M26: 39,539,615 km (0.109 R)
• M27: 39,793,333 km (0.115 R)
• M28: 41,994,067 km (0.098 R)
• M29: 47,061,695 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.5

Radius: 3

Gravity: 25.5 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 11.66 AU - 17.7 AU

Year: 20049 Days

Day: 21.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,932,282 km

• M1: 37,399 km (0.111 R)
• M2: 138,228 km (0.109 R)
• M3: 288,125 km (0.032 R)
• M4: 441,763 km (0.091 R)
• M5: 585,376 km (0.035 R)
• M6: 741,407 km (0.059 R)
• M7: 1,274,723 km (0.104 R)
• M8: 1,690,606 km (0.102 R)
• M9: 2,043,806 km (0.047 R)
• M10: 2,324,601 km (0.044 R)
• M11: 2,546,605 km (0.062 R)
• M12: 2,804,362 km (0.079 R)
• M13: 3,629,843 km (0.06 R)
• M14: 3,872,790 km (0.075 R)
• M15: 4,667,154 km (0.071 R)
• M16: 4,889,606 km (0.099 R)
• M17: 5,152,450 km (0.117 R)
• M18: 6,530,845 km (0.032 R)
• M19: 7,178,454 km (0.102 R)
• M20: 12,643,713 km (0.086 R)
• M21: 15,804,117 km (0.096 R)
• M22: 17,038,749 km (0.051 R)
• M23: 17,948,005 km (0.078 R)
• M24: 18,969,010 km (0.12 R)
• M25: 21,471,633 km (0.108 R)
• M26: 23,256,934 km (0.1 R)
• M27: 27,940,095 km (0.117 R)
• M28: 28,883,010 km (0.072 R)
• M29: 31,838,316 km (0.057 R)
• M30: 32,982,142 km (0.055 R)
• M31: 36,206,724 km (0.076 R)
• M32: 39,374,160 km (0.09 R)
• M33: 40,028,949 km (0.076 R)
• M34: 40,292,990 km (0.111 R)
• M35: 44,393,019 km (0.027 R)
• M36: 48,015,082 km (0.089 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 17,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit