🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.62 AU - 0.68 AU

Year: 196 Days

Day: 38.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.13 AU - 1.29 AU

Year: 499 Days

Day: 23.4 Hours

Environment

Temp: -8 °C

Axial Tilt: 74 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 59,936,684 km

• M1: 38,895 km (0.051 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.84 AU - 2.72 AU

Year: 1290 Days

Day: 17.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.21 AU - 3.27 AU

Year: 1700 Days

Day: 18.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.52 AU - 3.8 AU

Year: 2105 Days

Day: 25.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,936,684 km

• M1: 403,017 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782

Radius: 9.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.6 AU - 10.92 AU

Year: 11426 Days

Day: 10.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,936,684 km

• M1: 120,576 km (0.063 R)
• M2: 501,302 km (0.066 R)
• M3: 1,480,869 km (0.054 R)
• M4: 2,755,443 km (0.066 R)
• M5: 4,617,637 km (0.119 R)
• M6: 5,199,274 km (0.094 R)
• M7: 5,938,736 km (0.111 R)
• M8: 7,981,046 km (0.081 R)
• M9: 9,062,190 km (0.096 R)
• M10: 10,131,965 km (0.085 R)
• M11: 10,506,707 km (0.116 R)
• M12: 14,442,178 km (0.061 R)
• M13: 17,072,408 km (0.089 R)
• M14: 18,619,549 km (0.037 R)
• M15: 19,182,636 km (0.108 R)
• M16: 21,286,281 km (0.111 R)
• M17: 23,726,222 km (0.052 R)
• M18: 26,750,792 km (0.056 R)
• M19: 31,812,436 km (0.086 R)
• M20: 32,270,654 km (0.095 R)
• M21: 37,097,729 km (0.11 R)
• M22: 38,246,640 km (0.11 R)
• M23: 39,947,568 km (0.095 R)
• M24: 41,154,374 km (0.096 R)
• M25: 43,922,982 km (0.11 R)
• M26: 46,665,859 km (0.071 R)
• M27: 47,555,218 km (0.107 R)
• M28: 49,828,059 km (0.097 R)
• M29: 50,446,197 km (0.065 R)
• M30: 52,649,923 km (0.115 R)
• M31: 53,613,633 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.3

Radius: 6

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 12.72 AU - 13.06 AU

Year: 17342 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,936,684 km

• M1: 79,736 km (0.113 R)
• M2: 343,477 km (0.069 R)
• M3: 1,279,211 km (0.097 R)
• M4: 1,534,575 km (0.073 R)
• M5: 1,858,006 km (0.06 R)
• M6: 2,073,127 km (0.106 R)
• M7: 2,469,262 km (0.1 R)
• M8: 3,490,717 km (0.079 R)
• M9: 3,735,908 km (0.093 R)
• M10: 4,478,063 km (0.085 R)
• M11: 5,349,769 km (0.114 R)
• M12: 5,750,692 km (0.075 R)
• M13: 6,369,429 km (0.089 R)
• M14: 6,694,954 km (0.103 R)
• M15: 7,692,921 km (0.098 R)
• M16: 10,587,341 km (0.104 R)
• M17: 12,306,669 km (0.112 R)
• M18: 13,396,639 km (0.044 R)
• M19: 16,212,669 km (0.103 R)
• M20: 16,973,674 km (0.113 R)
• M21: 17,599,591 km (0.079 R)
• M22: 17,918,235 km (0.082 R)
• M23: 19,484,524 km (0.107 R)
• M24: 20,519,442 km (0.08 R)
• M25: 20,872,493 km (0.096 R)
• M26: 25,027,125 km (0.079 R)
• M27: 26,665,072 km (0.092 R)
• M28: 28,811,353 km (0.053 R)
• M29: 31,186,070 km (0.094 R)
• M30: 35,050,632 km (0.112 R)
• M31: 35,936,550 km (0.113 R)
• M32: 36,449,521 km (0.067 R)
• M33: 42,417,878 km (0.046 R)
• M34: 47,299,107 km (0.118 R)
• M35: 48,849,090 km (0.115 R)
• M36: 53,701,596 km (0.095 R)
• M37: 54,371,795 km (0.049 R)
• M38: 54,878,184 km (0.083 R)
• M39: 55,729,246 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 20,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit