🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.04 AU - 1.34 AU

Year: 465 Days

Day: 20.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.53 AU - 1.73 AU

Year: 745 Days

Day: 35.1 Hours

Environment

Temp: -31 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,905,301 km

• M1: 323,281 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.86 AU - 2.06 AU

Year: 983 Days

Day: 40.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,905,301 km

• M1: 221,704 km (0.09 R)
• M2: 1,173,147 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.18 AU - 2.32 AU

Year: 1209 Days

Day: 44.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.35 AU - 4.39 AU

Year: 2727 Days

Day: 32.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,905,301 km

• M1: 37,100 km (0.097 R)

Asteroid Belt

Center: 7.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.4

Radius: 12.7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.17 AU - 13.55 AU

Year: 12818 Days

Day: 14.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,905,301 km

• M1: 157,975 km (0.055 R)
• M2: 555,906 km (0.118 R)
• M3: 1,342,790 km (0.091 R)
• M4: 2,679,148 km (0.108 R)
• M5: 3,241,038 km (0.116 R)
• M6: 5,202,864 km (0.101 R)
• M7: 6,397,104 km (0.059 R)
• M8: 6,805,656 km (0.111 R)
• M9: 7,720,896 km (0.082 R)
• M10: 9,531,030 km (0.064 R)
• M11: 12,532,262 km (0.107 R)
• M12: 13,371,357 km (0.12 R)
• M13: 14,805,402 km (0.099 R)
• M14: 15,743,082 km (0.091 R)
• M15: 17,341,086 km (0.047 R)
• M16: 17,816,807 km (0.069 R)
• M17: 19,466,273 km (0.086 R)
• M18: 21,943,315 km (0.112 R)
• M19: 23,545,957 km (0.095 R)
• M20: 27,408,424 km (0.1 R)
• M21: 30,741,764 km (0.111 R)
• M22: 36,363,802 km (0.086 R)
• M23: 47,093,111 km (0.039 R)
• M24: 48,488,709 km (0.089 R)
• M25: 49,117,618 km (0.068 R)
• M26: 50,552,860 km (0.099 R)
• M27: 53,006,714 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.4

Radius: 3.4

Gravity: 52.63 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 15.18 AU - 18.34 AU

Year: 24574 Days

Day: 21.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,905,301 km

• M1: 42,336 km (0.065 R)
• M2: 385,813 km (0.105 R)
• M3: 556,205 km (0.085 R)
• M4: 875,746 km (0.09 R)
• M5: 1,201,570 km (0.066 R)
• M6: 1,465,760 km (0.033 R)
• M7: 2,663,440 km (0.107 R)
• M8: 4,255,910 km (0.112 R)
• M9: 7,735,407 km (0.113 R)
• M10: 7,994,061 km (0.034 R)
• M11: 8,312,106 km (0.043 R)
• M12: 11,364,202 km (0.082 R)
• M13: 12,598,385 km (0.068 R)
• M14: 13,469,044 km (0.12 R)
• M15: 16,152,381 km (0.112 R)
• M16: 18,798,169 km (0.099 R)
• M17: 22,967,013 km (0.082 R)
• M18: 23,825,256 km (0.115 R)
• M19: 24,927,942 km (0.073 R)
• M20: 26,411,504 km (0.115 R)
• M21: 27,472,452 km (0.049 R)
• M22: 30,184,811 km (0.05 R)
• M23: 32,532,600 km (0.037 R)
• M24: 36,856,128 km (0.113 R)
• M25: 38,328,470 km (0.062 R)
• M26: 38,777,713 km (0.07 R)
• M27: 51,001,205 km (0.036 R)
• M28: 55,076,102 km (0.045 R)
• M29: 59,763,003 km (0.069 R)
• M30: 66,631,490 km (0.11 R)
• M31: 73,315,373 km (0.108 R)
• M32: 75,404,358 km (0.109 R)
• M33: 80,432,193 km (0.08 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 16,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit