🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.89 AU - 1.01 AU

Year: 353 Days

Day: 23 Hours

Environment

Temp: 21 °C

Axial Tilt: 113.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1 AU - 1.16 AU

Year: 427 Days

Day: 42.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.11 AU - 1.29 AU

Year: 501 Days

Day: 31 Hours

Environment

Temp: -29 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.74 AU - 2.88 AU

Year: 1794 Days

Day: 34.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.16 AU - 3.4 AU

Year: 2262 Days

Day: 19.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,141,569 km

• M1: 157,527 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.56 AU - 4.14 AU

Year: 2335 Days

Day: 42.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,141,569 km

• M1: 2,551,541 km (0.083 R)

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.2

Radius: 9.8

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.19 AU - 7.15 AU

Year: 6560 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,141,569 km

• M1: 121,922 km (0.081 R)
• M2: 668,702 km (0.051 R)
• M3: 1,010,534 km (0.107 R)
• M4: 1,614,161 km (0.094 R)
• M5: 3,306,263 km (0.05 R)
• M6: 3,995,011 km (0.107 R)
• M7: 4,414,334 km (0.098 R)
• M8: 5,688,758 km (0.074 R)
• M9: 6,152,362 km (0.089 R)
• M10: 8,264,235 km (0.11 R)
• M11: 8,859,784 km (0.091 R)
• M12: 10,819,217 km (0.113 R)
• M13: 11,428,380 km (0.078 R)
• M14: 13,336,351 km (0.05 R)
• M15: 13,918,436 km (0.107 R)
• M16: 14,639,199 km (0.097 R)
• M17: 15,258,684 km (0.102 R)
• M18: 16,549,863 km (0.091 R)
• M19: 17,086,171 km (0.103 R)
• M20: 22,529,739 km (0.11 R)
• M21: 25,774,965 km (0.107 R)
• M22: 28,356,875 km (0.079 R)
• M23: 30,602,937 km (0.075 R)
• M24: 32,026,810 km (0.111 R)
• M25: 34,896,546 km (0.072 R)
• M26: 38,514,570 km (0.048 R)
• M27: 40,173,311 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 11.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.72 AU - 7.46 AU

Year: 7189 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,141,569 km

• M1: 146,756 km (0.111 R)
• M2: 534,962 km (0.095 R)
• M3: 1,017,565 km (0.102 R)
• M4: 1,948,662 km (0.074 R)
• M5: 2,376,362 km (0.042 R)
• M6: 3,209,922 km (0.109 R)
• M7: 3,671,880 km (0.088 R)
• M8: 4,649,053 km (0.107 R)
• M9: 5,331,818 km (0.107 R)
• M10: 7,407,488 km (0.083 R)
• M11: 8,020,839 km (0.078 R)
• M12: 9,046,632 km (0.115 R)
• M13: 10,818,768 km (0.104 R)
• M14: 11,508,115 km (0.089 R)
• M15: 14,038,563 km (0.071 R)
• M16: 17,049,819 km (0.06 R)
• M17: 17,848,372 km (0.116 R)
• M18: 19,021,968 km (0.094 R)
• M19: 20,616,232 km (0.068 R)
• M20: 22,063,292 km (0.028 R)
• M21: 23,252,745 km (0.076 R)
• M22: 27,346,640 km (0.119 R)
• M23: 28,998,350 km (0.109 R)
• M24: 29,848,665 km (0.108 R)
• M25: 33,314,399 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 13.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.82 AU - 11.94 AU

Year: 11826 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,141,569 km

• M1: 170,392 km (0.089 R)
• M2: 909,555 km (0.066 R)
• M3: 1,710,053 km (0.086 R)
• M4: 2,404,935 km (0.106 R)
• M5: 3,015,295 km (0.114 R)
• M6: 4,095,541 km (0.085 R)
• M7: 6,679,096 km (0.053 R)
• M8: 7,939,907 km (0.095 R)
• M9: 9,200,119 km (0.11 R)
• M10: 9,878,396 km (0.045 R)
• M11: 10,758,780 km (0.086 R)
• M12: 12,803,035 km (0.106 R)
• M13: 13,516,616 km (0.102 R)
• M14: 17,490,385 km (0.1 R)
• M15: 19,957,254 km (0.081 R)
• M16: 20,740,548 km (0.086 R)
• M17: 25,673,687 km (0.028 R)
• M18: 36,611,536 km (0.062 R)
• M19: 38,182,463 km (0.065 R)
• M20: 38,850,118 km (0.071 R)
• M21: 41,880,672 km (0.112 R)
• M22: 45,661,608 km (0.113 R)
• M23: 55,073,858 km (0.117 R)
• M24: 56,787,801 km (0.08 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 17,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit