🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.44 AU - 1.72 AU

Year: 711 Days

Day: 46.3 Hours

Environment

Temp: -24 °C

Axial Tilt: 171.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.3 AU - 1.86 AU

Year: 711 Days

Day: 39.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,656,366 km

• M1: 26,778 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.52 AU - 2.74 AU

Year: 1528 Days

Day: 21.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,656,366 km

• M1: 49,367 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.57 AU - 4.05 AU

Year: 2157 Days

Day: 22.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 10.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.27 AU - 7.99 AU

Year: 6114 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,656,366 km

• M1: 128,205 km (0.108 R)
• M2: 472,879 km (0.037 R)
• M3: 2,166,028 km (0.109 R)
• M4: 2,886,491 km (0.107 R)
• M5: 3,649,590 km (0.078 R)
• M6: 4,825,728 km (0.11 R)
• M7: 5,316,110 km (0.119 R)
• M8: 7,798,986 km (0.088 R)
• M9: 8,436,871 km (0.088 R)
• M10: 9,604,931 km (0.099 R)
• M11: 11,388,587 km (0.108 R)
• M12: 15,253,298 km (0.105 R)
• M13: 18,769,147 km (0.094 R)
• M14: 21,827,825 km (0.116 R)
• M15: 23,628,984 km (0.093 R)
• M16: 27,184,925 km (0.089 R)
• M17: 30,805,642 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.2

Radius: 3.1

Gravity: 67.76 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 18.05 AU - 18.19 AU

Year: 27626 Days

Day: 22.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,656,366 km

• M1: 40,840 km (0.113 R)
• M2: 287,677 km (0.092 R)
• M3: 570,566 km (0.077 R)
• M4: 705,354 km (0.114 R)
• M5: 1,152,502 km (0.117 R)
• M6: 1,320,800 km (0.082 R)
• M7: 1,650,065 km (0.119 R)
• M8: 2,208,364 km (0.095 R)
• M9: 2,567,997 km (0.119 R)
• M10: 3,222,637 km (0.113 R)
• M11: 5,668,563 km (0.072 R)
• M12: 6,109,427 km (0.084 R)
• M13: 6,861,606 km (0.11 R)
• M14: 8,833,455 km (0.096 R)
• M15: 11,085,202 km (0.105 R)
• M16: 11,842,766 km (0.095 R)
• M17: 12,198,360 km (0.062 R)
• M18: 12,781,941 km (0.05 R)
• M19: 13,383,923 km (0.081 R)
• M20: 13,691,796 km (0.1 R)
• M21: 14,083,443 km (0.12 R)
• M22: 17,764,149 km (0.096 R)
• M23: 18,895,258 km (0.074 R)
• M24: 19,675,411 km (0.055 R)
• M25: 39,483,216 km (0.069 R)
• M26: 41,077,780 km (0.04 R)
• M27: 46,996,620 km (0.08 R)
• M28: 60,070,576 km (0.11 R)
• M29: 70,397,467 km (0.117 R)
• M30: 76,343,683 km (0.047 R)
• M31: 81,080,251 km (0.086 R)
• M32: 82,358,415 km (0.072 R)
• M33: 92,237,559 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.9

Radius: 3.5

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 18.87 AU - 19.57 AU

Year: 30179 Days

Day: 24.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,656,366 km

• M1: 43,683 km (0.086 R)
• M2: 301,440 km (0.068 R)
• M3: 1,031,926 km (0.113 R)
• M4: 2,086,741 km (0.091 R)
• M5: 5,237,870 km (0.096 R)
• M6: 5,502,509 km (0.095 R)
• M7: 7,328,052 km (0.078 R)
• M8: 8,504,639 km (0.109 R)
• M9: 10,378,651 km (0.111 R)
• M10: 15,525,865 km (0.06 R)
• M11: 20,160,407 km (0.118 R)
• M12: 28,196,057 km (0.072 R)
• M13: 47,348,624 km (0.056 R)
• M14: 48,989,114 km (0.051 R)
• M15: 54,314,798 km (0.113 R)
• M16: 55,028,829 km (0.103 R)
• M17: 66,911,537 km (0.108 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 15,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit