🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.03 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.18 AU - 4.94 AU

Year: 2355 Days

Day: 18.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,285,767 km

• M1: 38,746 km (0.055 R)
• M2: 505,342 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.6 AU - 5.84 AU

Year: 3433 Days

Day: 38.9 Hours

Environment

Temp: -75 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 14.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 8.4

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.57 AU - 16.33 AU

Year: 16639 Days

Day: 12.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,285,767 km

• M1: 104,569 km (0.062 R)
• M2: 435,330 km (0.088 R)
• M3: 823,387 km (0.032 R)
• M4: 1,248,245 km (0.109 R)
• M5: 1,528,142 km (0.117 R)
• M6: 2,703,832 km (0.112 R)
• M7: 3,679,958 km (0.107 R)
• M8: 4,168,245 km (0.103 R)
• M9: 5,735,882 km (0.113 R)
• M10: 8,305,674 km (0.08 R)
• M11: 9,038,105 km (0.117 R)
• M12: 9,984,461 km (0.045 R)
• M13: 10,392,863 km (0.083 R)
• M14: 13,570,771 km (0.057 R)
• M15: 14,290,636 km (0.085 R)
• M16: 15,728,421 km (0.119 R)
• M17: 27,328,389 km (0.095 R)
• M18: 28,475,207 km (0.097 R)
• M19: 34,695,037 km (0.036 R)
• M20: 35,094,763 km (0.105 R)
• M21: 36,039,174 km (0.102 R)
• M22: 36,862,112 km (0.119 R)
• M23: 39,695,645 km (0.027 R)
• M24: 42,064,528 km (0.087 R)
• M25: 43,129,964 km (0.058 R)
• M26: 44,683,089 km (0.046 R)
• M27: 48,895,166 km (0.082 R)
• M28: 49,229,667 km (0.079 R)
• M29: 55,153,593 km (0.068 R)
• M30: 58,286,322 km (0.119 R)
• M31: 60,760,372 km (0.095 R)
• M32: 62,121,264 km (0.089 R)
• M33: 64,300,456 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 11.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 15.54 AU - 19.58 AU

Year: 21182 Days

Day: 10.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,285,767 km

• M1: 146,456 km (0.114 R)
• M2: 582,385 km (0.091 R)
• M3: 1,016,069 km (0.104 R)
• M4: 1,491,341 km (0.104 R)
• M5: 1,882,689 km (0.113 R)
• M6: 2,343,301 km (0.062 R)
• M7: 2,804,661 km (0.111 R)
• M8: 3,271,406 km (0.106 R)
• M9: 3,759,544 km (0.084 R)
• M10: 4,566,026 km (0.105 R)
• M11: 5,065,982 km (0.055 R)
• M12: 6,609,982 km (0.1 R)
• M13: 8,034,902 km (0.064 R)
• M14: 8,819,692 km (0.03 R)
• M15: 11,808,807 km (0.103 R)
• M16: 12,685,002 km (0.098 R)
• M17: 15,103,551 km (0.109 R)
• M18: 18,251,838 km (0.088 R)
• M19: 21,320,539 km (0.086 R)
• M20: 25,592,456 km (0.111 R)
• M21: 26,487,949 km (0.05 R)
• M22: 27,173,107 km (0.096 R)
• M23: 29,299,641 km (0.091 R)
• M24: 32,564,165 km (0.116 R)
• M25: 34,825,038 km (0.092 R)
• M26: 46,386,261 km (0.036 R)
• M27: 62,051,551 km (0.112 R)
• M28: 65,724,179 km (0.087 R)
• M29: 69,755,393 km (0.118 R)
• M30: 72,163,170 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.9

Radius: 13.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 17.13 AU - 19.25 AU

Year: 22332 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,285,767 km

• M1: 173,833 km (0.115 R)
• M2: 672,592 km (0.06 R)
• M3: 1,514,379 km (0.096 R)
• M4: 2,805,858 km (0.041 R)
• M5: 4,590,859 km (0.062 R)
• M6: 5,078,549 km (0.053 R)
• M7: 6,203,525 km (0.094 R)
• M8: 6,754,194 km (0.035 R)
• M9: 9,116,793 km (0.117 R)
• M10: 14,127,275 km (0.097 R)
• M11: 16,861,176 km (0.071 R)
• M12: 20,626,854 km (0.079 R)
• M13: 27,641,199 km (0.084 R)
• M14: 42,608,017 km (0.083 R)
• M15: 61,164,585 km (0.111 R)
• M16: 61,791,849 km (0.087 R)
• M17: 62,846,963 km (0.117 R)
• M18: 69,885,992 km (0.057 R)
• M19: 76,219,966 km (0.085 R)
• M20: 78,413,519 km (0.113 R)

Kuiper Belt

Range: 38.1 - 63.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit