🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.94 AU - 1.24 AU

Year: 396 Days

Day: 27.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,113,715 km

• M1: 25,132 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.09 AU - 1.75 AU

Year: 589 Days

Day: 21.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 11.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.24 AU - 6.12 AU

Year: 4714 Days

Day: 9.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,113,715 km

• M1: 143,016 km (0.084 R)
• M2: 611,556 km (0.103 R)
• M3: 1,035,217 km (0.103 R)
• M4: 1,481,767 km (0.067 R)
• M5: 2,019,422 km (0.092 R)
• M6: 2,564,407 km (0.079 R)
• M7: 3,002,579 km (0.094 R)
• M8: 3,381,959 km (0.104 R)
• M9: 5,331,219 km (0.115 R)
• M10: 6,717,692 km (0.109 R)
• M11: 7,280,180 km (0.103 R)
• M12: 8,166,099 km (0.091 R)
• M13: 8,533,212 km (0.116 R)
• M14: 9,627,820 km (0.092 R)
• M15: 11,298,080 km (0.055 R)
• M16: 11,966,483 km (0.12 R)
• M17: 12,616,636 km (0.114 R)
• M18: 13,063,185 km (0.076 R)
• M19: 14,082,844 km (0.082 R)
• M20: 15,864,555 km (0.111 R)
• M21: 17,680,972 km (0.092 R)
• M22: 18,524,854 km (0.079 R)

Asteroid Belt

Center: 6.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 11.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.02 AU - 7.02 AU

Year: 6477 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,113,715 km

• M1: 141,968 km (0.105 R)
• M2: 530,324 km (0.105 R)
• M3: 1,017,714 km (0.116 R)
• M4: 1,668,166 km (0.108 R)
• M5: 2,325,349 km (0.118 R)
• M6: 2,930,772 km (0.09 R)
• M7: 4,432,136 km (0.083 R)
• M8: 6,593,975 km (0.044 R)
• M9: 7,007,164 km (0.042 R)
• M10: 7,511,159 km (0.094 R)
• M11: 8,312,256 km (0.092 R)
• M12: 10,084,692 km (0.115 R)
• M13: 12,352,745 km (0.1 R)
• M14: 12,876,038 km (0.079 R)
• M15: 13,633,303 km (0.067 R)
• M16: 14,420,188 km (0.095 R)
• M17: 14,824,850 km (0.076 R)
• M18: 15,356,221 km (0.12 R)
• M19: 16,394,580 km (0.106 R)
• M20: 17,414,090 km (0.078 R)
• M21: 21,918,033 km (0.117 R)
• M22: 22,299,657 km (0.112 R)
• M23: 24,274,648 km (0.063 R)
• M24: 27,407,676 km (0.105 R)
• M25: 30,991,742 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 9.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.56 AU - 9.16 AU

Year: 7674 Days

Day: 10.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,113,715 km

• M1: 114,592 km (0.073 R)
• M2: 407,056 km (0.091 R)
• M3: 700,716 km (0.118 R)
• M4: 1,106,575 km (0.046 R)
• M5: 1,404,574 km (0.085 R)
• M6: 2,168,272 km (0.086 R)
• M7: 3,185,986 km (0.05 R)
• M8: 3,537,690 km (0.047 R)
• M9: 3,846,610 km (0.083 R)
• M10: 7,219,294 km (0.117 R)
• M11: 10,435,947 km (0.078 R)
• M12: 10,936,053 km (0.106 R)
• M13: 12,033,354 km (0.031 R)
• M14: 12,331,352 km (0.106 R)
• M15: 13,097,892 km (0.115 R)
• M16: 18,053,471 km (0.113 R)
• M17: 18,444,370 km (0.058 R)
• M18: 22,370,118 km (0.103 R)
• M19: 22,897,001 km (0.041 R)
• M20: 27,328,988 km (0.051 R)
• M21: 30,063,338 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.7

Radius: 11.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.1 AU - 9.54 AU

Year: 9122 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,113,715 km

• M1: 143,165 km (0.057 R)
• M2: 580,889 km (0.059 R)
• M3: 2,103,944 km (0.104 R)
• M4: 2,621,703 km (0.113 R)
• M5: 4,232,722 km (0.052 R)
• M6: 5,292,174 km (0.08 R)
• M7: 7,572,943 km (0.065 R)
• M8: 8,529,023 km (0.104 R)
• M9: 9,097,346 km (0.033 R)
• M10: 11,627,345 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 5.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 12.39 AU - 16.19 AU

Year: 18812 Days

Day: 21.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,113,715 km

• M1: 67,169 km (0.111 R)
• M2: 243,097 km (0.045 R)
• M3: 769,382 km (0.102 R)
• M4: 972,386 km (0.073 R)
• M5: 1,176,438 km (0.056 R)
• M6: 1,357,601 km (0.069 R)
• M7: 1,918,593 km (0.107 R)
• M8: 2,602,554 km (0.1 R)
• M9: 3,111,037 km (0.112 R)
• M10: 4,211,778 km (0.084 R)
• M11: 4,408,200 km (0.08 R)
• M12: 5,065,833 km (0.11 R)
• M13: 5,483,959 km (0.112 R)
• M14: 6,243,617 km (0.052 R)
• M15: 7,189,374 km (0.087 R)
• M16: 7,552,149 km (0.091 R)
• M17: 8,624,018 km (0.118 R)
• M18: 9,744,805 km (0.104 R)
• M19: 11,494,203 km (0.104 R)
• M20: 13,202,760 km (0.102 R)
• M21: 13,869,518 km (0.098 R)
• M22: 14,431,557 km (0.108 R)
• M23: 15,073,781 km (0.109 R)
• M24: 17,979,719 km (0.081 R)
• M25: 18,423,277 km (0.092 R)
• M26: 20,670,237 km (0.094 R)
• M27: 22,406,919 km (0.066 R)
• M28: 22,920,488 km (0.117 R)
• M29: 23,441,837 km (0.072 R)
• M30: 31,062,352 km (0.075 R)
• M31: 31,700,686 km (0.077 R)
• M32: 33,668,198 km (0.087 R)
• M33: 43,932,107 km (0.081 R)

Asteroid Belt

Center: 15.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 16.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.9

Radius: 7.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 14.86 AU - 17.84 AU

Year: 23023 Days

Day: 18.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,113,715 km

• M1: 90,806 km (0.095 R)
• M2: 571,015 km (0.096 R)
• M3: 3,057,780 km (0.064 R)
• M4: 3,818,186 km (0.096 R)
• M5: 5,344,534 km (0.109 R)
• M6: 8,241,646 km (0.075 R)
• M7: 8,976,321 km (0.08 R)
• M8: 10,859,309 km (0.086 R)
• M9: 12,991,079 km (0.063 R)
• M10: 14,744,815 km (0.099 R)
• M11: 15,170,870 km (0.099 R)
• M12: 20,590,501 km (0.086 R)
• M13: 21,664,614 km (0.077 R)
• M14: 23,536,831 km (0.119 R)
• M15: 25,717,968 km (0.098 R)
• M16: 27,493,246 km (0.064 R)
• M17: 32,107,742 km (0.09 R)
• M18: 35,413,107 km (0.118 R)
• M19: 41,554,997 km (0.095 R)
• M20: 46,829,968 km (0.116 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 19,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit