🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.6 AU

Year: 138 Days

Day: 12.7 Hours

Environment

Temp: 243 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.78 AU - 1.28 AU

Year: 386 Days

Day: 36.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.06 AU - 1.72 AU

Year: 605 Days

Day: 47.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.85 AU - 1.89 AU

Year: 943 Days

Day: 30.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,222,365 km

• M1: 32,313 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.99 AU - 2.99 AU

Year: 1908 Days

Day: 42.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 11.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.74 AU - 6.84 AU

Year: 6528 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,222,365 km

• M1: 147,952 km (0.119 R)
• M2: 634,145 km (0.114 R)
• M3: 1,407,417 km (0.075 R)
• M4: 2,304,705 km (0.098 R)
• M5: 2,967,573 km (0.045 R)
• M6: 3,917,370 km (0.113 R)
• M7: 4,754,968 km (0.106 R)
• M8: 5,144,970 km (0.064 R)
• M9: 6,117,506 km (0.118 R)
• M10: 7,030,053 km (0.11 R)
• M11: 7,762,933 km (0.063 R)
• M12: 9,818,557 km (0.111 R)
• M13: 10,223,967 km (0.09 R)
• M14: 11,262,176 km (0.069 R)
• M15: 11,656,816 km (0.073 R)
• M16: 12,842,977 km (0.061 R)
• M17: 14,683,031 km (0.078 R)
• M18: 16,252,013 km (0.081 R)
• M19: 16,756,607 km (0.103 R)
• M20: 20,586,163 km (0.108 R)
• M21: 21,102,724 km (0.091 R)
• M22: 21,627,813 km (0.108 R)
• M23: 22,393,006 km (0.051 R)
• M24: 24,880,370 km (0.08 R)
• M25: 27,104,142 km (0.079 R)
• M26: 27,903,892 km (0.055 R)
• M27: 28,627,946 km (0.08 R)
• M28: 29,364,416 km (0.117 R)
• M29: 30,971,546 km (0.103 R)
• M30: 32,140,654 km (0.051 R)
• M31: 34,051,617 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.5

Radius: 6.5

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 12.92 AU - 20.64 AU

Year: 25361 Days

Day: 16.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,222,365 km

• M1: 85,121 km (0.1 R)
• M2: 305,180 km (0.073 R)
• M3: 607,218 km (0.103 R)
• M4: 1,362,537 km (0.057 R)
• M5: 2,207,616 km (0.098 R)
• M6: 3,791,857 km (0.075 R)
• M7: 4,067,716 km (0.105 R)
• M8: 7,709,377 km (0.095 R)
• M9: 10,393,462 km (0.057 R)
• M10: 12,945,153 km (0.06 R)
• M11: 13,501,357 km (0.096 R)
• M12: 15,342,458 km (0.09 R)
• M13: 18,364,934 km (0.066 R)
• M14: 19,424,536 km (0.119 R)
• M15: 22,251,187 km (0.073 R)
• M16: 25,126,159 km (0.068 R)
• M17: 30,859,198 km (0.099 R)
• M18: 34,290,226 km (0.05 R)
• M19: 37,967,192 km (0.099 R)
• M20: 45,932,680 km (0.107 R)
• M21: 48,208,662 km (0.053 R)
• M22: 49,206,629 km (0.093 R)
• M23: 53,513,552 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.3

Radius: 6.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 17.29 AU - 20.59 AU

Year: 30412 Days

Day: 16.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,222,365 km

• M1: 77,791 km (0.086 R)
• M2: 321,486 km (0.088 R)
• M3: 661,671 km (0.068 R)
• M4: 1,125,574 km (0.081 R)
• M5: 1,592,918 km (0.069 R)
• M6: 2,050,089 km (0.11 R)
• M7: 3,670,234 km (0.097 R)
• M8: 5,158,434 km (0.12 R)
• M9: 7,578,329 km (0.082 R)
• M10: 14,088,379 km (0.073 R)
• M11: 17,461,662 km (0.084 R)
• M12: 20,016,046 km (0.094 R)
• M13: 25,343,375 km (0.074 R)
• M14: 29,487,685 km (0.084 R)
• M15: 31,195,046 km (0.094 R)
• M16: 31,427,521 km (0.118 R)
• M17: 36,068,047 km (0.093 R)
• M18: 49,622,810 km (0.105 R)
• M19: 50,098,681 km (0.063 R)
• M20: 52,032,683 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.5

Radius: 6.5

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 14.67 AU - 23.49 AU

Year: 30750 Days

Day: 18.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,222,365 km

• M1: 81,082 km (0.119 R)
• M2: 325,076 km (0.066 R)
• M3: 606,171 km (0.059 R)
• M4: 1,047,185 km (0.057 R)
• M5: 1,720,974 km (0.119 R)
• M6: 2,034,980 km (0.074 R)
• M7: 3,241,038 km (0.089 R)
• M8: 3,659,164 km (0.114 R)
• M9: 4,045,725 km (0.079 R)
• M10: 4,249,028 km (0.092 R)
• M11: 5,699,828 km (0.107 R)
• M12: 6,960,939 km (0.076 R)
• M13: 10,778,676 km (0.109 R)
• M14: 13,201,563 km (0.114 R)
• M15: 14,264,905 km (0.068 R)
• M16: 14,978,038 km (0.109 R)
• M17: 16,647,251 km (0.103 R)
• M18: 16,907,851 km (0.052 R)
• M19: 17,796,462 km (0.095 R)
• M20: 18,160,434 km (0.093 R)
• M21: 18,529,491 km (0.077 R)
• M22: 20,549,063 km (0.032 R)
• M23: 22,924,527 km (0.032 R)
• M24: 26,762,012 km (0.089 R)
• M25: 32,067,201 km (0.114 R)
• M26: 35,249,746 km (0.096 R)
• M27: 40,643,797 km (0.054 R)
• M28: 41,593,294 km (0.119 R)
• M29: 43,536,272 km (0.103 R)
• M30: 44,197,195 km (0.082 R)
• M31: 64,457,833 km (0.12 R)
• M32: 64,885,982 km (0.092 R)
• M33: 74,793,849 km (0.065 R)
• M34: 76,697,183 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 13,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit