🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.48 AU - 0.54 AU

Year: 134 Days

Day: 34.7 Hours

Environment

Temp: 216 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,480,959 km

• M1: 47,722 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.69 AU - 1.07 AU

Year: 305 Days

Day: 19.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 18.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.67 AU - 1.83 AU

Year: 854 Days

Day: 40.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,480,959 km

• M1: 49,816 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.01 AU - 4.81 AU

Year: 2853 Days

Day: 32.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,480,959 km

• M1: 41,887 km (0.097 R)
• M2: 2,152,713 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 10.3

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.91 AU - 7.47 AU

Year: 5682 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,480,959 km

• M1: 128,355 km (0.059 R)
• M2: 921,373 km (0.096 R)
• M3: 1,724,863 km (0.079 R)
• M4: 2,080,458 km (0.079 R)
• M5: 2,654,913 km (0.05 R)
• M6: 3,172,522 km (0.117 R)
• M7: 4,004,436 km (0.103 R)
• M8: 5,138,238 km (0.081 R)
• M9: 7,880,965 km (0.107 R)
• M10: 8,559,093 km (0.069 R)
• M11: 9,523,251 km (0.084 R)
• M12: 10,828,343 km (0.102 R)
• M13: 11,429,577 km (0.071 R)
• M14: 13,004,393 km (0.042 R)
• M15: 14,441,730 km (0.076 R)
• M16: 19,387,136 km (0.108 R)
• M17: 20,973,921 km (0.079 R)
• M18: 21,401,771 km (0.09 R)
• M19: 23,475,945 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 13.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.15 AU - 7.51 AU

Year: 5876 Days

Day: 14.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,480,959 km

• M1: 171,738 km (0.034 R)
• M2: 685,308 km (0.066 R)
• M3: 1,203,664 km (0.032 R)
• M4: 2,027,949 km (0.105 R)
• M5: 4,039,591 km (0.048 R)
• M6: 4,966,201 km (0.065 R)
• M7: 5,506,997 km (0.081 R)
• M8: 7,049,500 km (0.112 R)
• M9: 7,567,558 km (0.104 R)
• M10: 11,100,611 km (0.041 R)
• M11: 12,818,593 km (0.107 R)
• M12: 14,449,060 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 8.9

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.99 AU - 8.25 AU

Year: 7010 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,480,959 km

• M1: 115,340 km (0.114 R)
• M2: 421,118 km (0.042 R)
• M3: 747,840 km (0.087 R)
• M4: 1,173,745 km (0.119 R)
• M5: 1,728,903 km (0.075 R)
• M6: 2,036,027 km (0.084 R)
• M7: 2,467,467 km (0.054 R)
• M8: 2,978,942 km (0.096 R)
• M9: 3,358,173 km (0.086 R)
• M10: 3,651,834 km (0.049 R)
• M11: 5,728,551 km (0.053 R)
• M12: 7,274,944 km (0.078 R)
• M13: 8,952,984 km (0.084 R)
• M14: 11,219,541 km (0.094 R)
• M15: 11,931,627 km (0.057 R)
• M16: 13,389,608 km (0.102 R)
• M17: 13,901,083 km (0.11 R)
• M18: 15,267,360 km (0.088 R)
• M19: 17,514,919 km (0.085 R)
• M20: 18,195,439 km (0.108 R)
• M21: 18,472,644 km (0.074 R)
• M22: 19,827,851 km (0.117 R)
• M23: 20,195,264 km (0.088 R)
• M24: 20,792,608 km (0.103 R)
• M25: 21,171,839 km (0.055 R)
• M26: 22,735,136 km (0.112 R)
• M27: 28,069,198 km (0.108 R)
• M28: 29,001,043 km (0.075 R)
• M29: 29,284,681 km (0.104 R)
• M30: 29,953,383 km (0.089 R)
• M31: 31,620,053 km (0.115 R)
• M32: 33,141,164 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.8

Radius: 3

Gravity: 101.64 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 14.2 AU - 14.34 AU

Year: 19889 Days

Day: 21.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 83,480,959 km

• M1: 37,399 km (0.048 R)
• M2: 139,575 km (0.062 R)
• M3: 655,987 km (0.057 R)
• M4: 2,823,211 km (0.074 R)
• M5: 2,955,007 km (0.106 R)
• M6: 3,614,883 km (0.111 R)
• M7: 4,367,659 km (0.08 R)
• M8: 4,544,185 km (0.062 R)
• M9: 4,799,100 km (0.102 R)
• M10: 5,140,931 km (0.118 R)
• M11: 6,263,812 km (0.069 R)
• M12: 6,905,737 km (0.104 R)
• M13: 7,194,012 km (0.07 R)
• M14: 9,975,036 km (0.104 R)
• M15: 10,157,995 km (0.062 R)
• M16: 10,720,034 km (0.03 R)
• M17: 11,568,254 km (0.026 R)
• M18: 11,837,979 km (0.073 R)
• M19: 12,958,916 km (0.084 R)
• M20: 13,470,839 km (0.032 R)
• M21: 16,066,811 km (0.105 R)
• M22: 16,914,732 km (0.113 R)
• M23: 19,164,385 km (0.105 R)
• M24: 19,828,151 km (0.096 R)
• M25: 20,117,323 km (0.093 R)
• M26: 21,911,600 km (0.055 R)
• M27: 22,324,341 km (0.106 R)
• M28: 25,928,901 km (0.052 R)
• M29: 26,390,560 km (0.103 R)
• M30: 26,623,484 km (0.104 R)
• M31: 32,900,162 km (0.095 R)
• M32: 33,713,825 km (0.026 R)
• M33: 35,806,400 km (0.096 R)
• M34: 40,402,047 km (0.066 R)
• M35: 45,375,428 km (0.068 R)
• M36: 45,709,629 km (0.108 R)
• M37: 48,442,483 km (0.113 R)
• M38: 50,383,067 km (0.035 R)
• M39: 59,459,319 km (0.106 R)
• M40: 66,723,642 km (0.115 R)
• M41: 68,682,776 km (0.08 R)
• M42: 70,456,109 km (0.071 R)
• M43: 71,805,931 km (0.056 R)
• M44: 82,732,260 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit