🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.47 AU - 0.54 AU

Year: 225 Days

Day: 29.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.56 AU - 0.58 AU

Year: 274 Days

Day: 41.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.7

Radius: 10

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.06 AU - 1.28 AU

Year: 805 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 17,293,416 km

• M1: 129,103 km (0.082 R)
• M2: 534,513 km (0.116 R)
• M3: 997,219 km (0.107 R)
• M4: 4,072,054 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 8.5

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.24 AU - 2.26 AU

Year: 2146 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,293,416 km

• M1: 106,663 km (0.109 R)
• M2: 388,506 km (0.104 R)
• M3: 699,669 km (0.078 R)
• M4: 999,613 km (0.111 R)
• M5: 1,848,730 km (0.108 R)
• M6: 2,670,920 km (0.094 R)
• M7: 3,131,083 km (0.104 R)
• M8: 3,406,942 km (0.08 R)
• M9: 4,568,719 km (0.092 R)
• M10: 4,902,322 km (0.075 R)
• M11: 5,323,889 km (0.101 R)
• M12: 6,133,214 km (0.071 R)
• M13: 6,849,189 km (0.116 R)
• M14: 7,346,602 km (0.113 R)
• M15: 7,712,219 km (0.04 R)
• M16: 9,689,155 km (0.109 R)
• M17: 10,813,981 km (0.043 R)
• M18: 11,733,709 km (0.111 R)
• M19: 12,276,001 km (0.073 R)
• M20: 12,922,414 km (0.113 R)
• M21: 13,682,371 km (0.099 R)
• M22: 14,330,279 km (0.093 R)
• M23: 14,709,510 km (0.118 R)
• M24: 15,241,929 km (0.12 R)
• M25: 18,264,554 km (0.098 R)

Asteroid Belt

Center: 2.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 11.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.51 AU - 3.27 AU

Year: 3124 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,293,416 km

• M1: 158,873 km (0.069 R)
• M2: 554,260 km (0.044 R)
• M3: 1,014,274 km (0.081 R)
• M4: 1,460,524 km (0.106 R)
• M5: 1,980,676 km (0.094 R)
• M6: 2,355,568 km (0.072 R)
• M7: 7,179,202 km (0.094 R)
• M8: 7,808,710 km (0.106 R)
• M9: 9,410,005 km (0.116 R)
• M10: 10,774,936 km (0.098 R)
• M11: 11,333,535 km (0.1 R)
• M12: 12,068,958 km (0.075 R)
• M13: 13,378,986 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 8.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.35 AU - 3.65 AU

Year: 4163 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,293,416 km

• M1: 106,962 km (0.073 R)
• M2: 523,144 km (0.116 R)
• M3: 824,733 km (0.068 R)
• M4: 1,138,739 km (0.104 R)
• M5: 1,631,066 km (0.093 R)
• M6: 1,977,833 km (0.095 R)
• M7: 2,432,312 km (0.119 R)
• M8: 3,127,493 km (0.085 R)
• M9: 3,550,406 km (0.112 R)
• M10: 4,354,944 km (0.105 R)
• M11: 4,835,751 km (0.047 R)
• M12: 5,200,620 km (0.118 R)
• M13: 5,479,770 km (0.084 R)
• M14: 7,530,458 km (0.086 R)
• M15: 8,189,885 km (0.103 R)
• M16: 10,241,769 km (0.116 R)
• M17: 11,218,045 km (0.056 R)
• M18: 14,074,317 km (0.099 R)
• M19: 14,418,991 km (0.059 R)
• M20: 14,769,199 km (0.108 R)
• M21: 15,125,242 km (0.069 R)
• M22: 16,443,499 km (0.053 R)
• M23: 17,951,296 km (0.11 R)
• M24: 19,427,827 km (0.096 R)
• M25: 20,983,645 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 10.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.12 AU - 4.5 AU

Year: 5689 Days

Day: 6.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 17,293,416 km

• M1: 125,662 km (0.08 R)
• M2: 845,378 km (0.116 R)
• M3: 1,483,412 km (0.11 R)
• M4: 2,257,432 km (0.094 R)
• M5: 7,332,988 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 13.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.4 AU - 6.36 AU

Year: 7934 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,293,416 km

• M1: 162,912 km (0.111 R)
• M2: 950,246 km (0.097 R)
• M3: 1,389,615 km (0.048 R)
• M4: 2,013,887 km (0.119 R)
• M5: 2,684,983 km (0.119 R)
• M6: 4,698,570 km (0.064 R)
• M7: 5,820,255 km (0.113 R)
• M8: 6,891,525 km (0.053 R)
• M9: 8,212,923 km (0.057 R)
• M10: 11,507,816 km (0.117 R)
• M11: 13,825,536 km (0.085 R)
• M12: 15,789,158 km (0.112 R)
• M13: 18,284,151 km (0.063 R)
• M14: 30,110,461 km (0.043 R)
• M15: 38,277,308 km (0.086 R)
• M16: 39,807,993 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 10.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.08 AU - 6.76 AU

Year: 8023 Days

Day: 8 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 17,293,416 km

• M1: 130,898 km (0.067 R)
• M2: 911,500 km (0.089 R)
• M3: 1,318,855 km (0.097 R)
• M4: 1,833,322 km (0.114 R)
• M5: 2,253,393 km (0.03 R)
• M6: 3,581,672 km (0.085 R)
• M7: 4,536,555 km (0.099 R)
• M8: 5,465,409 km (0.098 R)
• M9: 6,343,847 km (0.103 R)
• M10: 8,134,384 km (0.056 R)
• M11: 10,622,646 km (0.047 R)
• M12: 17,790,179 km (0.095 R)
• M13: 18,626,580 km (0.03 R)
• M14: 21,526,386 km (0.09 R)
• M15: 22,879,798 km (0.087 R)
• M16: 23,288,499 km (0.074 R)
• M17: 25,318,243 km (0.112 R)
• M18: 25,843,631 km (0.115 R)
• M19: 27,647,482 km (0.09 R)
• M20: 28,485,978 km (0.089 R)
• M21: 29,245,337 km (0.111 R)
• M22: 30,409,806 km (0.062 R)
• M23: 31,705,922 km (0.099 R)
• M24: 37,712,277 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.1

Radius: 7.3

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.33 AU - 8.69 AU

Year: 11801 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,293,416 km

• M1: 128,505 km (0.106 R)
• M2: 484,847 km (0.077 R)
• M3: 1,754,334 km (0.096 R)
• M4: 3,588,105 km (0.105 R)
• M5: 4,151,042 km (0.119 R)
• M6: 4,453,977 km (0.099 R)
• M7: 4,685,405 km (0.087 R)
• M8: 5,499,816 km (0.047 R)
• M9: 6,728,015 km (0.062 R)
• M10: 9,098,243 km (0.115 R)
• M11: 11,615,227 km (0.073 R)
• M12: 12,715,221 km (0.043 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 14,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit