🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.9 AU - 2.5 AU

Year: 1425 Days

Day: 39.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 10.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.31 AU - 3.29 AU

Year: 2045 Days

Day: 8.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,500,722 km

• M1: 135,536 km (0.101 R)
• M2: 474,973 km (0.098 R)
• M3: 1,682,976 km (0.101 R)
• M4: 2,173,657 km (0.056 R)
• M5: 2,758,734 km (0.112 R)
• M6: 3,837,036 km (0.075 R)
• M7: 4,521,895 km (0.077 R)
• M8: 5,037,708 km (0.058 R)
• M9: 5,510,737 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.5

Radius: 11.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.78 AU - 4.16 AU

Year: 2822 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,500,722 km

• M1: 146,008 km (0.109 R)
• M2: 663,616 km (0.038 R)
• M3: 1,091,616 km (0.115 R)
• M4: 1,699,731 km (0.045 R)
• M5: 3,868,900 km (0.116 R)
• M6: 5,276,466 km (0.106 R)
• M7: 6,150,866 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.8

Radius: 12.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.38 AU - 3.72 AU

Year: 2920 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,500,722 km

• M1: 155,582 km (0.07 R)
• M2: 646,712 km (0.106 R)
• M3: 1,179,878 km (0.105 R)
• M4: 1,668,465 km (0.083 R)
• M5: 2,068,191 km (0.078 R)
• M6: 3,029,955 km (0.071 R)
• M7: 4,427,798 km (0.099 R)
• M8: 5,978,829 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 12.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.97 AU - 5.45 AU

Year: 4462 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,500,722 km

• M1: 153,039 km (0.108 R)
• M2: 803,490 km (0.091 R)
• M3: 1,352,215 km (0.039 R)
• M4: 2,532,094 km (0.114 R)
• M5: 3,407,391 km (0.103 R)
• M6: 4,825,130 km (0.092 R)
• M7: 5,357,698 km (0.095 R)
• M8: 6,636,311 km (0.064 R)
• M9: 7,330,445 km (0.119 R)
• M10: 7,855,384 km (0.101 R)
• M11: 9,258,313 km (0.102 R)
• M12: 11,182,291 km (0.109 R)
• M13: 11,974,262 km (0.101 R)
• M14: 12,506,382 km (0.1 R)
• M15: 13,566,133 km (0.083 R)
• M16: 15,577,776 km (0.109 R)
• M17: 16,984,445 km (0.064 R)
• M18: 17,594,954 km (0.034 R)
• M19: 19,316,675 km (0.1 R)
• M20: 21,570,367 km (0.108 R)
• M21: 23,615,819 km (0.106 R)
• M22: 27,668,425 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.9

Radius: 13.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.26 AU - 5.74 AU

Year: 4881 Days

Day: 10.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,500,722 km

• M1: 169,195 km (0.086 R)
• M2: 765,642 km (0.094 R)
• M3: 1,207,554 km (0.091 R)
• M4: 3,182,545 km (0.096 R)
• M5: 4,215,369 km (0.068 R)
• M6: 4,681,815 km (0.091 R)
• M7: 5,956,538 km (0.083 R)
• M8: 7,521,482 km (0.085 R)
• M9: 8,785,733 km (0.096 R)
• M10: 11,078,470 km (0.06 R)
• M11: 12,069,706 km (0.053 R)
• M12: 12,813,207 km (0.12 R)
• M13: 16,038,238 km (0.043 R)
• M14: 21,014,312 km (0.077 R)
• M15: 27,354,270 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 12.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.03 AU - 5.07 AU

Year: 4954 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,500,722 km

• M1: 153,338 km (0.098 R)
• M2: 564,882 km (0.109 R)
• M3: 1,038,808 km (0.074 R)
• M4: 1,969,606 km (0.073 R)
• M5: 2,561,415 km (0.084 R)
• M6: 2,981,486 km (0.104 R)
• M7: 3,670,234 km (0.077 R)
• M8: 4,063,078 km (0.105 R)
• M9: 4,934,486 km (0.035 R)
• M10: 6,113,167 km (0.12 R)
• M11: 7,471,067 km (0.086 R)
• M12: 8,777,505 km (0.041 R)
• M13: 9,853,264 km (0.094 R)
• M14: 11,628,841 km (0.041 R)
• M15: 12,747,235 km (0.088 R)
• M16: 14,268,346 km (0.036 R)
• M17: 15,347,694 km (0.117 R)
• M18: 17,448,198 km (0.118 R)
• M19: 18,002,009 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 10.5

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.11 AU - 9.57 AU

Year: 10515 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,500,722 km

• M1: 131,796 km (0.105 R)
• M2: 507,586 km (0.086 R)
• M3: 982,409 km (0.079 R)
• M4: 1,409,810 km (0.089 R)
• M5: 1,859,651 km (0.105 R)
• M6: 2,325,648 km (0.107 R)
• M7: 3,243,731 km (0.064 R)
• M8: 4,855,498 km (0.072 R)
• M9: 5,818,609 km (0.107 R)
• M10: 6,541,466 km (0.077 R)
• M11: 7,195,658 km (0.099 R)
• M12: 10,364,739 km (0.106 R)
• M13: 11,254,248 km (0.092 R)
• M14: 13,248,387 km (0.091 R)
• M15: 14,430,360 km (0.09 R)
• M16: 18,798,020 km (0.096 R)
• M17: 30,810,878 km (0.063 R)
• M18: 32,878,470 km (0.114 R)
• M19: 33,826,472 km (0.063 R)
• M20: 35,777,079 km (0.115 R)
• M21: 37,160,859 km (0.054 R)
• M22: 38,710,693 km (0.118 R)
• M23: 41,663,456 km (0.118 R)
• M24: 42,633,598 km (0.106 R)
• M25: 52,053,178 km (0.115 R)
• M26: 54,484,143 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.9

Radius: 5.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 12.18 AU - 12.78 AU

Year: 19247 Days

Day: 16.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,500,722 km

• M1: 71,209 km (0.081 R)
• M2: 535,112 km (0.095 R)
• M3: 972,685 km (0.113 R)
• M4: 1,359,545 km (0.12 R)
• M5: 1,843,644 km (0.078 R)
• M6: 3,835,091 km (0.101 R)
• M7: 4,282,239 km (0.074 R)
• M8: 5,934,248 km (0.063 R)
• M9: 7,846,109 km (0.04 R)
• M10: 9,327,726 km (0.037 R)
• M11: 12,946,798 km (0.04 R)
• M12: 14,192,051 km (0.111 R)
• M13: 21,309,768 km (0.079 R)
• M14: 22,787,346 km (0.116 R)
• M15: 28,011,005 km (0.081 R)
• M16: 33,110,497 km (0.109 R)
• M17: 35,877,758 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 13,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit