🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.38 AU - 0.62 AU

Year: 228 Days

Day: 13.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 13.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.23 AU - 1.77 AU

Year: 1186 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,474,056 km

• M1: 169,345 km (0.097 R)
• M2: 814,560 km (0.104 R)
• M3: 1,240,615 km (0.091 R)
• M4: 1,895,255 km (0.077 R)
• M5: 2,859,862 km (0.058 R)
• M6: 3,489,969 km (0.107 R)
• M7: 4,669,398 km (0.059 R)
• M8: 5,547,239 km (0.034 R)
• M9: 6,227,460 km (0.111 R)
• M10: 7,387,592 km (0.119 R)
• M11: 8,342,176 km (0.112 R)
• M12: 9,434,091 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.7

Radius: 11.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.6 AU - 2.5 AU

Year: 1895 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,474,056 km

• M1: 151,243 km (0.067 R)
• M2: 582,385 km (0.086 R)
• M3: 954,734 km (0.072 R)
• M4: 1,518,568 km (0.089 R)
• M5: 2,078,513 km (0.116 R)
• M6: 2,580,264 km (0.072 R)
• M7: 2,950,220 km (0.078 R)
• M8: 3,370,141 km (0.042 R)
• M9: 3,987,232 km (0.097 R)
• M10: 5,310,575 km (0.059 R)
• M11: 6,431,362 km (0.069 R)
• M12: 8,831,510 km (0.078 R)
• M13: 9,623,182 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 14.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.17 AU - 3.11 AU

Year: 2770 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,474,056 km

• M1: 184,155 km (0.086 R)
• M2: 955,482 km (0.063 R)
• M3: 1,644,380 km (0.108 R)
• M4: 2,624,844 km (0.12 R)
• M5: 3,212,165 km (0.096 R)
• M6: 4,301,986 km (0.104 R)
• M7: 5,149,159 km (0.041 R)
• M8: 5,969,553 km (0.106 R)
• M9: 6,995,047 km (0.045 R)
• M10: 8,201,853 km (0.049 R)
• M11: 8,714,824 km (0.092 R)
• M12: 10,823,256 km (0.113 R)
• M13: 12,435,772 km (0.066 R)
• M14: 14,645,632 km (0.058 R)
• M15: 17,327,772 km (0.108 R)
• M16: 17,833,113 km (0.085 R)
• M17: 20,076,034 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 14.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.16 AU - 3.4 AU

Year: 3836 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,474,056 km

• M1: 177,872 km (0.081 R)
• M2: 665,112 km (0.096 R)
• M3: 1,411,755 km (0.094 R)
• M4: 2,270,896 km (0.039 R)
• M5: 2,820,069 km (0.057 R)
• M6: 3,684,147 km (0.118 R)
• M7: 4,947,202 km (0.078 R)
• M8: 5,399,885 km (0.077 R)
• M9: 8,576,596 km (0.119 R)
• M10: 10,132,713 km (0.073 R)
• M11: 11,406,838 km (0.095 R)
• M12: 11,870,142 km (0.109 R)
• M13: 15,530,952 km (0.098 R)
• M14: 16,862,822 km (0.1 R)
• M15: 17,343,480 km (0.043 R)
• M16: 19,228,114 km (0.09 R)
• M17: 21,595,649 km (0.066 R)
• M18: 25,541,742 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.1

Radius: 10.4

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.21 AU - 3.99 AU

Year: 4410 Days

Day: 11.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,474,056 km

• M1: 129,402 km (0.05 R)
• M2: 572,062 km (0.073 R)
• M3: 911,799 km (0.087 R)
• M4: 1,979,479 km (0.095 R)
• M5: 2,690,518 km (0.077 R)
• M6: 4,489,731 km (0.093 R)
• M7: 4,849,365 km (0.11 R)
• M8: 5,340,046 km (0.056 R)
• M9: 5,744,409 km (0.059 R)
• M10: 6,517,530 km (0.068 R)
• M11: 6,946,128 km (0.098 R)
• M12: 8,538,598 km (0.088 R)
• M13: 9,052,466 km (0.117 R)
• M14: 11,364,352 km (0.063 R)
• M15: 11,840,971 km (0.076 R)
• M16: 12,988,087 km (0.042 R)
• M17: 17,874,253 km (0.063 R)
• M18: 18,259,617 km (0.096 R)
• M19: 19,651,924 km (0.12 R)
• M20: 19,993,606 km (0.08 R)
• M21: 21,544,487 km (0.08 R)
• M22: 22,423,524 km (0.088 R)
• M23: 24,488,423 km (0.074 R)
• M24: 27,349,782 km (0.076 R)
• M25: 28,904,852 km (0.099 R)
• M26: 30,426,861 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 11.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.19 AU - 4.09 AU

Year: 4484 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,474,056 km

• M1: 141,819 km (0.098 R)
• M2: 592,707 km (0.029 R)
• M3: 957,426 km (0.113 R)
• M4: 1,345,034 km (0.073 R)
• M5: 1,777,372 km (0.079 R)
• M6: 2,708,619 km (0.036 R)
• M7: 3,667,392 km (0.084 R)
• M8: 4,454,725 km (0.103 R)
• M9: 5,065,384 km (0.1 R)
• M10: 5,593,464 km (0.071 R)
• M11: 7,401,205 km (0.071 R)
• M12: 8,366,411 km (0.038 R)
• M13: 9,768,143 km (0.107 R)
• M14: 10,296,073 km (0.103 R)
• M15: 12,318,487 km (0.069 R)
• M16: 13,873,258 km (0.119 R)
• M17: 16,787,574 km (0.105 R)
• M18: 18,144,576 km (0.085 R)
• M19: 18,633,312 km (0.055 R)
• M20: 19,005,661 km (0.054 R)
• M21: 20,152,479 km (0.111 R)
• M22: 22,374,007 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.9

Radius: 5.7

Gravity: 26.47 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.84 AU - 10.5 AU

Year: 19416 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,474,056 km

• M1: 172,187 km (0.042 R)
• M2: 571,763 km (0.097 R)
• M3: 881,131 km (0.104 R)
• M4: 1,087,876 km (0.054 R)
• M5: 1,327,232 km (0.101 R)
• M6: 1,584,092 km (0.07 R)
• M7: 1,951,803 km (0.111 R)
• M8: 2,805,558 km (0.104 R)
• M9: 3,013,200 km (0.117 R)
• M10: 5,491,588 km (0.117 R)
• M11: 6,553,135 km (0.094 R)
• M12: 9,941,526 km (0.084 R)
• M13: 10,425,775 km (0.042 R)
• M14: 10,611,426 km (0.088 R)
• M15: 11,573,041 km (0.071 R)
• M16: 16,583,971 km (0.066 R)
• M17: 18,410,711 km (0.065 R)
• M18: 19,233,200 km (0.096 R)
• M19: 24,145,096 km (0.054 R)
• M20: 27,179,091 km (0.115 R)
• M21: 30,837,806 km (0.096 R)
• M22: 31,220,776 km (0.047 R)
• M23: 33,050,059 km (0.099 R)
• M24: 39,113,710 km (0.107 R)
• M25: 40,775,892 km (0.105 R)
• M26: 41,702,202 km (0.075 R)
• M27: 42,642,424 km (0.11 R)
• M28: 45,547,615 km (0.088 R)
• M29: 54,676,825 km (0.091 R)
• M30: 55,237,817 km (0.062 R)
• M31: 63,089,012 km (0.082 R)
• M32: 63,706,253 km (0.103 R)
• M33: 65,581,762 km (0.097 R)
• M34: 69,881,055 km (0.116 R)
• M35: 71,206,492 km (0.087 R)
• M36: 75,283,333 km (0.068 R)
• M37: 78,797,387 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 12,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit