🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 45.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 158.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,460,220 km

• M1: 21,392 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 13.2

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 505 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,460,220 km

• M1: 164,558 km (0.12 R)
• M2: 635,193 km (0.038 R)
• M3: 1,333,964 km (0.106 R)
• M4: 1,945,221 km (0.107 R)
• M5: 2,455,948 km (0.099 R)
• M6: 2,905,041 km (0.064 R)
• M7: 3,374,030 km (0.08 R)
• M8: 4,078,487 km (0.108 R)
• M9: 4,879,135 km (0.11 R)
• M10: 5,579,701 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 11.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.73 AU - 1.07 AU

Year: 560 Days

Day: 8.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 69.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,460,220 km

• M1: 146,756 km (0.102 R)
• M2: 587,321 km (0.095 R)
• M3: 1,111,363 km (0.108 R)
• M4: 1,561,054 km (0.061 R)
• M5: 1,941,332 km (0.035 R)
• M6: 2,473,002 km (0.092 R)
• M7: 2,962,337 km (0.101 R)
• M8: 3,365,204 km (0.03 R)
• M9: 4,010,569 km (0.072 R)
• M10: 4,445,450 km (0.115 R)
• M11: 5,376,398 km (0.073 R)
• M12: 6,355,666 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 8.1

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.39 AU - 1.79 AU

Year: 1315 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,460,220 km

• M1: 100,679 km (0.066 R)
• M2: 556,055 km (0.108 R)
• M3: 1,019,958 km (0.101 R)
• M4: 1,553,275 km (0.113 R)
• M5: 1,868,777 km (0.067 R)
• M6: 2,411,218 km (0.091 R)
• M7: 2,797,630 km (0.065 R)
• M8: 3,138,863 km (0.093 R)
• M9: 3,401,706 km (0.06 R)
• M10: 3,775,102 km (0.116 R)
• M11: 4,350,605 km (0.106 R)
• M12: 5,200,770 km (0.06 R)
• M13: 5,549,333 km (0.104 R)
• M14: 6,045,699 km (0.104 R)
• M15: 7,531,804 km (0.041 R)
• M16: 8,667,701 km (0.062 R)
• M17: 9,698,280 km (0.114 R)
• M18: 9,975,934 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 12.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.06 AU - 2.96 AU

Year: 2609 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,460,220 km

• M1: 154,535 km (0.094 R)
• M2: 617,390 km (0.069 R)
• M3: 1,208,152 km (0.09 R)
• M4: 2,616,168 km (0.102 R)
• M5: 3,028,160 km (0.048 R)
• M6: 3,771,662 km (0.08 R)
• M7: 4,224,943 km (0.068 R)
• M8: 5,508,642 km (0.065 R)
• M9: 6,022,062 km (0.028 R)
• M10: 6,984,126 km (0.098 R)
• M11: 8,554,754 km (0.088 R)
• M12: 9,937,936 km (0.12 R)
• M13: 11,879,866 km (0.083 R)
• M14: 12,382,814 km (0.102 R)
• M15: 14,935,702 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.3

Radius: 8.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.05 AU - 5.29 AU

Year: 6620 Days

Day: 7.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,460,220 km

• M1: 109,655 km (0.084 R)
• M2: 408,103 km (0.04 R)
• M3: 1,102,237 km (0.092 R)
• M4: 3,697,012 km (0.104 R)
• M5: 6,902,745 km (0.076 R)
• M6: 11,111,980 km (0.093 R)
• M7: 12,394,932 km (0.12 R)
• M8: 12,876,338 km (0.114 R)
• M9: 13,979,023 km (0.117 R)
• M10: 17,186,402 km (0.074 R)
• M11: 21,534,613 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.3

Radius: 4.7

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.25 AU - 10.45 AU

Year: 17271 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,460,220 km

• M1: 58,493 km (0.05 R)
• M2: 218,562 km (0.068 R)
• M3: 463,305 km (0.106 R)
• M4: 1,352,215 km (0.079 R)
• M5: 1,542,653 km (0.081 R)
• M6: 2,842,210 km (0.076 R)
• M7: 4,042,583 km (0.073 R)
• M8: 5,648,965 km (0.119 R)
• M9: 6,554,780 km (0.049 R)
• M10: 7,595,682 km (0.11 R)
• M11: 10,776,731 km (0.111 R)
• M12: 11,649,785 km (0.084 R)
• M13: 11,818,681 km (0.118 R)
• M14: 12,866,015 km (0.116 R)
• M15: 16,097,479 km (0.075 R)
• M16: 17,899,385 km (0.106 R)
• M17: 35,343,395 km (0.111 R)
• M18: 35,934,755 km (0.079 R)
• M19: 40,260,228 km (0.112 R)
• M20: 45,335,485 km (0.116 R)
• M21: 47,165,067 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 16,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit