🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.48 AU - 0.72 AU

Year: 296 Days

Day: 44.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,050,788 km

• M1: 95,443 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.7

Radius: 9.5

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.74 AU - 1.14 AU

Year: 579 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,050,788 km

• M1: 118,182 km (0.106 R)
• M2: 588,069 km (0.116 R)
• M3: 1,000,211 km (0.107 R)
• M4: 1,361,939 km (0.087 R)
• M5: 1,845,140 km (0.117 R)
• M6: 2,189,514 km (0.107 R)
• M7: 2,799,126 km (0.071 R)
• M8: 3,464,537 km (0.095 R)
• M9: 4,081,778 km (0.12 R)
• M10: 4,988,341 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 10.8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.87 AU - 1.11 AU

Year: 626 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,050,788 km

• M1: 134,339 km (0.086 R)
• M2: 475,272 km (0.098 R)
• M3: 842,984 km (0.07 R)
• M4: 1,304,194 km (0.07 R)
• M5: 1,702,274 km (0.055 R)
• M6: 2,238,433 km (0.105 R)
• M7: 2,706,674 km (0.062 R)
• M8: 3,326,757 km (0.108 R)
• M9: 4,170,041 km (0.111 R)
• M10: 4,689,744 km (0.067 R)
• M11: 5,065,533 km (0.112 R)
• M12: 5,496,974 km (0.088 R)
• M13: 6,046,746 km (0.077 R)
• M14: 6,572,732 km (0.115 R)
• M15: 6,919,500 km (0.046 R)
• M16: 7,299,927 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 14.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.49 AU - 3.85 AU

Year: 3589 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,050,788 km

• M1: 186,249 km (0.112 R)
• M2: 770,728 km (0.092 R)
• M3: 1,523,654 km (0.104 R)
• M4: 2,022,114 km (0.116 R)
• M5: 2,646,386 km (0.055 R)
• M6: 3,473,214 km (0.103 R)
• M7: 4,052,606 km (0.062 R)
• M8: 4,909,653 km (0.075 R)
• M9: 6,773,193 km (0.112 R)
• M10: 7,360,664 km (0.072 R)
• M11: 8,288,620 km (0.108 R)
• M12: 11,202,936 km (0.071 R)
• M13: 15,468,569 km (0.111 R)
• M14: 19,704,882 km (0.105 R)
• M15: 22,155,893 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 9.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.85 AU - 4.65 AU

Year: 4617 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,050,788 km

• M1: 118,182 km (0.106 R)
• M2: 445,951 km (0.096 R)
• M3: 761,304 km (0.07 R)
• M4: 1,512,584 km (0.099 R)
• M5: 2,080,607 km (0.066 R)
• M6: 3,193,167 km (0.117 R)
• M7: 3,676,966 km (0.062 R)
• M8: 4,514,714 km (0.117 R)
• M9: 5,148,112 km (0.105 R)
• M10: 5,594,512 km (0.082 R)
• M11: 7,378,017 km (0.057 R)
• M12: 11,273,546 km (0.104 R)
• M13: 13,329,469 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.3

Radius: 10.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.91 AU - 4.93 AU

Year: 6939 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 92.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,050,788 km

• M1: 129,402 km (0.049 R)
• M2: 485,744 km (0.102 R)
• M3: 1,072,766 km (0.045 R)
• M4: 1,402,630 km (0.072 R)
• M5: 1,828,086 km (0.086 R)
• M6: 2,354,970 km (0.045 R)
• M7: 2,814,834 km (0.09 R)
• M8: 3,541,879 km (0.089 R)
• M9: 3,984,539 km (0.115 R)
• M10: 7,605,107 km (0.054 R)
• M11: 14,535,528 km (0.115 R)
• M12: 16,809,266 km (0.116 R)
• M13: 18,320,952 km (0.108 R)
• M14: 19,852,834 km (0.109 R)
• M15: 20,405,150 km (0.055 R)
• M16: 21,181,263 km (0.113 R)
• M17: 22,493,685 km (0.081 R)
• M18: 24,248,468 km (0.035 R)
• M19: 25,039,093 km (0.099 R)
• M20: 28,461,892 km (0.104 R)
• M21: 29,075,842 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.4

Radius: 5.2

Gravity: 27.86 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.37 AU - 8.39 AU

Year: 15424 Days

Day: 21.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,050,788 km

• M1: 71,059 km (0.1 R)
• M2: 310,416 km (0.12 R)
• M3: 684,560 km (0.081 R)
• M4: 1,083,388 km (0.116 R)
• M5: 1,251,386 km (0.091 R)
• M6: 2,371,874 km (0.116 R)
• M7: 3,067,056 km (0.106 R)
• M8: 3,714,066 km (0.119 R)
• M9: 4,713,081 km (0.107 R)
• M10: 7,407,937 km (0.072 R)
• M11: 13,894,351 km (0.107 R)
• M12: 20,630,294 km (0.113 R)
• M13: 28,013,996 km (0.093 R)
• M14: 31,499,178 km (0.049 R)
• M15: 36,314,285 km (0.106 R)
• M16: 45,032,400 km (0.093 R)
• M17: 47,848,580 km (0.079 R)
• M18: 57,899,313 km (0.114 R)
• M19: 59,177,776 km (0.075 R)
• M20: 61,224,574 km (0.074 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: 186 - 16,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit