🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.51 AU - 0.71 AU

Year: 209 Days

Day: 42.1 Hours

Environment

Temp: -4 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.56 AU - 0.84 AU

Year: 258 Days

Day: 20.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.6 AU - 0.92 AU

Year: 291 Days

Day: 32.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,458,783 km

• M1: 623,075 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.12 AU - 1.58 AU

Year: 690 Days

Day: 31.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.41 AU - 1.91 AU

Year: 940 Days

Day: 47.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,458,783 km

• M1: 28,573 km (0.082 R)
• M2: 41,289 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.2

Radius: 11.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.96 AU - 3.3 AU

Year: 2435 Days

Day: 6.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 175.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,458,783 km

• M1: 158,574 km (0.09 R)
• M2: 580,141 km (0.091 R)
• M3: 1,471,893 km (0.082 R)
• M4: 2,019,122 km (0.118 R)
• M5: 2,439,343 km (0.085 R)
• M6: 3,024,271 km (0.097 R)
• M7: 3,596,034 km (0.101 R)
• M8: 4,297,498 km (0.075 R)
• M9: 5,088,272 km (0.119 R)
• M10: 7,319,375 km (0.085 R)
• M11: 9,789,535 km (0.115 R)
• M12: 10,314,624 km (0.115 R)
• M13: 13,186,304 km (0.074 R)
• M14: 14,045,744 km (0.116 R)
• M15: 15,311,192 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.3

Radius: 10.8

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.85 AU - 4.41 AU

Year: 3691 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,458,783 km

• M1: 136,732 km (0.115 R)
• M2: 547,528 km (0.078 R)
• M3: 1,229,545 km (0.055 R)
• M4: 1,943,426 km (0.109 R)
• M5: 2,527,905 km (0.062 R)
• M6: 3,539,785 km (0.071 R)
• M7: 7,396,119 km (0.113 R)
• M8: 8,230,576 km (0.107 R)
• M9: 8,783,340 km (0.12 R)
• M10: 9,165,413 km (0.108 R)
• M11: 10,505,810 km (0.098 R)
• M12: 12,490,674 km (0.064 R)
• M13: 15,751,160 km (0.055 R)
• M14: 18,339,203 km (0.101 R)
• M15: 26,339,847 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 10.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.34 AU - 7.38 AU

Year: 7053 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,458,783 km

• M1: 134,488 km (0.117 R)
• M2: 792,719 km (0.057 R)
• M3: 1,151,754 km (0.052 R)
• M4: 1,738,926 km (0.099 R)
• M5: 2,110,078 km (0.053 R)
• M6: 3,713,917 km (0.119 R)
• M7: 4,187,544 km (0.041 R)
• M8: 4,781,597 km (0.109 R)
• M9: 5,854,812 km (0.085 R)
• M10: 6,906,485 km (0.084 R)
• M11: 10,262,564 km (0.098 R)
• M12: 11,588,300 km (0.075 R)
• M13: 14,576,817 km (0.066 R)
• M14: 16,748,828 km (0.057 R)
• M15: 18,044,495 km (0.099 R)
• M16: 24,958,610 km (0.036 R)
• M17: 27,167,721 km (0.049 R)
• M18: 27,784,065 km (0.09 R)
• M19: 29,968,343 km (0.084 R)
• M20: 30,721,269 km (0.057 R)
• M21: 31,294,079 km (0.119 R)
• M22: 31,776,981 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.3

Radius: 5.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 15.76 AU - 16.3 AU

Year: 28221 Days

Day: 15.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,458,783 km

• M1: 67,169 km (0.067 R)
• M2: 558,898 km (0.099 R)
• M3: 2,054,577 km (0.11 R)
• M4: 2,476,443 km (0.109 R)
• M5: 2,719,390 km (0.117 R)
• M6: 4,181,260 km (0.102 R)
• M7: 5,790,634 km (0.071 R)
• M8: 7,141,054 km (0.098 R)
• M9: 7,772,956 km (0.116 R)
• M10: 9,355,851 km (0.053 R)
• M11: 11,141,900 km (0.078 R)
• M12: 12,494,115 km (0.09 R)
• M13: 17,201,511 km (0.093 R)
• M14: 21,193,530 km (0.104 R)
• M15: 23,744,922 km (0.055 R)
• M16: 28,109,440 km (0.103 R)
• M17: 44,348,438 km (0.119 R)
• M18: 45,854,590 km (0.095 R)
• M19: 50,414,333 km (0.101 R)
• M20: 52,220,129 km (0.05 R)
• M21: 55,960,225 km (0.108 R)
• M22: 60,973,399 km (0.032 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 15,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit