🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.71 AU - 1.07 AU

Year: 318 Days

Day: 38.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.77 AU - 1.05 AU

Year: 329 Days

Day: 31 Hours

Environment

Temp: 14 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 103,767,183 km

• M1: 193,280 km (0.103 R)
• M2: 340,186 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.83 AU - 1.27 AU

Year: 408 Days

Day: 29.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.2

Radius: 11.8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.14 AU - 5.56 AU

Year: 4687 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 103,767,183 km

• M1: 146,756 km (0.063 R)
• M2: 540,946 km (0.117 R)
• M3: 985,700 km (0.046 R)
• M4: 1,354,010 km (0.084 R)
• M5: 1,948,961 km (0.08 R)
• M6: 2,764,419 km (0.046 R)
• M7: 3,202,890 km (0.091 R)
• M8: 4,175,127 km (0.119 R)
• M9: 4,883,024 km (0.115 R)
• M10: 5,252,680 km (0.079 R)
• M11: 6,108,380 km (0.06 R)
• M12: 6,923,090 km (0.082 R)
• M13: 7,951,576 km (0.062 R)
• M14: 8,616,089 km (0.106 R)
• M15: 9,397,289 km (0.09 R)
• M16: 9,971,895 km (0.06 R)
• M17: 12,459,259 km (0.113 R)
• M18: 14,189,208 km (0.076 R)
• M19: 20,132,283 km (0.072 R)
• M20: 20,743,390 km (0.12 R)
• M21: 22,578,358 km (0.117 R)
• M22: 25,847,071 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 10.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.22 AU - 9 AU

Year: 9569 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 103,767,183 km

• M1: 129,851 km (0.094 R)
• M2: 464,801 km (0.091 R)
• M3: 915,090 km (0.094 R)
• M4: 1,270,385 km (0.052 R)
• M5: 1,718,880 km (0.094 R)
• M6: 2,171,712 km (0.109 R)
• M7: 2,939,149 km (0.077 R)
• M8: 4,231,675 km (0.074 R)
• M9: 4,607,166 km (0.088 R)
• M10: 5,456,433 km (0.11 R)
• M11: 6,616,415 km (0.081 R)
• M12: 9,372,905 km (0.066 R)
• M13: 12,272,112 km (0.105 R)
• M14: 16,299,137 km (0.117 R)
• M15: 17,293,065 km (0.069 R)
• M16: 19,474,800 km (0.096 R)
• M17: 20,593,643 km (0.083 R)
• M18: 23,870,135 km (0.088 R)
• M19: 25,151,142 km (0.097 R)
• M20: 28,980,997 km (0.093 R)
• M21: 29,461,356 km (0.101 R)
• M22: 30,142,774 km (0.114 R)
• M23: 32,559,229 km (0.069 R)
• M24: 35,428,665 km (0.085 R)
• M25: 38,694,088 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 12.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.78 AU - 8.88 AU

Year: 9938 Days

Day: 13.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 103,767,183 km

• M1: 159,322 km (0.106 R)
• M2: 660,774 km (0.082 R)
• M3: 1,104,331 km (0.086 R)
• M4: 1,877,154 km (0.109 R)
• M5: 2,310,090 km (0.069 R)
• M6: 3,238,046 km (0.052 R)
• M7: 4,730,434 km (0.077 R)
• M8: 5,475,282 km (0.111 R)
• M9: 6,075,020 km (0.097 R)
• M10: 6,601,455 km (0.095 R)
• M11: 8,781,993 km (0.106 R)
• M12: 9,309,027 km (0.059 R)
• M13: 11,574,836 km (0.072 R)
• M14: 12,150,489 km (0.095 R)
• M15: 13,049,871 km (0.101 R)
• M16: 13,484,453 km (0.107 R)
• M17: 14,186,964 km (0.08 R)
• M18: 14,981,030 km (0.081 R)
• M19: 21,136,833 km (0.065 R)
• M20: 22,703,272 km (0.112 R)
• M21: 23,151,766 km (0.106 R)
• M22: 24,159,458 km (0.108 R)
• M23: 27,968,668 km (0.085 R)
• M24: 28,380,661 km (0.092 R)
• M25: 31,936,453 km (0.096 R)
• M26: 35,297,468 km (0.11 R)
• M27: 37,498,352 km (0.113 R)
• M28: 44,648,232 km (0.069 R)
• M29: 46,640,128 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.5

Radius: 3.9

Gravity: 65.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.22 AU - 14.52 AU

Year: 17487 Days

Day: 20.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 103,767,183 km

• M1: 48,470 km (0.116 R)
• M2: 325,226 km (0.108 R)
• M3: 1,370,765 km (0.073 R)
• M4: 2,396,408 km (0.068 R)
• M5: 2,679,747 km (0.093 R)
• M6: 3,173,420 km (0.084 R)
• M7: 4,476,267 km (0.075 R)
• M8: 4,759,456 km (0.112 R)
• M9: 5,560,104 km (0.108 R)
• M10: 5,722,119 km (0.084 R)
• M11: 6,535,632 km (0.076 R)
• M12: 6,993,401 km (0.079 R)
• M13: 8,178,665 km (0.056 R)
• M14: 8,655,882 km (0.082 R)
• M15: 16,482,693 km (0.057 R)
• M16: 16,901,867 km (0.094 R)
• M17: 19,474,651 km (0.064 R)
• M18: 25,938,476 km (0.077 R)
• M19: 35,888,080 km (0.111 R)
• M20: 44,624,596 km (0.073 R)
• M21: 44,948,775 km (0.093 R)
• M22: 46,759,806 km (0.099 R)
• M23: 49,480,244 km (0.104 R)
• M24: 50,702,907 km (0.071 R)
• M25: 55,233,778 km (0.092 R)
• M26: 55,420,476 km (0.082 R)
• M27: 58,270,914 km (0.059 R)
• M28: 60,620,348 km (0.071 R)
• M29: 61,217,543 km (0.078 R)
• M30: 77,682,883 km (0.113 R)
• M31: 77,917,153 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.6

Radius: 6.9

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 15.13 AU - 18.83 AU

Year: 26501 Days

Day: 19.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 103,767,183 km

• M1: 85,869 km (0.108 R)
• M2: 382,671 km (0.113 R)
• M3: 641,476 km (0.103 R)
• M4: 1,073,664 km (0.095 R)
• M5: 1,629,270 km (0.112 R)
• M6: 1,971,850 km (0.042 R)
• M7: 2,460,735 km (0.104 R)
• M8: 3,204,536 km (0.032 R)
• M9: 4,018,797 km (0.109 R)
• M10: 4,531,170 km (0.103 R)
• M11: 4,923,116 km (0.06 R)
• M12: 5,685,617 km (0.095 R)
• M13: 6,002,615 km (0.108 R)
• M14: 6,475,643 km (0.091 R)
• M15: 8,214,718 km (0.087 R)
• M16: 9,596,853 km (0.11 R)
• M17: 12,661,066 km (0.119 R)
• M18: 13,438,676 km (0.115 R)
• M19: 14,247,701 km (0.042 R)
• M20: 18,985,316 km (0.031 R)
• M21: 19,693,961 km (0.035 R)
• M22: 20,003,030 km (0.112 R)
• M23: 20,420,109 km (0.056 R)
• M24: 22,257,770 km (0.043 R)
• M25: 24,202,991 km (0.101 R)
• M26: 26,383,080 km (0.117 R)
• M27: 28,559,281 km (0.119 R)
• M28: 54,172,231 km (0.095 R)
• M29: 62,198,905 km (0.117 R)
• M30: 76,936,240 km (0.06 R)
• M31: 98,568,840 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 17,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit