🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.79 AU - 1.21 AU

Year: 353 Days

Day: 25.4 Hours

Environment

Temp: 87 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.29 AU - 1.79 AU

Year: 675 Days

Day: 33.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 14.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.41 AU - 7.05 AU

Year: 4843 Days

Day: 12.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 94,474,244 km

• M1: 177,872 km (0.075 R)
• M2: 836,701 km (0.083 R)
• M3: 1,469,949 km (0.055 R)
• M4: 2,039,617 km (0.062 R)
• M5: 2,672,416 km (0.119 R)
• M6: 3,574,791 km (0.117 R)
• M7: 4,222,250 km (0.078 R)
• M8: 7,359,318 km (0.119 R)
• M9: 8,302,383 km (0.104 R)
• M10: 12,654,933 km (0.068 R)
• M11: 13,445,857 km (0.088 R)
• M12: 15,072,135 km (0.063 R)
• M13: 15,791,701 km (0.065 R)
• M14: 16,884,663 km (0.062 R)
• M15: 18,712,450 km (0.081 R)
• M16: 20,134,228 km (0.105 R)
• M17: 20,871,596 km (0.068 R)
• M18: 21,557,502 km (0.104 R)
• M19: 24,302,174 km (0.078 R)
• M20: 27,191,059 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.1

Radius: 9.4

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.98 AU - 6.7 AU

Year: 4983 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,474,244 km

• M1: 116,836 km (0.053 R)
• M2: 864,376 km (0.055 R)
• M3: 1,295,218 km (0.116 R)
• M4: 1,622,090 km (0.032 R)
• M5: 2,076,418 km (0.085 R)
• M6: 2,398,203 km (0.115 R)
• M7: 3,261,682 km (0.098 R)
• M8: 3,613,088 km (0.083 R)
• M9: 4,343,724 km (0.112 R)
• M10: 4,693,035 km (0.058 R)
• M11: 5,279,907 km (0.09 R)
• M12: 9,626,773 km (0.099 R)
• M13: 10,485,614 km (0.084 R)
• M14: 11,024,914 km (0.108 R)
• M15: 11,964,688 km (0.052 R)
• M16: 12,855,394 km (0.073 R)
• M17: 17,417,680 km (0.091 R)
• M18: 18,174,346 km (0.099 R)
• M19: 20,093,388 km (0.089 R)
• M20: 24,563,821 km (0.114 R)
• M21: 25,918,729 km (0.11 R)
• M22: 28,086,402 km (0.078 R)
• M23: 29,567,271 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 12.4

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.33 AU - 10.83 AU

Year: 10470 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,474,244 km

• M1: 186,549 km (0.117 R)
• M2: 669,600 km (0.113 R)
• M3: 1,782,159 km (0.056 R)
• M4: 2,363,347 km (0.042 R)
• M5: 3,356,378 km (0.067 R)
• M6: 3,935,920 km (0.118 R)
• M7: 5,141,529 km (0.089 R)
• M8: 9,377,543 km (0.078 R)
• M9: 10,936,053 km (0.057 R)
• M10: 12,103,515 km (0.092 R)
• M11: 12,604,518 km (0.072 R)
• M12: 13,003,645 km (0.081 R)
• M13: 23,902,598 km (0.102 R)
• M14: 30,714,687 km (0.082 R)
• M15: 31,752,896 km (0.044 R)
• M16: 35,458,136 km (0.045 R)
• M17: 37,767,478 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 10.9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 10.41 AU - 12.07 AU

Year: 13306 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,474,244 km

• M1: 135,685 km (0.084 R)
• M2: 522,097 km (0.072 R)
• M3: 883,375 km (0.116 R)
• M4: 2,692,163 km (0.08 R)
• M5: 3,457,057 km (0.071 R)
• M6: 3,834,792 km (0.081 R)
• M7: 5,487,250 km (0.099 R)
• M8: 5,890,267 km (0.046 R)
• M9: 6,592,479 km (0.093 R)
• M10: 8,739,657 km (0.087 R)
• M11: 9,496,922 km (0.096 R)
• M12: 10,352,322 km (0.055 R)
• M13: 12,842,080 km (0.099 R)
• M14: 16,297,042 km (0.1 R)
• M15: 17,210,188 km (0.09 R)
• M16: 17,679,327 km (0.077 R)
• M17: 19,642,051 km (0.066 R)
• M18: 20,501,341 km (0.115 R)
• M19: 21,475,223 km (0.114 R)
• M20: 24,581,922 km (0.052 R)
• M21: 25,277,552 km (0.111 R)
• M22: 25,884,172 km (0.088 R)
• M23: 27,337,365 km (0.116 R)
• M24: 29,841,783 km (0.105 R)
• M25: 36,571,892 km (0.03 R)
• M26: 42,520,801 km (0.078 R)
• M27: 43,091,667 km (0.118 R)
• M28: 48,616,765 km (0.087 R)
• M29: 52,279,220 km (0.107 R)
• M30: 53,595,232 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.3

Radius: 6.6

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.9 AU - 18.06 AU

Year: 19456 Days

Day: 16.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,474,244 km

• M1: 83,476 km (0.084 R)
• M2: 465,997 km (0.096 R)
• M3: 1,462,319 km (0.086 R)
• M4: 1,737,579 km (0.045 R)
• M5: 2,215,544 km (0.099 R)
• M6: 2,688,872 km (0.095 R)
• M7: 4,643,967 km (0.056 R)
• M8: 6,004,559 km (0.112 R)
• M9: 6,352,823 km (0.049 R)
• M10: 8,635,387 km (0.1 R)
• M11: 9,281,650 km (0.093 R)
• M12: 9,642,630 km (0.117 R)
• M13: 9,959,478 km (0.098 R)
• M14: 11,355,376 km (0.092 R)
• M15: 15,370,882 km (0.11 R)
• M16: 18,571,977 km (0.083 R)
• M17: 19,646,389 km (0.056 R)
• M18: 21,827,975 km (0.084 R)
• M19: 23,211,755 km (0.07 R)
• M20: 27,606,641 km (0.107 R)
• M21: 30,448,103 km (0.035 R)
• M22: 33,358,530 km (0.08 R)
• M23: 36,960,847 km (0.068 R)
• M24: 38,260,703 km (0.119 R)
• M25: 39,456,588 km (0.056 R)
• M26: 51,681,576 km (0.101 R)
• M27: 57,514,697 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.3

Radius: 7.7

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 17.56 AU - 20.44 AU

Year: 29243 Days

Day: 17.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,474,244 km

• M1: 95,743 km (0.052 R)
• M2: 693,386 km (0.114 R)
• M3: 1,100,741 km (0.116 R)
• M4: 2,421,391 km (0.102 R)
• M5: 2,934,661 km (0.05 R)
• M6: 3,217,401 km (0.064 R)
• M7: 3,971,225 km (0.071 R)
• M8: 4,462,504 km (0.099 R)
• M9: 5,233,682 km (0.092 R)
• M10: 10,146,775 km (0.079 R)
• M11: 14,306,194 km (0.09 R)
• M12: 16,493,165 km (0.083 R)
• M13: 18,320,354 km (0.052 R)
• M14: 18,990,552 km (0.05 R)
• M15: 19,676,907 km (0.118 R)
• M16: 22,916,898 km (0.085 R)
• M17: 24,952,626 km (0.079 R)
• M18: 26,134,299 km (0.067 R)
• M19: 37,265,129 km (0.072 R)
• M20: 42,018,152 km (0.093 R)
• M21: 47,517,220 km (0.106 R)
• M22: 49,881,764 km (0.073 R)
• M23: 52,706,322 km (0.075 R)
• M24: 55,635,598 km (0.071 R)
• M25: 59,084,876 km (0.079 R)
• M26: 79,995,666 km (0.11 R)
• M27: 81,013,530 km (0.044 R)
• M28: 84,643,971 km (0.085 R)
• M29: 85,700,731 km (0.057 R)
• M30: 93,909,166 km (0.098 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit