🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.44 AU - 0.66 AU

Year: 150 Days

Day: 27.9 Hours

Environment

Temp: 215 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 79,559,864 km

• M1: 83,924 km (0.09 R)
• M2: 230,830 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.65 AU - 1.05 AU

Year: 288 Days

Day: 30.3 Hours

Environment

Temp: 128 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.23 AU - 2.79 AU

Year: 1460 Days

Day: 48 Hours

Environment

Temp: -84 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,559,864 km

• M1: 307,124 km (0.117 R)

Asteroid Belt

Center: 4.09 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 13.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.26 AU - 7.08 AU

Year: 4956 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,559,864 km

• M1: 167,849 km (0.098 R)
• M2: 608,714 km (0.082 R)
• M3: 1,089,970 km (0.091 R)
• M4: 2,019,870 km (0.113 R)
• M5: 2,624,695 km (0.1 R)
• M6: 3,118,218 km (0.053 R)
• M7: 3,694,768 km (0.106 R)
• M8: 5,037,858 km (0.074 R)
• M9: 6,652,917 km (0.114 R)
• M10: 7,718,801 km (0.119 R)
• M11: 8,742,200 km (0.101 R)
• M12: 9,608,222 km (0.085 R)
• M13: 10,273,335 km (0.089 R)
• M14: 11,419,703 km (0.105 R)
• M15: 15,149,477 km (0.061 R)
• M16: 15,765,820 km (0.036 R)
• M17: 20,289,510 km (0.118 R)
• M18: 21,665,661 km (0.038 R)
• M19: 22,593,018 km (0.114 R)
• M20: 23,621,055 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 8.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.09 AU - 8.63 AU

Year: 7330 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,559,864 km

• M1: 111,301 km (0.047 R)
• M2: 382,372 km (0.1 R)
• M3: 699,220 km (0.113 R)
• M4: 1,846,935 km (0.075 R)
• M5: 2,334,475 km (0.055 R)
• M6: 5,424,718 km (0.074 R)
• M7: 6,010,992 km (0.082 R)
• M8: 7,277,039 km (0.097 R)
• M9: 8,309,863 km (0.12 R)
• M10: 8,936,827 km (0.098 R)
• M11: 9,320,247 km (0.106 R)
• M12: 12,085,563 km (0.071 R)
• M13: 14,711,604 km (0.055 R)
• M14: 15,355,174 km (0.09 R)
• M15: 15,905,545 km (0.094 R)
• M16: 18,057,361 km (0.072 R)
• M17: 19,045,305 km (0.105 R)
• M18: 20,594,092 km (0.034 R)
• M19: 21,672,244 km (0.083 R)
• M20: 22,155,594 km (0.106 R)
• M21: 23,648,880 km (0.1 R)
• M22: 24,606,157 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.2

Radius: 6.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 10.94 AU - 16.4 AU

Year: 18553 Days

Day: 19.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,559,864 km

• M1: 129,851 km (0.092 R)
• M2: 378,632 km (0.082 R)
• M3: 814,560 km (0.11 R)
• M4: 1,241,812 km (0.082 R)
• M5: 1,519,466 km (0.111 R)
• M6: 2,666,881 km (0.081 R)
• M7: 2,883,050 km (0.101 R)
• M8: 4,094,195 km (0.108 R)
• M9: 6,548,796 km (0.076 R)
• M10: 8,728,886 km (0.115 R)
• M11: 9,703,965 km (0.042 R)
• M12: 11,350,888 km (0.082 R)
• M13: 15,752,207 km (0.107 R)
• M14: 16,461,600 km (0.102 R)
• M15: 17,124,767 km (0.115 R)
• M16: 18,222,816 km (0.119 R)
• M17: 19,734,054 km (0.098 R)
• M18: 20,558,188 km (0.106 R)
• M19: 26,707,857 km (0.114 R)
• M20: 30,790,683 km (0.108 R)
• M21: 33,556,298 km (0.106 R)
• M22: 37,951,185 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.9

Radius: 5.3

Gravity: 34.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 13.1 AU - 19.64 AU

Year: 24313 Days

Day: 18 Hours

Environment

Temp: -197 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,559,864 km

• M1: 65,973 km (0.11 R)
• M2: 355,145 km (0.072 R)
• M3: 533,466 km (0.098 R)
• M4: 699,220 km (0.104 R)
• M5: 924,964 km (0.1 R)
• M6: 1,579,305 km (0.069 R)
• M7: 2,868,240 km (0.095 R)
• M8: 3,239,542 km (0.06 R)
• M9: 4,218,510 km (0.079 R)
• M10: 4,698,570 km (0.117 R)
• M11: 5,173,394 km (0.081 R)
• M12: 6,171,959 km (0.114 R)
• M13: 7,712,817 km (0.099 R)
• M14: 8,600,681 km (0.09 R)
• M15: 8,891,649 km (0.072 R)
• M16: 9,678,833 km (0.079 R)
• M17: 10,445,821 km (0.084 R)
• M18: 12,688,143 km (0.074 R)
• M19: 15,063,907 km (0.102 R)
• M20: 29,720,459 km (0.069 R)
• M21: 39,952,804 km (0.096 R)
• M22: 41,914,182 km (0.065 R)
• M23: 43,087,328 km (0.102 R)
• M24: 46,917,034 km (0.113 R)
• M25: 48,914,315 km (0.057 R)
• M26: 49,654,525 km (0.108 R)
• M27: 54,252,715 km (0.083 R)
• M28: 56,654,658 km (0.102 R)
• M29: 65,843,558 km (0.092 R)
• M30: 66,972,424 km (0.107 R)
• M31: 73,533,637 km (0.083 R)
• M32: 76,720,221 km (0.117 R)
• M33: 78,726,328 km (0.066 R)
• M34: 81,541,461 km (0.096 R)
• M35: 82,842,962 km (0.106 R)
• M36: 87,643,109 km (0.119 R)
• M37: 90,944,136 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.8

Radius: 4.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 15.9 AU - 20.4 AU

Year: 28385 Days

Day: 18.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,559,864 km

• M1: 56,398 km (0.097 R)
• M2: 739,313 km (0.101 R)
• M3: 1,398,590 km (0.051 R)
• M4: 2,537,479 km (0.096 R)
• M5: 2,760,230 km (0.114 R)
• M6: 4,075,794 km (0.082 R)
• M7: 6,850,685 km (0.108 R)
• M8: 9,965,761 km (0.113 R)
• M9: 23,611,481 km (0.077 R)
• M10: 26,355,704 km (0.082 R)
• M11: 35,039,561 km (0.115 R)
• M12: 44,771,800 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.2

Radius: 6.6

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 17.03 AU - 19.67 AU

Year: 28855 Days

Day: 20.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,559,864 km

• M1: 84,972 km (0.056 R)
• M2: 3,043,419 km (0.044 R)
• M3: 4,374,691 km (0.101 R)
• M4: 5,206,903 km (0.09 R)
• M5: 6,357,162 km (0.066 R)
• M6: 6,898,556 km (0.087 R)
• M7: 8,546,227 km (0.111 R)
• M8: 11,192,913 km (0.079 R)
• M9: 14,646,380 km (0.119 R)
• M10: 48,891,427 km (0.083 R)
• M11: 55,172,443 km (0.052 R)
• M12: 62,781,290 km (0.073 R)
• M13: 65,255,938 km (0.113 R)
• M14: 66,517,347 km (0.113 R)
• M15: 71,503,444 km (0.11 R)
• M16: 77,902,493 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 17,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit