🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.63 AU - 1.03 AU

Year: 267 Days

Day: 38.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 106,160,150 km

• M1: 12,417 km (0.059 R)
• M2: 170,542 km (0.107 R)

Asteroid Belt

Center: 1.17 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.15 AU - 1.87 AU

Year: 655 Days

Day: 37.4 Hours

Environment

Temp: -16 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.52 AU - 1.88 AU

Year: 783 Days

Day: 29.8 Hours

Environment

Temp: -31 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,160,150 km

• M1: 41,139 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.59 AU - 2.55 AU

Year: 1052 Days

Day: 26.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.32 AU - 4.04 AU

Year: 2493 Days

Day: 35.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 9.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.22 AU - 9.1 AU

Year: 7486 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,160,150 km

• M1: 115,041 km (0.089 R)
• M2: 543,489 km (0.107 R)
• M3: 830,867 km (0.054 R)
• M4: 1,535,323 km (0.113 R)
• M5: 2,788,804 km (0.083 R)
• M6: 3,098,471 km (0.104 R)
• M7: 4,081,778 km (0.107 R)
• M8: 4,505,738 km (0.117 R)
• M9: 5,389,862 km (0.051 R)
• M10: 5,873,212 km (0.119 R)
• M11: 6,211,304 km (0.108 R)
• M12: 9,290,477 km (0.088 R)
• M13: 9,789,535 km (0.093 R)
• M14: 10,757,583 km (0.092 R)
• M15: 11,656,068 km (0.066 R)
• M16: 12,373,389 km (0.117 R)
• M17: 16,519,943 km (0.036 R)
• M18: 17,024,986 km (0.049 R)
• M19: 19,148,677 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.8

Radius: 3.2

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 11.08 AU - 15.9 AU

Year: 17495 Days

Day: 23.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 106,160,150 km

• M1: 40,691 km (0.075 R)
• M2: 231,877 km (0.073 R)
• M3: 408,701 km (0.071 R)
• M4: 1,102,237 km (0.111 R)
• M5: 1,986,211 km (0.053 R)
• M6: 2,126,683 km (0.111 R)
• M7: 2,756,042 km (0.118 R)
• M8: 2,931,071 km (0.119 R)
• M9: 4,216,416 km (0.071 R)
• M10: 4,744,496 km (0.075 R)
• M11: 4,883,174 km (0.059 R)
• M12: 5,434,891 km (0.09 R)
• M13: 8,538,897 km (0.091 R)
• M14: 8,785,584 km (0.099 R)
• M15: 8,994,871 km (0.107 R)
• M16: 9,775,622 km (0.113 R)
• M17: 10,742,324 km (0.028 R)
• M18: 10,933,510 km (0.079 R)
• M19: 12,703,702 km (0.052 R)
• M20: 12,810,215 km (0.068 R)
• M21: 18,863,992 km (0.104 R)
• M22: 20,869,053 km (0.045 R)
• M23: 24,299,481 km (0.101 R)
• M24: 25,549,820 km (0.111 R)
• M25: 26,061,744 km (0.114 R)
• M26: 31,562,159 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458

Radius: 7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 14.28 AU - 20.6 AU

Year: 25717 Days

Day: 23.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,160,150 km

• M1: 87,066 km (0.111 R)
• M2: 391,198 km (0.107 R)
• M3: 1,214,735 km (0.103 R)
• M4: 1,721,423 km (0.069 R)
• M5: 3,094,881 km (0.114 R)
• M6: 3,662,754 km (0.101 R)
• M7: 4,930,447 km (0.054 R)
• M8: 6,035,077 km (0.031 R)
• M9: 7,392,528 km (0.103 R)
• M10: 9,793,125 km (0.115 R)
• M11: 15,027,405 km (0.045 R)
• M12: 16,474,914 km (0.114 R)
• M13: 23,512,447 km (0.07 R)
• M14: 25,016,354 km (0.057 R)
• M15: 33,374,238 km (0.117 R)
• M16: 35,825,548 km (0.114 R)
• M17: 37,524,831 km (0.108 R)
• M18: 45,675,521 km (0.05 R)
• M19: 54,192,128 km (0.042 R)
• M20: 67,679,423 km (0.069 R)
• M21: 71,590,659 km (0.055 R)
• M22: 77,735,841 km (0.104 R)
• M23: 77,969,961 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.7

Radius: 3.7

Gravity: 65.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 18.64 AU - 18.94 AU

Year: 28760 Days

Day: 19.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 135.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 106,160,150 km

• M1: 46,375 km (0.029 R)
• M2: 172,337 km (0.028 R)
• M3: 397,033 km (0.051 R)
• M4: 1,371,064 km (0.056 R)
• M5: 2,607,341 km (0.115 R)
• M6: 4,403,413 km (0.105 R)
• M7: 5,334,361 km (0.072 R)
• M8: 6,101,648 km (0.101 R)
• M9: 8,541,889 km (0.114 R)
• M10: 8,962,558 km (0.089 R)
• M11: 10,307,592 km (0.087 R)
• M12: 14,540,165 km (0.096 R)
• M13: 14,795,080 km (0.104 R)
• M14: 17,894,000 km (0.1 R)
• M15: 19,286,756 km (0.119 R)
• M16: 21,618,687 km (0.094 R)
• M17: 29,457,466 km (0.113 R)
• M18: 32,391,829 km (0.105 R)
• M19: 33,118,126 km (0.103 R)
• M20: 33,411,637 km (0.097 R)
• M21: 36,443,088 km (0.074 R)
• M22: 39,818,166 km (0.043 R)
• M23: 44,634,021 km (0.071 R)
• M24: 54,172,979 km (0.111 R)
• M25: 67,305,428 km (0.107 R)
• M26: 69,202,180 km (0.089 R)
• M27: 70,647,894 km (0.072 R)
• M28: 78,179,398 km (0.106 R)
• M29: 83,758,352 km (0.068 R)
• M30: 86,505,717 km (0.106 R)
• M31: 100,225,786 km (0.114 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit