🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.55 AU - 0.77 AU

Year: 232 Days

Day: 21 Hours

Environment

Temp: 2 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.68 AU - 0.98 AU

Year: 328 Days

Day: 20.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,115,157 km

• M1: 35,604 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.51 AU

Year: 606 Days

Day: 23.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,115,157 km

• M1: 33,660 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.4 AU - 1.68 AU

Year: 828 Days

Day: 22.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 127.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 9.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.74 AU - 6.18 AU

Year: 5530 Days

Day: 7.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,115,157 km

• M1: 121,174 km (0.074 R)
• M2: 558,150 km (0.067 R)
• M3: 935,136 km (0.114 R)
• M4: 1,321,248 km (0.103 R)
• M5: 1,850,077 km (0.106 R)
• M6: 3,407,391 km (0.072 R)
• M7: 4,803,588 km (0.083 R)
• M8: 9,803,298 km (0.094 R)
• M9: 12,754,864 km (0.108 R)
• M10: 14,764,263 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.1

Radius: 12.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.76 AU - 8.12 AU

Year: 8797 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,115,157 km

• M1: 154,235 km (0.06 R)
• M2: 630,854 km (0.05 R)
• M3: 1,202,468 km (0.056 R)
• M4: 1,741,319 km (0.077 R)
• M5: 2,296,178 km (0.075 R)
• M6: 2,684,235 km (0.036 R)
• M7: 4,202,803 km (0.076 R)
• M8: 15,864,705 km (0.035 R)
• M9: 18,872,968 km (0.099 R)
• M10: 19,776,240 km (0.113 R)
• M11: 20,786,923 km (0.063 R)
• M12: 25,628,808 km (0.119 R)
• M13: 27,683,385 km (0.117 R)
• M14: 31,906,533 km (0.089 R)
• M15: 32,864,408 km (0.055 R)
• M16: 36,310,694 km (0.108 R)
• M17: 36,888,292 km (0.101 R)
• M18: 38,180,518 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 7.1

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.28 AU - 11.88 AU

Year: 14917 Days

Day: 18.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,115,157 km

• M1: 89,759 km (0.058 R)
• M2: 347,366 km (0.075 R)
• M3: 626,217 km (0.099 R)
• M4: 876,195 km (0.108 R)
• M5: 1,446,761 km (0.061 R)
• M6: 2,631,427 km (0.065 R)
• M7: 3,462,144 km (0.081 R)
• M8: 4,423,759 km (0.066 R)
• M9: 8,266,629 km (0.12 R)
• M10: 9,302,893 km (0.075 R)
• M11: 9,574,862 km (0.099 R)
• M12: 9,852,217 km (0.068 R)
• M13: 12,529,719 km (0.112 R)
• M14: 13,963,914 km (0.071 R)
• M15: 15,352,930 km (0.098 R)
• M16: 16,751,670 km (0.119 R)
• M17: 18,659,791 km (0.092 R)
• M18: 20,160,108 km (0.103 R)
• M19: 20,524,529 km (0.115 R)
• M20: 22,803,802 km (0.052 R)
• M21: 23,398,902 km (0.06 R)
• M22: 25,776,461 km (0.029 R)
• M23: 26,422,275 km (0.111 R)
• M24: 30,644,974 km (0.096 R)
• M25: 32,353,531 km (0.038 R)
• M26: 32,602,612 km (0.066 R)
• M27: 35,296,570 km (0.088 R)
• M28: 35,959,289 km (0.085 R)
• M29: 37,583,323 km (0.12 R)
• M30: 48,529,699 km (0.111 R)
• M31: 49,348,897 km (0.049 R)
• M32: 53,757,845 km (0.09 R)
• M33: 56,237,131 km (0.101 R)
• M34: 57,322,762 km (0.092 R)
• M35: 58,791,814 km (0.087 R)
• M36: 63,544,089 km (0.051 R)
• M37: 66,515,103 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.2

Radius: 3.4

Gravity: 20.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 12.71 AU - 18.25 AU

Year: 26401 Days

Day: 21.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,115,157 km

• M1: 43,533 km (0.114 R)
• M2: 233,672 km (0.116 R)
• M3: 373,995 km (0.099 R)
• M4: 602,431 km (0.054 R)
• M5: 781,948 km (0.114 R)
• M6: 1,007,841 km (0.117 R)
• M7: 2,344,797 km (0.079 R)
• M8: 2,516,386 km (0.074 R)
• M9: 2,765,915 km (0.087 R)
• M10: 3,698,658 km (0.073 R)
• M11: 4,142,963 km (0.105 R)
• M12: 6,278,922 km (0.037 R)
• M13: 9,208,198 km (0.117 R)
• M14: 9,635,300 km (0.088 R)
• M15: 10,187,615 km (0.092 R)
• M16: 10,414,256 km (0.096 R)
• M17: 12,738,707 km (0.119 R)
• M18: 16,447,987 km (0.101 R)
• M19: 17,395,839 km (0.034 R)
• M20: 21,274,313 km (0.1 R)
• M21: 23,659,651 km (0.042 R)
• M22: 26,111,560 km (0.091 R)
• M23: 31,512,941 km (0.105 R)
• M24: 40,512,599 km (0.068 R)
• M25: 41,224,236 km (0.096 R)
• M26: 48,008,051 km (0.072 R)
• M27: 49,610,394 km (0.031 R)
• M28: 54,803,534 km (0.103 R)
• M29: 59,795,017 km (0.093 R)
• M30: 61,088,590 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 19,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit