🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.53 AU - 0.59 AU

Year: 153 Days

Day: 35.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,284,183 km

• M1: 43,234 km (0.057 R)
• M2: 340,036 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.04 AU - 1.1 AU

Year: 404 Days

Day: 24.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.48 AU - 3.72 AU

Year: 1994 Days

Day: 22.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.3

Radius: 12.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.16 AU - 7.76 AU

Year: 6707 Days

Day: 9.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,284,183 km

• M1: 159,920 km (0.07 R)
• M2: 578,645 km (0.075 R)
• M3: 1,273,377 km (0.088 R)
• M4: 2,352,427 km (0.095 R)
• M5: 3,115,824 km (0.063 R)
• M6: 4,156,577 km (0.026 R)
• M7: 4,944,060 km (0.029 R)
• M8: 5,919,737 km (0.048 R)
• M9: 6,357,162 km (0.11 R)
• M10: 6,917,406 km (0.068 R)
• M11: 9,328,175 km (0.054 R)
• M12: 11,092,981 km (0.096 R)
• M13: 11,760,337 km (0.103 R)
• M14: 12,811,412 km (0.03 R)
• M15: 15,742,334 km (0.081 R)
• M16: 16,160,160 km (0.095 R)
• M17: 18,959,585 km (0.026 R)
• M18: 19,775,941 km (0.118 R)
• M19: 22,971,052 km (0.083 R)
• M20: 24,213,762 km (0.078 R)
• M21: 25,093,696 km (0.075 R)
• M22: 25,746,990 km (0.071 R)
• M23: 26,244,403 km (0.093 R)
• M24: 30,642,431 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 14.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.33 AU - 10.49 AU

Year: 8908 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,284,183 km

• M1: 183,706 km (0.067 R)
• M2: 1,020,706 km (0.026 R)
• M3: 2,142,092 km (0.071 R)
• M4: 2,870,484 km (0.044 R)
• M5: 3,619,221 km (0.072 R)
• M6: 4,103,619 km (0.085 R)
• M7: 5,955,641 km (0.093 R)
• M8: 6,495,540 km (0.041 R)
• M9: 7,949,930 km (0.091 R)
• M10: 9,431,847 km (0.089 R)
• M11: 16,634,386 km (0.113 R)
• M12: 17,916,739 km (0.077 R)
• M13: 19,119,057 km (0.069 R)
• M14: 20,754,012 km (0.099 R)
• M15: 23,296,128 km (0.096 R)
• M16: 23,878,812 km (0.046 R)
• M17: 26,039,604 km (0.094 R)
• M18: 26,576,959 km (0.083 R)
• M19: 27,213,349 km (0.104 R)
• M20: 28,327,853 km (0.104 R)
• M21: 34,469,145 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.5

Radius: 7.2

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 10.62 AU - 14.32 AU

Year: 16084 Days

Day: 18.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,284,183 km

• M1: 144,661 km (0.117 R)
• M2: 1,942,080 km (0.083 R)
• M3: 2,931,669 km (0.116 R)
• M4: 3,926,944 km (0.088 R)
• M5: 7,067,303 km (0.077 R)
• M6: 7,869,895 km (0.057 R)
• M7: 8,437,769 km (0.11 R)
• M8: 12,184,148 km (0.048 R)
• M9: 19,253,246 km (0.101 R)
• M10: 21,168,248 km (0.094 R)
• M11: 22,826,840 km (0.113 R)
• M12: 26,089,121 km (0.093 R)
• M13: 26,924,475 km (0.074 R)
• M14: 36,152,569 km (0.112 R)
• M15: 40,700,045 km (0.118 R)
• M16: 45,764,831 km (0.081 R)
• M17: 46,217,664 km (0.057 R)
• M18: 48,996,893 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.6

Radius: 4

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 13.63 AU - 14.97 AU

Year: 19751 Days

Day: 23.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,284,183 km

• M1: 50,564 km (0.073 R)
• M2: 281,094 km (0.111 R)
• M3: 635,492 km (0.087 R)
• M4: 1,109,119 km (0.102 R)
• M5: 1,818,661 km (0.095 R)
• M6: 2,123,243 km (0.112 R)
• M7: 3,055,836 km (0.109 R)
• M8: 3,612,190 km (0.115 R)
• M9: 3,820,580 km (0.087 R)
• M10: 6,444,227 km (0.086 R)
• M11: 8,253,913 km (0.045 R)
• M12: 8,433,580 km (0.077 R)
• M13: 13,199,319 km (0.095 R)
• M14: 17,581,490 km (0.114 R)
• M15: 18,179,881 km (0.065 R)
• M16: 19,496,642 km (0.039 R)
• M17: 21,041,838 km (0.108 R)
• M18: 24,190,275 km (0.041 R)
• M19: 26,845,637 km (0.108 R)
• M20: 28,141,903 km (0.111 R)
• M21: 29,794,062 km (0.111 R)
• M22: 32,058,973 km (0.078 R)
• M23: 41,343,915 km (0.078 R)
• M24: 41,738,105 km (0.058 R)
• M25: 45,120,363 km (0.108 R)
• M26: 46,522,843 km (0.092 R)
• M27: 48,826,800 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.3

Radius: 6.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 12.51 AU - 17.93 AU

Year: 21688 Days

Day: 21.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,284,183 km

• M1: 83,326 km (0.107 R)
• M2: 299,944 km (0.113 R)
• M3: 695,032 km (0.032 R)
• M4: 959,820 km (0.044 R)
• M5: 1,173,147 km (0.113 R)
• M6: 2,584,453 km (0.075 R)
• M7: 2,812,440 km (0.114 R)
• M8: 3,833,296 km (0.041 R)
• M9: 4,192,181 km (0.105 R)
• M10: 4,443,655 km (0.107 R)
• M11: 5,740,818 km (0.058 R)
• M12: 6,963,781 km (0.082 R)
• M13: 11,177,803 km (0.114 R)
• M14: 14,229,899 km (0.094 R)
• M15: 15,682,195 km (0.083 R)
• M16: 15,984,084 km (0.089 R)
• M17: 21,915,938 km (0.035 R)
• M18: 27,385,386 km (0.047 R)
• M19: 31,258,475 km (0.067 R)
• M20: 32,463,636 km (0.077 R)
• M21: 41,923,906 km (0.11 R)
• M22: 50,239,004 km (0.12 R)
• M23: 51,890,565 km (0.075 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit