🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.2 AU - 1.9 AU

Year: 672 Days

Day: 19.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.71 AU - 1.77 AU

Year: 799 Days

Day: 43.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 170.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.26 AU - 4.74 AU

Year: 3324 Days

Day: 33.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 8.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.82 AU - 7.98 AU

Year: 5639 Days

Day: 8.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,414,520 km

• M1: 115,789 km (0.097 R)
• M2: 432,039 km (0.076 R)
• M3: 722,408 km (0.08 R)
• M4: 1,148,912 km (0.089 R)
• M5: 1,498,971 km (0.116 R)
• M6: 1,893,161 km (0.111 R)
• M7: 2,340,010 km (0.078 R)
• M8: 2,613,924 km (0.113 R)
• M9: 3,169,680 km (0.055 R)
• M10: 3,506,574 km (0.072 R)
• M11: 4,068,314 km (0.093 R)
• M12: 4,738,961 km (0.054 R)
• M13: 5,288,883 km (0.073 R)
• M14: 5,764,604 km (0.08 R)
• M15: 7,675,418 km (0.06 R)
• M16: 12,308,015 km (0.095 R)
• M17: 13,601,738 km (0.118 R)
• M18: 14,069,979 km (0.107 R)
• M19: 16,869,703 km (0.065 R)
• M20: 17,471,087 km (0.076 R)
• M21: 17,900,582 km (0.103 R)
• M22: 18,844,545 km (0.087 R)
• M23: 19,557,528 km (0.097 R)
• M24: 21,383,968 km (0.111 R)
• M25: 22,231,141 km (0.099 R)
• M26: 22,735,585 km (0.042 R)
• M27: 23,321,410 km (0.118 R)
• M28: 25,844,678 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.2

Radius: 4.7

Gravity: 18.52 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.04 AU - 17.12 AU

Year: 18399 Days

Day: 18.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,414,520 km

• M1: 64,327 km (0.085 R)
• M2: 235,467 km (0.1 R)
• M3: 627,264 km (0.107 R)
• M4: 864,526 km (0.101 R)
• M5: 1,290,581 km (0.114 R)
• M6: 2,042,759 km (0.101 R)
• M7: 2,314,728 km (0.108 R)
• M8: 2,677,203 km (0.12 R)
• M9: 3,003,177 km (0.087 R)
• M10: 3,201,095 km (0.036 R)
• M11: 3,678,312 km (0.06 R)
• M12: 4,609,410 km (0.036 R)
• M13: 5,287,537 km (0.109 R)
• M14: 5,800,358 km (0.1 R)
• M15: 6,630,776 km (0.075 R)
• M16: 7,903,854 km (0.111 R)
• M17: 10,864,994 km (0.076 R)
• M18: 11,214,156 km (0.091 R)
• M19: 14,421,085 km (0.112 R)
• M20: 15,056,726 km (0.114 R)
• M21: 15,563,863 km (0.114 R)
• M22: 17,389,256 km (0.082 R)
• M23: 19,865,400 km (0.064 R)
• M24: 30,142,475 km (0.057 R)
• M25: 30,485,652 km (0.111 R)
• M26: 36,855,380 km (0.074 R)
• M27: 39,387,623 km (0.068 R)
• M28: 40,349,089 km (0.081 R)
• M29: 41,326,113 km (0.114 R)
• M30: 50,035,401 km (0.072 R)
• M31: 53,467,775 km (0.086 R)
• M32: 55,326,828 km (0.12 R)
• M33: 56,705,522 km (0.035 R)
• M34: 57,228,516 km (0.066 R)
• M35: 57,578,874 km (0.09 R)
• M36: 58,283,929 km (0.072 R)
• M37: 60,252,487 km (0.102 R)
• M38: 60,615,112 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.4

Radius: 3.1

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 12.72 AU - 18.66 AU

Year: 21644 Days

Day: 19.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,414,520 km

• M1: 38,596 km (0.087 R)
• M2: 496,366 km (0.062 R)
• M3: 622,626 km (0.098 R)
• M4: 1,172,997 km (0.068 R)
• M5: 1,834,369 km (0.086 R)
• M6: 2,215,544 km (0.071 R)
• M7: 3,035,341 km (0.119 R)
• M8: 3,255,698 km (0.082 R)
• M9: 6,312,282 km (0.117 R)
• M10: 8,479,207 km (0.118 R)
• M11: 9,064,584 km (0.051 R)
• M12: 13,605,029 km (0.084 R)
• M13: 15,808,456 km (0.116 R)
• M14: 17,070,463 km (0.115 R)
• M15: 27,518,678 km (0.046 R)
• M16: 28,579,476 km (0.104 R)
• M17: 33,812,111 km (0.036 R)
• M18: 34,538,408 km (0.102 R)
• M19: 43,652,210 km (0.04 R)
• M20: 48,526,707 km (0.084 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 13,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit