🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.54 AU - 0.56 AU

Year: 173 Days

Day: 42.4 Hours

Environment

Temp: 130 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,931,860 km

• M1: 428,000 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.45 AU - 0.69 AU

Year: 183 Days

Day: 17.1 Hours

Environment

Temp: 36 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.45 AU - 0.73 AU

Year: 192 Days

Day: 35.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,931,860 km

• M1: 30,069 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.67 AU - 0.91 AU

Year: 298 Days

Day: 17.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.84 AU - 0.84 AU

Year: 327 Days

Day: 43.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1 AU - 1.38 AU

Year: 551 Days

Day: 32.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.48 AU - 1.74 AU

Year: 867 Days

Day: 34.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 144.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 12.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.17 AU - 6.15 AU

Year: 5717 Days

Day: 8.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,931,860 km

• M1: 154,235 km (0.068 R)
• M2: 564,433 km (0.03 R)
• M3: 1,056,311 km (0.112 R)
• M4: 1,532,331 km (0.085 R)
• M5: 2,104,692 km (0.062 R)
• M6: 3,283,524 km (0.099 R)
• M7: 4,018,947 km (0.112 R)
• M8: 4,694,980 km (0.114 R)
• M9: 5,325,086 km (0.074 R)
• M10: 7,371,136 km (0.043 R)
• M11: 8,064,073 km (0.026 R)
• M12: 8,549,818 km (0.11 R)
• M13: 10,982,728 km (0.119 R)
• M14: 11,784,572 km (0.103 R)
• M15: 12,252,365 km (0.056 R)
• M16: 13,114,946 km (0.094 R)
• M17: 13,960,025 km (0.115 R)
• M18: 14,781,167 km (0.066 R)
• M19: 19,811,246 km (0.064 R)
• M20: 24,679,460 km (0.12 R)
• M21: 25,274,859 km (0.096 R)
• M22: 26,939,285 km (0.104 R)
• M23: 28,119,463 km (0.037 R)
• M24: 30,291,474 km (0.118 R)
• M25: 33,289,865 km (0.092 R)
• M26: 34,016,910 km (0.083 R)
• M27: 34,860,792 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.1

Radius: 4.6

Gravity: 30.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 14.32 AU - 16.18 AU

Year: 25286 Days

Day: 21.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,931,860 km

• M1: 63,130 km (0.064 R)
• M2: 207,343 km (0.107 R)
• M3: 387,010 km (0.103 R)
• M4: 598,391 km (0.071 R)
• M5: 861,684 km (0.063 R)
• M6: 1,100,442 km (0.103 R)
• M7: 1,844,243 km (0.064 R)
• M8: 2,005,509 km (0.044 R)
• M9: 2,176,051 km (0.113 R)
• M10: 3,012,004 km (0.111 R)
• M11: 3,911,087 km (0.093 R)
• M12: 5,617,250 km (0.073 R)
• M13: 7,109,938 km (0.12 R)
• M14: 11,113,177 km (0.056 R)
• M15: 14,989,258 km (0.044 R)
• M16: 17,360,683 km (0.067 R)
• M17: 19,679,301 km (0.112 R)
• M18: 23,045,103 km (0.083 R)
• M19: 24,470,023 km (0.08 R)
• M20: 26,656,695 km (0.049 R)
• M21: 27,252,992 km (0.119 R)
• M22: 28,348,796 km (0.046 R)
• M23: 30,240,013 km (0.097 R)
• M24: 34,411,549 km (0.106 R)
• M25: 36,707,428 km (0.057 R)
• M26: 36,854,183 km (0.05 R)
• M27: 37,149,041 km (0.041 R)
• M28: 39,873,068 km (0.114 R)
• M29: 43,543,751 km (0.084 R)
• M30: 46,055,200 km (0.109 R)
• M31: 67,705,453 km (0.059 R)
• M32: 82,828,302 km (0.114 R)
• M33: 83,587,661 km (0.062 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 18,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit