🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.49 AU - 0.73 AU

Year: 166 Days

Day: 35.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 108,352,432 km

• M1: 296,204 km (0.115 R)
• M2: 418,276 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.62 AU - 0.66 AU

Year: 178 Days

Day: 14.3 Hours

Environment

Temp: 189 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.66 AU - 1.04 AU

Year: 273 Days

Day: 18.1 Hours

Environment

Temp: 196 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 108,352,432 km

• M1: 40,391 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.86 AU - 5.1 AU

Year: 3870 Days

Day: 36.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 11.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.56 AU - 8.22 AU

Year: 7718 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 108,352,432 km

• M1: 148,102 km (0.107 R)
• M2: 727,794 km (0.048 R)
• M3: 1,328,728 km (0.068 R)
• M4: 2,017,626 km (0.075 R)
• M5: 2,582,059 km (0.114 R)
• M6: 3,293,996 km (0.039 R)
• M7: 4,055,748 km (0.12 R)
• M8: 5,732,142 km (0.066 R)
• M9: 6,582,007 km (0.104 R)
• M10: 8,238,056 km (0.107 R)
• M11: 8,832,857 km (0.034 R)
• M12: 9,320,097 km (0.078 R)
• M13: 10,061,055 km (0.081 R)
• M14: 13,193,335 km (0.107 R)
• M15: 14,008,494 km (0.118 R)
• M16: 15,610,987 km (0.115 R)
• M17: 18,381,390 km (0.084 R)
• M18: 19,920,452 km (0.067 R)
• M19: 27,219,183 km (0.113 R)
• M20: 29,118,178 km (0.038 R)
• M21: 29,902,071 km (0.094 R)
• M22: 30,901,535 km (0.099 R)
• M23: 35,899,749 km (0.116 R)
• M24: 38,414,340 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.7

Radius: 5

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 19.28 AU - 20.14 AU

Year: 30474 Days

Day: 22.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 108,352,432 km

• M1: 62,382 km (0.103 R)
• M2: 269,875 km (0.06 R)
• M3: 559,795 km (0.094 R)
• M4: 1,598,453 km (0.115 R)
• M5: 1,855,014 km (0.118 R)
• M6: 2,268,951 km (0.115 R)
• M7: 3,055,985 km (0.076 R)
• M8: 3,541,430 km (0.085 R)
• M9: 5,751,889 km (0.117 R)
• M10: 5,920,037 km (0.084 R)
• M11: 8,416,227 km (0.072 R)
• M12: 12,283,182 km (0.104 R)
• M13: 13,499,712 km (0.065 R)
• M14: 14,328,334 km (0.06 R)
• M15: 15,190,317 km (0.086 R)
• M16: 15,512,252 km (0.064 R)
• M17: 17,804,989 km (0.099 R)
• M18: 23,154,908 km (0.05 R)
• M19: 34,197,924 km (0.045 R)
• M20: 35,029,389 km (0.08 R)
• M21: 42,330,064 km (0.119 R)
• M22: 55,177,828 km (0.093 R)
• M23: 61,659,605 km (0.106 R)
• M24: 70,396,270 km (0.094 R)
• M25: 73,101,149 km (0.11 R)
• M26: 80,651,204 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.8

Radius: 7.6

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 16.39 AU - 23.77 AU

Year: 31336 Days

Day: 20.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 108,352,432 km

• M1: 96,042 km (0.115 R)
• M2: 626,366 km (0.071 R)
• M3: 1,097,151 km (0.068 R)
• M4: 1,428,959 km (0.118 R)
• M5: 3,017,539 km (0.065 R)
• M6: 3,414,123 km (0.094 R)
• M7: 3,984,988 km (0.115 R)
• M8: 4,578,742 km (0.108 R)
• M9: 5,315,661 km (0.075 R)
• M10: 5,895,203 km (0.118 R)
• M11: 10,359,353 km (0.101 R)
• M12: 11,049,598 km (0.039 R)
• M13: 12,141,962 km (0.028 R)
• M14: 12,675,577 km (0.064 R)
• M15: 14,203,121 km (0.11 R)
• M16: 16,765,284 km (0.112 R)
• M17: 17,812,768 km (0.108 R)
• M18: 19,724,030 km (0.112 R)
• M19: 20,037,737 km (0.12 R)
• M20: 21,879,287 km (0.113 R)
• M21: 24,067,754 km (0.089 R)
• M22: 35,658,148 km (0.113 R)
• M23: 36,436,955 km (0.065 R)
• M24: 38,190,092 km (0.059 R)
• M25: 41,691,580 km (0.098 R)
• M26: 42,730,089 km (0.087 R)
• M27: 49,710,624 km (0.107 R)
• M28: 54,080,229 km (0.068 R)
• M29: 56,568,340 km (0.079 R)
• M30: 60,883,042 km (0.105 R)
• M31: 65,412,118 km (0.079 R)
• M32: 74,373,479 km (0.065 R)
• M33: 77,966,969 km (0.1 R)
• M34: 87,453,718 km (0.036 R)
• M35: 90,586,896 km (0.037 R)
• M36: 94,681,988 km (0.065 R)
• M37: 105,455,728 km (0.101 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 12,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit