🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.53 AU - 0.55 AU

Year: 171 Days

Day: 12.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 145.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,493,901 km

• M1: 34,258 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.55 AU - 0.55 AU

Year: 176 Days

Day: 12.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,493,901 km

• M1: 213,177 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.17 AU - 2.49 AU

Year: 1531 Days

Day: 19.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 179.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.94 AU - 3.02 AU

Year: 1681 Days

Day: 20.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 11.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.08 AU - 6.24 AU

Year: 5045 Days

Day: 7.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,493,901 km

• M1: 138,079 km (0.025 R)
• M2: 580,141 km (0.108 R)
• M3: 1,201,420 km (0.088 R)
• M4: 1,653,505 km (0.112 R)
• M5: 2,021,366 km (0.094 R)
• M6: 2,382,645 km (0.072 R)
• M7: 2,908,931 km (0.084 R)
• M8: 3,314,640 km (0.116 R)
• M9: 4,264,287 km (0.098 R)
• M10: 4,618,385 km (0.031 R)
• M11: 5,017,961 km (0.105 R)
• M12: 8,423,407 km (0.079 R)
• M13: 11,705,136 km (0.029 R)
• M14: 12,308,913 km (0.108 R)
• M15: 13,179,124 km (0.116 R)
• M16: 13,528,435 km (0.11 R)
• M17: 14,297,816 km (0.03 R)
• M18: 14,987,911 km (0.098 R)
• M19: 15,368,638 km (0.03 R)
• M20: 16,320,380 km (0.112 R)
• M21: 18,965,719 km (0.105 R)
• M22: 20,456,611 km (0.11 R)
• M23: 21,815,259 km (0.071 R)
• M24: 22,164,121 km (0.093 R)
• M25: 25,783,193 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.7

Radius: 13.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.43 AU - 7.01 AU

Year: 5889 Days

Day: 12.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,493,901 km

• M1: 165,455 km (0.114 R)
• M2: 632,350 km (0.065 R)
• M3: 1,483,113 km (0.101 R)
• M4: 2,470,459 km (0.066 R)
• M5: 3,327,356 km (0.073 R)
• M6: 4,540,146 km (0.079 R)
• M7: 5,657,193 km (0.107 R)
• M8: 6,570,787 km (0.083 R)
• M9: 9,663,274 km (0.109 R)
• M10: 12,197,911 km (0.079 R)
• M11: 14,238,127 km (0.097 R)
• M12: 14,984,172 km (0.112 R)
• M13: 18,668,917 km (0.096 R)
• M14: 19,112,474 km (0.048 R)
• M15: 20,619,673 km (0.108 R)
• M16: 23,354,472 km (0.079 R)
• M17: 24,770,715 km (0.101 R)
• M18: 26,007,141 km (0.049 R)
• M19: 26,800,608 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 8.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.19 AU - 8.51 AU

Year: 9467 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,493,901 km

• M1: 105,766 km (0.108 R)
• M2: 402,119 km (0.106 R)
• M3: 1,013,526 km (0.071 R)
• M4: 1,434,943 km (0.11 R)
• M5: 2,793,291 km (0.065 R)
• M6: 4,336,393 km (0.111 R)
• M7: 4,679,272 km (0.119 R)
• M8: 5,133,152 km (0.071 R)
• M9: 7,131,480 km (0.106 R)
• M10: 8,238,953 km (0.074 R)
• M11: 10,636,857 km (0.087 R)
• M12: 11,692,719 km (0.104 R)
• M13: 16,690,036 km (0.074 R)
• M14: 17,179,221 km (0.043 R)
• M15: 17,677,831 km (0.036 R)
• M16: 18,112,861 km (0.065 R)
• M17: 19,004,465 km (0.066 R)
• M18: 23,729,962 km (0.099 R)
• M19: 25,068,564 km (0.089 R)
• M20: 26,175,139 km (0.071 R)
• M21: 27,121,795 km (0.063 R)
• M22: 27,506,860 km (0.109 R)
• M23: 28,287,761 km (0.098 R)
• M24: 33,617,933 km (0.092 R)
• M25: 34,062,238 km (0.086 R)
• M26: 38,967,403 km (0.11 R)
• M27: 42,228,637 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.1

Radius: 7.8

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.15 AU - 12.17 AU

Year: 13940 Days

Day: 24.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,493,901 km

• M1: 96,939 km (0.053 R)
• M2: 579,991 km (0.107 R)
• M3: 1,276,519 km (0.096 R)
• M4: 1,686,267 km (0.061 R)
• M5: 2,220,182 km (0.051 R)
• M6: 2,932,417 km (0.096 R)
• M7: 3,226,228 km (0.096 R)
• M8: 3,760,142 km (0.117 R)
• M9: 4,669,698 km (0.089 R)
• M10: 5,211,092 km (0.081 R)
• M11: 6,378,404 km (0.084 R)
• M12: 6,664,585 km (0.098 R)
• M13: 7,175,013 km (0.094 R)
• M14: 9,376,047 km (0.079 R)
• M15: 10,017,073 km (0.112 R)
• M16: 10,858,861 km (0.1 R)
• M17: 12,555,151 km (0.026 R)
• M18: 13,070,665 km (0.093 R)
• M19: 13,333,658 km (0.03 R)
• M20: 15,787,811 km (0.116 R)
• M21: 16,540,737 km (0.061 R)
• M22: 17,795,116 km (0.074 R)
• M23: 21,296,902 km (0.078 R)
• M24: 25,949,695 km (0.078 R)
• M25: 29,514,613 km (0.079 R)
• M26: 31,708,615 km (0.084 R)
• M27: 32,064,658 km (0.112 R)
• M28: 33,885,114 km (0.094 R)
• M29: 34,382,079 km (0.087 R)
• M30: 35,009,941 km (0.088 R)
• M31: 35,645,433 km (0.1 R)
• M32: 36,159,451 km (0.075 R)
• M33: 43,883,039 km (0.055 R)
• M34: 50,995,670 km (0.112 R)
• M35: 54,314,200 km (0.058 R)
• M36: 56,720,930 km (0.048 R)
• M37: 57,070,391 km (0.058 R)
• M38: 57,421,347 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325

Radius: 5.8

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 11.76 AU - 19.38 AU

Year: 26446 Days

Day: 23.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,493,901 km

• M1: 85,420 km (0.077 R)
• M2: 370,255 km (0.079 R)
• M3: 1,242,560 km (0.092 R)
• M4: 1,796,072 km (0.102 R)
• M5: 3,748,773 km (0.113 R)
• M6: 5,030,677 km (0.104 R)
• M7: 6,844,252 km (0.086 R)
• M8: 8,270,668 km (0.056 R)
• M9: 10,705,224 km (0.107 R)
• M10: 18,446,016 km (0.115 R)
• M11: 21,361,379 km (0.106 R)
• M12: 21,649,505 km (0.09 R)
• M13: 43,471,196 km (0.089 R)
• M14: 45,342,067 km (0.11 R)
• M15: 56,416,050 km (0.061 R)
• M16: 62,867,458 km (0.113 R)
• M17: 64,453,794 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit