🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.73 AU - 1.15 AU

Year: 328 Days

Day: 22.8 Hours

Environment

Temp: 96 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,190,906 km

• M1: 55,501 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.04 AU - 1.32 AU

Year: 461 Days

Day: 14.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 68,190,906 km

• M1: 204,799 km (0.09 R)
• M2: 653,593 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.07 AU - 3.37 AU

Year: 2079 Days

Day: 40.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,190,906 km

• M1: 53,706 km (0.096 R)

Asteroid Belt

Center: 7.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 12.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.8

Radius: 4.7

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 10.97 AU - 14.39 AU

Year: 16250 Days

Day: 16.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,190,906 km

• M1: 59,241 km (0.034 R)
• M2: 243,396 km (0.099 R)
• M3: 421,118 km (0.083 R)
• M4: 771,327 km (0.111 R)
• M5: 1,102,836 km (0.115 R)
• M6: 1,320,800 km (0.086 R)
• M7: 2,225,119 km (0.06 R)
• M8: 2,937,803 km (0.066 R)
• M9: 3,143,350 km (0.091 R)
• M10: 4,119,477 km (0.111 R)
• M11: 4,615,543 km (0.114 R)
• M12: 4,831,114 km (0.083 R)
• M13: 7,454,312 km (0.083 R)
• M14: 10,313,128 km (0.055 R)
• M15: 11,168,678 km (0.052 R)
• M16: 12,303,527 km (0.088 R)
• M17: 14,146,573 km (0.119 R)
• M18: 16,520,242 km (0.109 R)
• M19: 17,539,752 km (0.051 R)
• M20: 17,838,499 km (0.055 R)
• M21: 20,848,857 km (0.119 R)
• M22: 22,211,843 km (0.073 R)
• M23: 22,473,789 km (0.059 R)
• M24: 25,397,978 km (0.058 R)
• M25: 28,054,687 km (0.071 R)
• M26: 31,217,186 km (0.119 R)
• M27: 31,436,197 km (0.048 R)
• M28: 32,210,366 km (0.049 R)
• M29: 39,888,028 km (0.088 R)
• M30: 42,920,227 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.2

Radius: 4.2

Gravity: 44.97 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 13.05 AU - 18.63 AU

Year: 22688 Days

Day: 24.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,190,906 km

• M1: 56,698 km (0.098 R)
• M2: 198,666 km (0.084 R)
• M3: 638,633 km (0.077 R)
• M4: 1,165,068 km (0.113 R)
• M5: 1,425,668 km (0.071 R)
• M6: 1,596,508 km (0.112 R)
• M7: 2,444,579 km (0.096 R)
• M8: 2,614,821 km (0.112 R)
• M9: 7,251,158 km (0.111 R)
• M10: 12,764,887 km (0.049 R)
• M11: 13,653,349 km (0.063 R)
• M12: 29,210,480 km (0.105 R)
• M13: 30,487,298 km (0.092 R)
• M14: 38,482,257 km (0.106 R)
• M15: 54,340,230 km (0.103 R)
• M16: 55,878,545 km (0.117 R)
• M17: 58,639,673 km (0.116 R)
• M18: 62,113,186 km (0.094 R)
• M19: 65,289,747 km (0.091 R)
• M20: 67,907,709 km (0.072 R)
• M21: 70,142,103 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.6

Radius: 3.2

Gravity: 79.06 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 12.95 AU - 20.05 AU

Year: 24121 Days

Day: 23.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,190,906 km

• M1: 39,793 km (0.041 R)
• M2: 161,117 km (0.078 R)
• M3: 263,891 km (0.118 R)
• M4: 503,397 km (0.06 R)
• M5: 813,364 km (0.096 R)
• M6: 996,771 km (0.09 R)
• M7: 1,480,570 km (0.113 R)
• M8: 3,495,953 km (0.112 R)
• M9: 4,326,221 km (0.113 R)
• M10: 4,580,388 km (0.057 R)
• M11: 4,730,135 km (0.068 R)
• M12: 4,921,770 km (0.055 R)
• M13: 5,870,819 km (0.114 R)
• M14: 6,598,912 km (0.07 R)
• M15: 7,907,295 km (0.032 R)
• M16: 8,177,319 km (0.093 R)
• M17: 10,178,938 km (0.113 R)
• M18: 10,434,003 km (0.09 R)
• M19: 10,628,181 km (0.069 R)
• M20: 13,527,387 km (0.08 R)
• M21: 14,626,932 km (0.095 R)
• M22: 16,385,604 km (0.077 R)
• M23: 17,816,508 km (0.093 R)
• M24: 23,923,841 km (0.118 R)
• M25: 27,812,189 km (0.12 R)
• M26: 27,936,206 km (0.105 R)
• M27: 29,581,782 km (0.089 R)
• M28: 32,237,593 km (0.107 R)
• M29: 35,922,189 km (0.066 R)
• M30: 39,095,309 km (0.106 R)
• M31: 47,215,182 km (0.074 R)
• M32: 47,391,708 km (0.088 R)
• M33: 54,816,549 km (0.103 R)
• M34: 59,007,833 km (0.083 R)
• M35: 62,766,330 km (0.082 R)
• M36: 63,407,805 km (0.117 R)
• M37: 66,459,452 km (0.098 R)
• M38: 72,618,247 km (0.025 R)
• M39: 78,402,598 km (0.093 R)
• M40: 80,900,733 km (0.082 R)
• M41: 82,680,649 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 5.6

Gravity: 29.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17.31 AU - 17.45 AU

Year: 26076 Days

Day: 15.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,190,906 km

• M1: 69,862 km (0.078 R)
• M2: 252,521 km (0.069 R)
• M3: 1,056,610 km (0.075 R)
• M4: 1,479,373 km (0.101 R)
• M5: 4,169,442 km (0.094 R)
• M6: 5,596,008 km (0.11 R)
• M7: 6,276,678 km (0.038 R)
• M8: 8,021,288 km (0.111 R)
• M9: 8,532,315 km (0.09 R)
• M10: 9,431,996 km (0.068 R)
• M11: 14,068,034 km (0.107 R)
• M12: 15,665,590 km (0.077 R)
• M13: 18,918,147 km (0.074 R)
• M14: 27,220,679 km (0.038 R)
• M15: 37,660,815 km (0.071 R)
• M16: 43,759,023 km (0.1 R)
• M17: 48,231,999 km (0.07 R)
• M18: 53,990,320 km (0.111 R)
• M19: 57,448,425 km (0.085 R)
• M20: 67,308,720 km (0.045 R)
• M21: 69,643,194 km (0.092 R)
• M22: 73,001,367 km (0.052 R)
• M23: 94,570,538 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.8

Radius: 4.3

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 17.67 AU - 18.39 AU

Year: 27553 Days

Day: 23.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,190,906 km

• M1: 53,706 km (0.088 R)
• M2: 206,595 km (0.097 R)
• M3: 499,058 km (0.104 R)
• M4: 1,292,974 km (0.062 R)
• M5: 1,455,138 km (0.094 R)
• M6: 2,083,300 km (0.114 R)
• M7: 2,435,902 km (0.108 R)
• M8: 3,561,177 km (0.067 R)
• M9: 4,157,774 km (0.112 R)
• M10: 5,358,297 km (0.077 R)
• M11: 5,977,183 km (0.074 R)
• M12: 7,309,801 km (0.115 R)
• M13: 8,217,860 km (0.083 R)
• M14: 11,701,845 km (0.077 R)
• M15: 17,665,265 km (0.057 R)
• M16: 21,383,669 km (0.093 R)
• M17: 24,030,804 km (0.108 R)
• M18: 34,678,881 km (0.1 R)
• M19: 36,939,155 km (0.117 R)
• M20: 41,898,324 km (0.073 R)
• M21: 42,491,929 km (0.057 R)
• M22: 42,940,722 km (0.114 R)
• M23: 48,902,347 km (0.098 R)
• M24: 50,390,846 km (0.089 R)
• M25: 54,860,232 km (0.065 R)
• M26: 58,472,871 km (0.11 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 15,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit