🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.47 AU - 0.65 AU

Year: 271 Days

Day: 27.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.6 AU - 0.64 AU

Year: 315 Days

Day: 27.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 10.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.15 AU - 2.37 AU

Year: 2194 Days

Day: 12.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,471,879 km

• M1: 125,662 km (0.098 R)
• M2: 740,210 km (0.093 R)
• M3: 1,365,978 km (0.045 R)
• M4: 1,866,233 km (0.065 R)
• M5: 2,411,966 km (0.057 R)
• M6: 2,823,660 km (0.054 R)
• M7: 3,312,246 km (0.09 R)
• M8: 4,044,977 km (0.106 R)
• M9: 4,902,023 km (0.094 R)
• M10: 5,831,026 km (0.091 R)
• M11: 6,408,922 km (0.05 R)
• M12: 7,359,916 km (0.116 R)
• M13: 8,517,504 km (0.098 R)
• M14: 9,540,305 km (0.052 R)
• M15: 10,049,087 km (0.057 R)
• M16: 11,400,555 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 10.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.41 AU - 3.01 AU

Year: 2881 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,471,879 km

• M1: 125,662 km (0.098 R)
• M2: 453,880 km (0.052 R)
• M3: 942,018 km (0.046 R)
• M4: 1,278,763 km (0.041 R)
• M5: 1,872,816 km (0.05 R)
• M6: 2,596,121 km (0.06 R)
• M7: 6,145,630 km (0.041 R)
• M8: 10,221,275 km (0.049 R)
• M9: 10,776,881 km (0.072 R)
• M10: 11,478,345 km (0.042 R)
• M11: 13,389,159 km (0.117 R)
• M12: 19,285,559 km (0.074 R)
• M13: 19,828,300 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.45 AU - 3.39 AU

Year: 3222 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,471,879 km

• M1: 165,455 km (0.109 R)
• M2: 891,753 km (0.078 R)
• M3: 1,979,329 km (0.08 R)
• M4: 2,769,505 km (0.081 R)
• M5: 4,328,914 km (0.071 R)
• M6: 5,740,519 km (0.113 R)
• M7: 6,412,214 km (0.051 R)
• M8: 6,898,407 km (0.118 R)
• M9: 9,345,080 km (0.076 R)
• M10: 10,469,457 km (0.041 R)
• M11: 11,145,640 km (0.116 R)
• M12: 12,673,632 km (0.099 R)
• M13: 15,121,802 km (0.07 R)
• M14: 16,299,286 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 12.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.31 AU - 5.45 AU

Year: 6961 Days

Day: 8.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,471,879 km

• M1: 159,172 km (0.098 R)
• M2: 619,186 km (0.11 R)
• M3: 1,057,657 km (0.116 R)
• M4: 1,586,037 km (0.056 R)
• M5: 2,695,903 km (0.06 R)
• M6: 3,111,636 km (0.087 R)
• M7: 4,394,437 km (0.1 R)
• M8: 10,669,470 km (0.055 R)
• M9: 11,139,357 km (0.093 R)
• M10: 12,374,736 km (0.089 R)
• M11: 12,788,823 km (0.073 R)
• M12: 14,368,127 km (0.066 R)
• M13: 15,234,150 km (0.082 R)
• M14: 17,910,755 km (0.111 R)
• M15: 20,959,709 km (0.104 R)
• M16: 23,148,775 km (0.039 R)
• M17: 23,699,295 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.4

Radius: 7.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.47 AU - 8.69 AU

Year: 12164 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,471,879 km

• M1: 136,284 km (0.078 R)
• M2: 783,594 km (0.062 R)
• M3: 1,124,527 km (0.059 R)
• M4: 5,477,526 km (0.1 R)
• M5: 6,384,388 km (0.116 R)
• M6: 7,015,093 km (0.098 R)
• M7: 12,951,286 km (0.112 R)
• M8: 13,449,447 km (0.119 R)
• M9: 19,560,819 km (0.089 R)
• M10: 20,383,009 km (0.056 R)
• M11: 21,833,360 km (0.088 R)
• M12: 22,272,729 km (0.112 R)
• M13: 23,260,225 km (0.06 R)
• M14: 24,089,596 km (0.079 R)
• M15: 26,795,821 km (0.113 R)
• M16: 30,455,434 km (0.099 R)
• M17: 31,336,266 km (0.105 R)
• M18: 31,671,066 km (0.033 R)
• M19: 34,198,672 km (0.116 R)
• M20: 41,905,206 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.8

Radius: 3.9

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.78 AU - 11.32 AU

Year: 19055 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,471,879 km

• M1: 50,115 km (0.095 R)
• M2: 236,514 km (0.112 R)
• M3: 640,728 km (0.12 R)
• M4: 1,015,470 km (0.094 R)
• M5: 1,318,855 km (0.101 R)
• M6: 1,729,351 km (0.055 R)
• M7: 2,381,748 km (0.099 R)
• M8: 3,311,947 km (0.048 R)
• M9: 4,212,975 km (0.116 R)
• M10: 4,557,200 km (0.118 R)
• M11: 5,091,115 km (0.053 R)
• M12: 5,891,613 km (0.03 R)
• M13: 10,946,525 km (0.095 R)
• M14: 12,584,771 km (0.065 R)
• M15: 13,362,680 km (0.108 R)
• M16: 13,628,964 km (0.113 R)
• M17: 14,103,489 km (0.098 R)
• M18: 14,800,316 km (0.098 R)
• M19: 16,111,990 km (0.119 R)
• M20: 16,413,579 km (0.113 R)
• M21: 17,184,158 km (0.108 R)
• M22: 21,130,998 km (0.12 R)
• M23: 28,392,928 km (0.065 R)
• M24: 30,869,371 km (0.064 R)
• M25: 34,722,863 km (0.071 R)
• M26: 37,814,751 km (0.107 R)
• M27: 43,221,966 km (0.034 R)
• M28: 44,539,026 km (0.099 R)
• M29: 45,882,714 km (0.097 R)
• M30: 48,964,729 km (0.032 R)
• M31: 52,017,723 km (0.115 R)
• M32: 54,854,846 km (0.117 R)
• M33: 55,708,601 km (0.045 R)
• M34: 56,571,033 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 13,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit