🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.58 AU - 0.88 AU

Year: 238 Days

Day: 37.8 Hours

Environment

Temp: 113 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.86 AU - 1.22 AU

Year: 404 Days

Day: 12.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.28 AU - 1.46 AU

Year: 611 Days

Day: 26 Hours

Environment

Temp: -40 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.2

Radius: 13.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.96 AU - 7.96 AU

Year: 6992 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,633,074 km

• M1: 173,982 km (0.106 R)
• M2: 615,146 km (0.034 R)
• M3: 1,765,105 km (0.067 R)
• M4: 4,910,251 km (0.114 R)
• M5: 6,045,250 km (0.107 R)
• M6: 6,839,465 km (0.063 R)
• M7: 7,406,740 km (0.052 R)
• M8: 8,864,422 km (0.085 R)
• M9: 11,457,701 km (0.117 R)
• M10: 13,886,871 km (0.035 R)
• M11: 17,565,932 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 9.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.61 AU - 11.01 AU

Year: 11700 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,633,074 km

• M1: 114,442 km (0.038 R)
• M2: 575,952 km (0.11 R)
• M3: 1,717,832 km (0.099 R)
• M4: 4,310,812 km (0.116 R)
• M5: 5,220,666 km (0.101 R)
• M6: 7,416,464 km (0.119 R)
• M7: 8,049,413 km (0.06 R)
• M8: 12,217,957 km (0.112 R)
• M9: 12,628,304 km (0.058 R)
• M10: 16,310,357 km (0.078 R)
• M11: 19,173,809 km (0.089 R)
• M12: 20,293,400 km (0.086 R)
• M13: 20,724,242 km (0.071 R)
• M14: 22,739,026 km (0.1 R)
• M15: 23,992,806 km (0.115 R)
• M16: 27,677,551 km (0.111 R)
• M17: 30,302,395 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 12.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.03 AU - 11.17 AU

Year: 12223 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,633,074 km

• M1: 163,510 km (0.098 R)
• M2: 606,769 km (0.042 R)
• M3: 1,138,141 km (0.107 R)
• M4: 1,775,876 km (0.058 R)
• M5: 2,621,852 km (0.111 R)
• M6: 3,666,045 km (0.085 R)
• M7: 4,452,781 km (0.079 R)
• M8: 6,282,961 km (0.082 R)
• M9: 7,063,114 km (0.093 R)
• M10: 8,045,972 km (0.102 R)
• M11: 9,322,790 km (0.086 R)
• M12: 12,090,051 km (0.097 R)
• M13: 13,101,333 km (0.098 R)
• M14: 15,292,493 km (0.104 R)
• M15: 16,703,500 km (0.081 R)
• M16: 17,957,579 km (0.107 R)
• M17: 19,869,140 km (0.085 R)
• M18: 22,374,905 km (0.055 R)
• M19: 22,843,744 km (0.081 R)
• M20: 23,800,722 km (0.084 R)
• M21: 25,692,686 km (0.071 R)
• M22: 26,103,332 km (0.079 R)
• M23: 28,660,558 km (0.12 R)
• M24: 32,086,649 km (0.066 R)
• M25: 36,160,648 km (0.055 R)
• M26: 39,740,674 km (0.084 R)
• M27: 41,546,021 km (0.111 R)
• M28: 46,070,459 km (0.119 R)
• M29: 51,074,957 km (0.087 R)
• M30: 53,708,029 km (0.077 R)
• M31: 55,058,000 km (0.03 R)
• M32: 58,709,086 km (0.063 R)
• M33: 60,322,200 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.9

Radius: 4.5

Gravity: 28 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 10.36 AU - 16.2 AU

Year: 18429 Days

Day: 23.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 173.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,633,074 km

• M1: 55,950 km (0.068 R)
• M2: 204,500 km (0.119 R)
• M3: 382,223 km (0.115 R)
• M4: 604,824 km (0.099 R)
• M5: 899,981 km (0.11 R)
• M6: 2,783,418 km (0.106 R)
• M7: 3,883,112 km (0.105 R)
• M8: 4,317,095 km (0.074 R)
• M9: 5,099,343 km (0.078 R)
• M10: 6,983,977 km (0.055 R)
• M11: 8,253,614 km (0.075 R)
• M12: 10,347,984 km (0.092 R)
• M13: 10,758,032 km (0.07 R)
• M14: 17,608,417 km (0.094 R)
• M15: 19,049,194 km (0.087 R)
• M16: 20,566,715 km (0.114 R)
• M17: 23,739,237 km (0.083 R)
• M18: 24,246,823 km (0.075 R)
• M19: 27,555,778 km (0.088 R)
• M20: 31,884,243 km (0.108 R)
• M21: 34,402,574 km (0.076 R)
• M22: 35,183,175 km (0.027 R)
• M23: 38,008,181 km (0.095 R)
• M24: 41,271,659 km (0.104 R)
• M25: 48,187,419 km (0.077 R)
• M26: 51,833,119 km (0.089 R)
• M27: 54,773,016 km (0.097 R)
• M28: 57,639,760 km (0.098 R)
• M29: 59,667,560 km (0.061 R)
• M30: 60,041,255 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267

Radius: 6

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 11.98 AU - 16.6 AU

Year: 20570 Days

Day: 16.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,633,074 km

• M1: 76,594 km (0.067 R)
• M2: 285,283 km (0.112 R)
• M3: 487,539 km (0.047 R)
• M4: 771,775 km (0.047 R)
• M5: 1,151,156 km (0.074 R)
• M6: 1,679,386 km (0.117 R)
• M7: 1,927,868 km (0.081 R)
• M8: 3,429,681 km (0.1 R)
• M9: 4,827,074 km (0.091 R)
• M10: 5,579,851 km (0.11 R)
• M11: 11,572,742 km (0.102 R)
• M12: 11,928,336 km (0.05 R)
• M13: 12,230,224 km (0.075 R)
• M14: 12,849,260 km (0.111 R)
• M15: 14,970,708 km (0.112 R)
• M16: 18,094,760 km (0.076 R)
• M17: 27,329,586 km (0.109 R)
• M18: 28,385,897 km (0.083 R)
• M19: 28,600,420 km (0.045 R)
• M20: 32,648,389 km (0.092 R)
• M21: 35,054,371 km (0.06 R)
• M22: 43,544,051 km (0.101 R)
• M23: 44,403,790 km (0.089 R)
• M24: 49,491,015 km (0.064 R)
• M25: 52,496,286 km (0.092 R)
• M26: 55,621,087 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 17,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit