🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.52 AU - 0.56 AU

Year: 141 Days

Day: 16.7 Hours

Environment

Temp: 219 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.49 AU - 0.63 AU

Year: 149 Days

Day: 25.5 Hours

Environment

Temp: 188 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.79 AU - 1.31 AU

Year: 384 Days

Day: 31.5 Hours

Environment

Temp: 38 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.04 AU - 1.44 AU

Year: 492 Days

Day: 33.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.41 AU - 4.11 AU

Year: 2599 Days

Day: 27.8 Hours

Environment

Temp: -105 °C

Axial Tilt: 91.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,291,036 km

• M1: 954,584 km (0.081 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.88 AU - 4.1 AU

Year: 2841 Days

Day: 17.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 10.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.1 AU - 6.74 AU

Year: 4498 Days

Day: 12.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 99,291,036 km

• M1: 137,780 km (0.083 R)
• M2: 931,097 km (0.12 R)
• M3: 1,283,550 km (0.069 R)
• M4: 2,175,602 km (0.084 R)
• M5: 2,701,438 km (0.116 R)
• M6: 3,167,585 km (0.114 R)
• M7: 4,873,151 km (0.053 R)
• M8: 5,803,949 km (0.078 R)
• M9: 6,819,269 km (0.068 R)
• M10: 8,250,173 km (0.068 R)
• M11: 9,948,558 km (0.098 R)
• M12: 10,616,811 km (0.078 R)
• M13: 11,912,030 km (0.106 R)
• M14: 13,879,242 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.5

Radius: 8.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.25 AU - 7.21 AU

Year: 6223 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 99,291,036 km

• M1: 121,623 km (0.06 R)
• M2: 383,419 km (0.076 R)
• M3: 749,336 km (0.104 R)
• M4: 1,166,415 km (0.086 R)
• M5: 1,658,891 km (0.118 R)
• M6: 2,423,186 km (0.073 R)
• M7: 2,929,575 km (0.034 R)
• M8: 4,362,573 km (0.111 R)
• M9: 4,777,558 km (0.116 R)
• M10: 5,887,574 km (0.107 R)
• M11: 6,549,844 km (0.07 R)
• M12: 10,712,554 km (0.081 R)
• M13: 11,332,936 km (0.099 R)
• M14: 13,439,574 km (0.063 R)
• M15: 13,848,873 km (0.078 R)
• M16: 14,638,600 km (0.087 R)
• M17: 17,368,163 km (0.078 R)
• M18: 17,853,907 km (0.065 R)
• M19: 18,224,162 km (0.102 R)
• M20: 21,097,489 km (0.109 R)
• M21: 24,109,492 km (0.109 R)
• M22: 24,714,017 km (0.039 R)
• M23: 25,328,715 km (0.046 R)
• M24: 26,668,513 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.8

Radius: 4.5

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 16.05 AU - 17.25 AU

Year: 24217 Days

Day: 15.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 99,291,036 km

• M1: 56,099 km (0.109 R)
• M2: 302,188 km (0.117 R)
• M3: 549,772 km (0.054 R)
• M4: 946,506 km (0.081 R)
• M5: 1,200,074 km (0.106 R)
• M6: 1,591,572 km (0.06 R)
• M7: 3,410,831 km (0.102 R)
• M8: 4,006,530 km (0.116 R)
• M9: 4,250,823 km (0.105 R)
• M10: 4,408,500 km (0.096 R)
• M11: 4,802,989 km (0.093 R)
• M12: 5,549,333 km (0.114 R)
• M13: 6,493,744 km (0.109 R)
• M14: 8,104,016 km (0.091 R)
• M15: 8,445,398 km (0.106 R)
• M16: 10,525,257 km (0.071 R)
• M17: 12,532,861 km (0.088 R)
• M18: 12,989,284 km (0.085 R)
• M19: 22,921,685 km (0.066 R)
• M20: 24,299,182 km (0.113 R)
• M21: 24,500,391 km (0.062 R)
• M22: 24,906,101 km (0.068 R)
• M23: 25,730,983 km (0.09 R)
• M24: 27,217,986 km (0.066 R)
• M25: 28,537,439 km (0.1 R)
• M26: 28,761,387 km (0.081 R)
• M27: 32,384,498 km (0.088 R)
• M28: 33,490,625 km (0.079 R)
• M29: 37,627,904 km (0.061 R)
• M30: 38,167,802 km (0.088 R)
• M31: 41,660,015 km (0.117 R)
• M32: 44,753,400 km (0.104 R)
• M33: 49,111,186 km (0.077 R)
• M34: 54,256,305 km (0.093 R)
• M35: 55,814,666 km (0.073 R)
• M36: 57,580,968 km (0.089 R)
• M37: 61,784,070 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.4

Radius: 3.5

Gravity: 47.46 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 17.11 AU - 23.29 AU

Year: 32361 Days

Day: 15.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 99,291,036 km

• M1: 43,832 km (0.078 R)
• M2: 179,218 km (0.091 R)
• M3: 298,747 km (0.084 R)
• M4: 497,563 km (0.036 R)
• M5: 825,631 km (0.095 R)
• M6: 975,827 km (0.067 R)
• M7: 1,266,944 km (0.1 R)
• M8: 1,467,555 km (0.06 R)
• M9: 1,849,030 km (0.115 R)
• M10: 2,152,863 km (0.095 R)
• M11: 2,365,292 km (0.102 R)
• M12: 5,619,494 km (0.059 R)
• M13: 6,636,610 km (0.099 R)
• M14: 8,789,324 km (0.097 R)
• M15: 10,413,657 km (0.112 R)
• M16: 13,442,565 km (0.076 R)
• M17: 13,758,367 km (0.107 R)
• M18: 14,487,207 km (0.098 R)
• M19: 14,735,689 km (0.064 R)
• M20: 15,498,489 km (0.073 R)
• M21: 16,646,054 km (0.094 R)
• M22: 17,010,325 km (0.11 R)
• M23: 18,326,936 km (0.111 R)
• M24: 20,634,932 km (0.091 R)
• M25: 21,696,030 km (0.098 R)
• M26: 23,129,327 km (0.094 R)
• M27: 27,173,705 km (0.099 R)
• M28: 36,169,025 km (0.083 R)
• M29: 39,935,750 km (0.114 R)
• M30: 40,260,976 km (0.081 R)
• M31: 42,587,073 km (0.083 R)
• M32: 47,504,804 km (0.108 R)
• M33: 48,605,695 km (0.12 R)
• M34: 48,790,897 km (0.045 R)
• M35: 49,536,044 km (0.111 R)
• M36: 49,723,490 km (0.116 R)
• M37: 50,667,901 km (0.111 R)
• M38: 55,166,758 km (0.098 R)
• M39: 56,178,788 km (0.072 R)
• M40: 88,953,587 km (0.099 R)
• M41: 98,104,788 km (0.117 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 15,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit