🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.63 AU - 0.67 AU

Year: 190 Days

Day: 19.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 285 Days

Day: 19.8 Hours

Environment

Temp: 130 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.04 AU - 1.26 AU

Year: 448 Days

Day: 26.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 69,471,253 km

• M1: 385,963 km (0.09 R)
• M2: 684,560 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.13 AU - 1.71 AU

Year: 615 Days

Day: 32.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.91 AU - 3.25 AU

Year: 1965 Days

Day: 40.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 12

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.87 AU - 5.37 AU

Year: 4211 Days

Day: 12 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,471,253 km

• M1: 149,448 km (0.067 R)
• M2: 746,194 km (0.112 R)
• M3: 1,199,326 km (0.051 R)
• M4: 1,595,611 km (0.092 R)
• M5: 2,317,869 km (0.095 R)
• M6: 3,094,133 km (0.116 R)
• M7: 4,117,981 km (0.09 R)
• M8: 4,542,091 km (0.116 R)
• M9: 5,528,838 km (0.072 R)
• M10: 6,154,008 km (0.106 R)
• M11: 7,828,756 km (0.114 R)
• M12: 8,720,359 km (0.055 R)
• M13: 9,351,512 km (0.101 R)
• M14: 10,164,128 km (0.074 R)
• M15: 10,943,234 km (0.114 R)
• M16: 12,185,943 km (0.108 R)
• M17: 12,708,489 km (0.069 R)
• M18: 16,112,887 km (0.073 R)
• M19: 16,531,163 km (0.114 R)
• M20: 17,118,185 km (0.093 R)
• M21: 18,503,761 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 12.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.86 AU - 7.56 AU

Year: 5624 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,471,253 km

• M1: 159,322 km (0.105 R)
• M2: 857,495 km (0.082 R)
• M3: 1,505,254 km (0.043 R)
• M4: 2,036,625 km (0.111 R)
• M5: 2,464,775 km (0.088 R)
• M6: 3,031,302 km (0.093 R)
• M7: 3,506,724 km (0.081 R)
• M8: 3,960,604 km (0.115 R)
• M9: 5,445,362 km (0.077 R)
• M10: 6,612,824 km (0.073 R)
• M11: 8,288,919 km (0.071 R)
• M12: 10,323,450 km (0.115 R)
• M13: 11,457,103 km (0.118 R)
• M14: 11,903,054 km (0.091 R)
• M15: 14,537,921 km (0.119 R)
• M16: 15,899,860 km (0.11 R)
• M17: 16,392,935 km (0.062 R)
• M18: 17,345,125 km (0.058 R)
• M19: 18,133,207 km (0.112 R)
• M20: 19,013,740 km (0.096 R)
• M21: 19,639,807 km (0.085 R)
• M22: 24,171,426 km (0.113 R)
• M23: 25,572,260 km (0.094 R)
• M24: 27,113,716 km (0.108 R)
• M25: 29,356,338 km (0.113 R)
• M26: 31,141,639 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.1

Radius: 3.7

Gravity: 19.88 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.08 AU - 13.44 AU

Year: 16566 Days

Day: 18.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,471,253 km

• M1: 46,375 km (0.087 R)
• M2: 175,478 km (0.083 R)
• M3: 476,918 km (0.107 R)
• M4: 770,728 km (0.113 R)
• M5: 952,789 km (0.042 R)
• M6: 1,324,240 km (0.06 R)
• M7: 1,630,916 km (0.113 R)
• M8: 2,159,146 km (0.106 R)
• M9: 2,542,416 km (0.107 R)
• M10: 2,992,107 km (0.098 R)
• M11: 3,176,561 km (0.1 R)
• M12: 3,517,794 km (0.092 R)
• M13: 4,843,231 km (0.059 R)
• M14: 8,290,564 km (0.105 R)
• M15: 10,065,394 km (0.1 R)
• M16: 10,798,274 km (0.074 R)
• M17: 14,539,567 km (0.091 R)
• M18: 15,748,617 km (0.106 R)
• M19: 17,760,110 km (0.115 R)
• M20: 18,060,801 km (0.044 R)
• M21: 18,518,122 km (0.092 R)
• M22: 20,672,032 km (0.083 R)
• M23: 21,256,511 km (0.112 R)
• M24: 24,253,106 km (0.11 R)
• M25: 26,627,823 km (0.116 R)
• M26: 26,922,830 km (0.057 R)
• M27: 33,517,702 km (0.115 R)
• M28: 34,673,196 km (0.107 R)
• M29: 38,049,171 km (0.074 R)
• M30: 38,423,316 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.8

Radius: 5.7

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 12.89 AU - 15.73 AU

Year: 19674 Days

Day: 19 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,471,253 km

• M1: 70,909 km (0.079 R)
• M2: 334,351 km (0.084 R)
• M3: 554,410 km (0.071 R)
• M4: 1,006,494 km (0.105 R)
• M5: 1,304,793 km (0.064 R)
• M6: 1,594,414 km (0.099 R)
• M7: 2,178,594 km (0.054 R)
• M8: 2,633,521 km (0.064 R)
• M9: 4,545,980 km (0.09 R)
• M10: 4,889,158 km (0.101 R)
• M11: 5,705,064 km (0.07 R)
• M12: 6,694,804 km (0.073 R)
• M13: 7,003,873 km (0.089 R)
• M14: 7,842,369 km (0.113 R)
• M15: 10,998,884 km (0.095 R)
• M16: 14,251,890 km (0.088 R)
• M17: 15,823,416 km (0.113 R)
• M18: 16,135,327 km (0.078 R)
• M19: 18,093,713 km (0.087 R)
• M20: 18,520,815 km (0.097 R)
• M21: 21,605,074 km (0.047 R)
• M22: 23,268,303 km (0.058 R)
• M23: 23,875,222 km (0.103 R)
• M24: 24,285,569 km (0.097 R)
• M25: 25,120,474 km (0.111 R)
• M26: 25,651,996 km (0.11 R)
• M27: 27,739,933 km (0.092 R)
• M28: 28,193,514 km (0.045 R)
• M29: 42,992,932 km (0.105 R)
• M30: 56,073,770 km (0.105 R)
• M31: 56,980,931 km (0.106 R)
• M32: 58,267,323 km (0.111 R)
• M33: 58,638,476 km (0.049 R)
• M34: 66,597,082 km (0.095 R)
• M35: 67,409,997 km (0.099 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 16,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit