🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.43 AU - 0.59 AU

Year: 131 Days

Day: 44.2 Hours

Environment

Temp: 258 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.12 AU - 1.28 AU

Year: 473 Days

Day: 25.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.93 AU - 3.37 AU

Year: 2012 Days

Day: 13.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,547,060 km

• M1: 558,150 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.28 AU - 4.58 AU

Year: 3356 Days

Day: 30 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 10.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.27 AU - 5.89 AU

Year: 4121 Days

Day: 9 Hours

Environment

Temp: -138 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,547,060 km

• M1: 138,827 km (0.119 R)
• M2: 510,278 km (0.076 R)
• M3: 839,992 km (0.065 R)
• M4: 1,250,489 km (0.059 R)
• M5: 2,396,707 km (0.112 R)
• M6: 3,338,576 km (0.088 R)
• M7: 4,298,246 km (0.12 R)
• M8: 4,730,135 km (0.038 R)
• M9: 5,324,188 km (0.096 R)
• M10: 6,113,616 km (0.114 R)
• M11: 6,661,144 km (0.107 R)
• M12: 7,889,343 km (0.106 R)
• M13: 10,659,297 km (0.085 R)
• M14: 11,363,155 km (0.103 R)
• M15: 13,712,141 km (0.118 R)
• M16: 14,597,760 km (0.088 R)
• M17: 15,355,473 km (0.064 R)
• M18: 15,912,426 km (0.119 R)
• M19: 17,907,763 km (0.062 R)
• M20: 22,388,967 km (0.085 R)
• M21: 23,177,946 km (0.066 R)
• M22: 23,615,969 km (0.103 R)
• M23: 24,735,559 km (0.117 R)
• M24: 25,346,816 km (0.092 R)
• M25: 26,125,174 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 12.5

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.62 AU - 8.2 AU

Year: 7259 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,547,060 km

• M1: 163,361 km (0.106 R)
• M2: 704,008 km (0.109 R)
• M3: 1,146,518 km (0.093 R)
• M4: 1,750,744 km (0.047 R)
• M5: 3,559,382 km (0.089 R)
• M6: 4,460,111 km (0.118 R)
• M7: 5,735,134 km (0.11 R)
• M8: 6,457,542 km (0.109 R)
• M9: 7,124,299 km (0.096 R)
• M10: 8,552,211 km (0.096 R)
• M11: 8,993,226 km (0.074 R)
• M12: 9,403,273 km (0.11 R)
• M13: 9,873,310 km (0.03 R)
• M14: 10,508,054 km (0.094 R)
• M15: 11,221,635 km (0.074 R)
• M16: 11,643,950 km (0.089 R)
• M17: 13,736,525 km (0.088 R)
• M18: 16,674,179 km (0.087 R)
• M19: 19,248,010 km (0.048 R)
• M20: 19,854,031 km (0.089 R)
• M21: 21,024,634 km (0.093 R)
• M22: 26,355,704 km (0.115 R)
• M23: 32,206,327 km (0.089 R)
• M24: 33,385,308 km (0.089 R)
• M25: 40,328,145 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 12.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.1 AU - 9.02 AU

Year: 9013 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,547,060 km

• M1: 157,078 km (0.109 R)
• M2: 572,511 km (0.04 R)
• M3: 1,195,287 km (0.056 R)
• M4: 1,815,221 km (0.057 R)
• M5: 2,297,973 km (0.056 R)
• M6: 2,866,295 km (0.108 R)
• M7: 3,549,509 km (0.106 R)
• M8: 3,942,502 km (0.035 R)
• M9: 4,789,525 km (0.11 R)
• M10: 8,107,008 km (0.046 R)
• M11: 9,964,265 km (0.097 R)
• M12: 11,138,010 km (0.05 R)
• M13: 18,494,186 km (0.12 R)
• M14: 25,132,592 km (0.084 R)
• M15: 27,299,517 km (0.107 R)
• M16: 28,657,866 km (0.116 R)
• M17: 32,600,368 km (0.114 R)
• M18: 34,440,272 km (0.078 R)
• M19: 35,174,199 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189

Radius: 5.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 12.82 AU - 13.8 AU

Year: 17476 Days

Day: 18.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,547,060 km

• M1: 75,547 km (0.073 R)
• M2: 603,029 km (0.084 R)
• M3: 937,380 km (0.039 R)
• M4: 1,782,010 km (0.089 R)
• M5: 2,646,985 km (0.056 R)
• M6: 3,513,007 km (0.075 R)
• M7: 8,395,133 km (0.106 R)
• M8: 11,210,266 km (0.07 R)
• M9: 11,862,363 km (0.099 R)
• M10: 13,785,893 km (0.065 R)
• M11: 15,374,622 km (0.075 R)
• M12: 17,365,919 km (0.107 R)
• M13: 21,028,973 km (0.099 R)
• M14: 24,539,586 km (0.112 R)
• M15: 24,720,300 km (0.076 R)
• M16: 31,722,228 km (0.092 R)
• M17: 40,565,407 km (0.091 R)
• M18: 43,007,443 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.6

Radius: 7.6

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 13.59 AU - 14.03 AU

Year: 18470 Days

Day: 15.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,547,060 km

• M1: 96,640 km (0.057 R)
• M2: 770,429 km (0.114 R)
• M3: 1,074,113 km (0.059 R)
• M4: 1,554,471 km (0.044 R)
• M5: 1,891,515 km (0.08 R)
• M6: 2,342,403 km (0.055 R)
• M7: 2,617,364 km (0.12 R)
• M8: 2,888,286 km (0.106 R)
• M9: 3,372,385 km (0.089 R)
• M10: 4,536,705 km (0.077 R)
• M11: 4,784,140 km (0.084 R)
• M12: 6,202,328 km (0.067 R)
• M13: 7,339,272 km (0.073 R)
• M14: 8,033,555 km (0.077 R)
• M15: 10,078,708 km (0.077 R)
• M16: 10,318,812 km (0.087 R)
• M17: 12,516,704 km (0.072 R)
• M18: 13,725,006 km (0.111 R)
• M19: 16,454,120 km (0.082 R)
• M20: 19,248,010 km (0.088 R)
• M21: 21,048,420 km (0.042 R)
• M22: 24,115,326 km (0.117 R)
• M23: 25,090,405 km (0.105 R)
• M24: 25,421,316 km (0.113 R)
• M25: 27,467,665 km (0.103 R)
• M26: 31,118,302 km (0.066 R)
• M27: 31,756,636 km (0.115 R)
• M28: 38,921,776 km (0.097 R)
• M29: 39,662,734 km (0.08 R)
• M30: 40,715,753 km (0.075 R)
• M31: 47,597,255 km (0.078 R)
• M32: 51,046,384 km (0.087 R)
• M33: 52,112,867 km (0.111 R)
• M34: 52,471,603 km (0.034 R)
• M35: 57,477,297 km (0.076 R)
• M36: 61,184,632 km (0.114 R)
• M37: 65,255,938 km (0.085 R)
• M38: 75,756,511 km (0.117 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 18,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit