🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 43.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 177.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.43 AU - 0.61 AU

Year: 246 Days

Day: 42.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,742,449 km

• M1: 40,541 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.47 AU - 0.73 AU

Year: 305 Days

Day: 18.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 10.2

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.15 AU - 1.63 AU

Year: 1075 Days

Day: 7.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,742,449 km

• M1: 127,158 km (0.116 R)
• M2: 566,677 km (0.061 R)
• M3: 902,524 km (0.074 R)
• M4: 1,439,730 km (0.11 R)
• M5: 1,825,393 km (0.051 R)
• M6: 2,224,520 km (0.12 R)
• M7: 2,681,841 km (0.115 R)
• M8: 3,418,311 km (0.095 R)
• M9: 3,786,472 km (0.061 R)
• M10: 4,147,302 km (0.115 R)
• M11: 4,768,881 km (0.119 R)
• M12: 5,492,336 km (0.09 R)
• M13: 7,231,262 km (0.054 R)
• M14: 7,685,591 km (0.076 R)
• M15: 8,457,815 km (0.089 R)
• M16: 9,727,153 km (0.074 R)
• M17: 10,662,588 km (0.095 R)
• M18: 11,086,100 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 11.4

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.09 AU - 1.75 AU

Year: 1110 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,742,449 km

• M1: 141,968 km (0.047 R)
• M2: 499,956 km (0.034 R)
• M3: 1,217,577 km (0.083 R)
• M4: 1,751,492 km (0.091 R)
• M5: 2,162,886 km (0.075 R)
• M6: 2,578,618 km (0.086 R)
• M7: 2,981,186 km (0.084 R)
• M8: 3,455,112 km (0.11 R)
• M9: 4,328,614 km (0.072 R)
• M10: 4,753,472 km (0.112 R)
• M11: 5,245,201 km (0.104 R)
• M12: 5,708,206 km (0.086 R)
• M13: 7,891,886 km (0.097 R)
• M14: 8,447,044 km (0.119 R)
• M15: 9,028,231 km (0.102 R)
• M16: 9,606,427 km (0.112 R)
• M17: 10,270,642 km (0.12 R)
• M18: 10,740,978 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 13.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.76 AU - 1.78 AU

Year: 1545 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,742,449 km

• M1: 164,258 km (0.086 R)
• M2: 752,627 km (0.079 R)
• M3: 1,172,249 km (0.105 R)
• M4: 1,744,760 km (0.117 R)
• M5: 2,263,117 km (0.112 R)
• M6: 2,956,503 km (0.119 R)
• M7: 3,787,668 km (0.109 R)
• M8: 4,221,353 km (0.067 R)
• M9: 5,521,358 km (0.109 R)
• M10: 6,202,926 km (0.044 R)
• M11: 6,705,276 km (0.114 R)
• M12: 7,906,696 km (0.119 R)
• M13: 8,407,700 km (0.044 R)
• M14: 10,486,960 km (0.075 R)
• M15: 11,311,993 km (0.092 R)
• M16: 12,218,556 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.7

Radius: 13.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.37 AU - 3.65 AU

Year: 3426 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,742,449 km

• M1: 166,054 km (0.106 R)
• M2: 628,461 km (0.092 R)
• M3: 1,067,830 km (0.078 R)
• M4: 1,939,836 km (0.09 R)
• M5: 2,363,646 km (0.104 R)
• M6: 3,262,730 km (0.086 R)
• M7: 4,047,819 km (0.1 R)
• M8: 6,996,543 km (0.099 R)
• M9: 7,819,182 km (0.056 R)
• M10: 9,261,155 km (0.115 R)
• M11: 10,139,744 km (0.111 R)
• M12: 10,560,562 km (0.111 R)
• M13: 11,893,779 km (0.092 R)
• M14: 13,155,637 km (0.094 R)
• M15: 14,218,380 km (0.081 R)
• M16: 16,462,198 km (0.11 R)
• M17: 18,590,079 km (0.067 R)
• M18: 19,749,761 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.8

Radius: 7

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.45 AU - 6.91 AU

Year: 10078 Days

Day: 19.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,742,449 km

• M1: 87,066 km (0.076 R)
• M2: 330,761 km (0.079 R)
• M3: 652,247 km (0.053 R)
• M4: 1,246,749 km (0.076 R)
• M5: 2,104,842 km (0.112 R)
• M6: 2,649,079 km (0.091 R)
• M7: 3,598,726 km (0.05 R)
• M8: 4,318,591 km (0.098 R)
• M9: 4,818,847 km (0.096 R)
• M10: 5,226,800 km (0.1 R)
• M11: 5,829,679 km (0.115 R)
• M12: 6,076,217 km (0.067 R)
• M13: 11,798,634 km (0.025 R)
• M14: 12,951,585 km (0.093 R)
• M15: 13,740,265 km (0.119 R)
• M16: 14,052,027 km (0.093 R)
• M17: 15,147,233 km (0.094 R)
• M18: 17,001,948 km (0.102 R)
• M19: 20,664,253 km (0.05 R)
• M20: 26,034,966 km (0.104 R)
• M21: 26,608,824 km (0.054 R)
• M22: 28,280,281 km (0.076 R)
• M23: 29,090,503 km (0.063 R)
• M24: 30,757,472 km (0.104 R)
• M25: 31,506,359 km (0.07 R)
• M26: 32,486,973 km (0.104 R)
• M27: 36,852,538 km (0.106 R)
• M28: 46,445,801 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246

Radius: 6.2

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.33 AU - 6.93 AU

Year: 11199 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,742,449 km

• M1: 77,043 km (0.062 R)
• M2: 328,667 km (0.094 R)
• M3: 685,009 km (0.076 R)
• M4: 1,245,103 km (0.103 R)
• M5: 2,641,300 km (0.115 R)
• M6: 3,669,337 km (0.107 R)
• M7: 5,202,864 km (0.086 R)
• M8: 5,947,263 km (0.067 R)
• M9: 6,585,298 km (0.104 R)
• M10: 7,157,211 km (0.104 R)
• M11: 8,522,890 km (0.101 R)
• M12: 9,332,813 km (0.082 R)
• M13: 9,961,573 km (0.079 R)
• M14: 10,714,349 km (0.056 R)
• M15: 11,055,432 km (0.09 R)
• M16: 12,227,083 km (0.1 R)
• M17: 12,979,560 km (0.08 R)
• M18: 13,423,118 km (0.087 R)
• M19: 14,934,804 km (0.034 R)
• M20: 15,545,313 km (0.08 R)
• M21: 17,813,516 km (0.119 R)
• M22: 18,920,241 km (0.102 R)
• M23: 19,852,685 km (0.099 R)
• M24: 20,441,502 km (0.113 R)
• M25: 21,269,975 km (0.102 R)
• M26: 28,721,146 km (0.117 R)
• M27: 30,240,162 km (0.112 R)
• M28: 30,433,592 km (0.091 R)
• M29: 31,712,056 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 12,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit