🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.45 AU - 0.59 AU

Year: 242 Days

Day: 27.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,507,940 km

• M1: 81,082 km (0.07 R)

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 8.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.89 AU - 1.37 AU

Year: 776 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,507,940 km

• M1: 104,120 km (0.098 R)
• M2: 439,668 km (0.107 R)
• M3: 1,071,420 km (0.028 R)
• M4: 1,367,474 km (0.119 R)
• M5: 2,180,688 km (0.115 R)
• M6: 2,623,797 km (0.088 R)
• M7: 3,388,392 km (0.111 R)
• M8: 3,841,973 km (0.055 R)
• M9: 5,240,563 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 12.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.25 AU - 1.33 AU

Year: 946 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,507,940 km

• M1: 154,535 km (0.095 R)
• M2: 975,079 km (0.093 R)
• M3: 1,589,477 km (0.089 R)
• M4: 2,093,323 km (0.09 R)
• M5: 2,581,610 km (0.119 R)
• M6: 3,869,648 km (0.115 R)
• M7: 4,435,128 km (0.115 R)
• M8: 6,629,430 km (0.095 R)
• M9: 7,099,616 km (0.059 R)
• M10: 7,846,708 km (0.098 R)
• M11: 9,179,026 km (0.089 R)
• M12: 9,854,161 km (0.078 R)
• M13: 10,752,347 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 11.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.82 AU - 4.14 AU

Year: 5127 Days

Day: 14.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,507,940 km

• M1: 145,858 km (0.077 R)
• M2: 1,317,658 km (0.093 R)
• M3: 1,784,852 km (0.115 R)
• M4: 3,587,058 km (0.114 R)
• M5: 4,124,712 km (0.072 R)
• M6: 5,334,660 km (0.103 R)
• M7: 7,240,537 km (0.094 R)
• M8: 7,991,219 km (0.105 R)
• M9: 13,105,372 km (0.115 R)
• M10: 17,816,957 km (0.085 R)
• M11: 18,918,446 km (0.089 R)
• M12: 21,471,932 km (0.043 R)
• M13: 23,551,193 km (0.094 R)
• M14: 28,889,593 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.9

Radius: 3.4

Gravity: 28.97 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.01 AU - 8.43 AU

Year: 13850 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 58.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 30,507,940 km

• M1: 42,785 km (0.093 R)
• M2: 230,680 km (0.12 R)
• M3: 358,736 km (0.11 R)
• M4: 576,251 km (0.087 R)
• M5: 748,588 km (0.077 R)
• M6: 1,082,341 km (0.097 R)
• M7: 1,479,673 km (0.075 R)
• M8: 2,455,350 km (0.056 R)
• M9: 2,931,221 km (0.063 R)
• M10: 3,272,902 km (0.089 R)
• M11: 3,392,581 km (0.116 R)
• M12: 3,540,084 km (0.063 R)
• M13: 4,145,207 km (0.071 R)
• M14: 5,161,725 km (0.103 R)
• M15: 6,151,315 km (0.049 R)
• M16: 6,825,253 km (0.08 R)
• M17: 7,260,583 km (0.115 R)
• M18: 8,230,276 km (0.062 R)
• M19: 9,188,152 km (0.071 R)
• M20: 9,916,394 km (0.109 R)
• M21: 10,371,172 km (0.058 R)
• M22: 11,268,160 km (0.098 R)
• M23: 14,458,634 km (0.081 R)
• M24: 15,042,963 km (0.106 R)
• M25: 15,778,387 km (0.102 R)
• M26: 18,352,667 km (0.079 R)
• M27: 21,693,486 km (0.098 R)
• M28: 25,699,119 km (0.112 R)
• M29: 26,077,452 km (0.091 R)
• M30: 27,924,836 km (0.058 R)
• M31: 33,760,799 km (0.086 R)
• M32: 35,951,659 km (0.085 R)
• M33: 36,782,077 km (0.117 R)
• M34: 42,428,350 km (0.059 R)
• M35: 43,622,889 km (0.119 R)
• M36: 44,976,301 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.5

Radius: 6.6

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.02 AU - 8.68 AU

Year: 14201 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,507,940 km

• M1: 83,476 km (0.081 R)
• M2: 904,768 km (0.046 R)
• M3: 1,240,166 km (0.101 R)
• M4: 1,656,048 km (0.103 R)
• M5: 2,161,091 km (0.068 R)
• M6: 3,754,907 km (0.118 R)
• M7: 5,505,501 km (0.057 R)
• M8: 8,618,184 km (0.097 R)
• M9: 9,670,904 km (0.064 R)
• M10: 12,029,015 km (0.057 R)
• M11: 15,408,132 km (0.073 R)
• M12: 17,354,251 km (0.077 R)
• M13: 18,260,215 km (0.096 R)
• M14: 25,503,445 km (0.059 R)
• M15: 29,579,837 km (0.049 R)
• M16: 31,832,781 km (0.118 R)
• M17: 39,134,055 km (0.106 R)
• M18: 40,688,377 km (0.095 R)
• M19: 50,061,282 km (0.037 R)
• M20: 59,475,326 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.9

Radius: 4.3

Gravity: 45.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.14 AU - 9.84 AU

Year: 14583 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,507,940 km

• M1: 115,490 km (0.055 R)
• M2: 294,109 km (0.112 R)
• M3: 457,321 km (0.1 R)
• M4: 1,158,935 km (0.08 R)
• M5: 1,423,873 km (0.092 R)
• M6: 1,814,921 km (0.116 R)
• M7: 2,464,775 km (0.066 R)
• M8: 4,053,055 km (0.101 R)
• M9: 5,255,972 km (0.1 R)
• M10: 6,894,816 km (0.107 R)
• M11: 9,975,036 km (0.084 R)
• M12: 10,429,365 km (0.102 R)
• M13: 13,110,757 km (0.04 R)
• M14: 14,863,446 km (0.114 R)
• M15: 15,530,952 km (0.074 R)
• M16: 16,687,493 km (0.09 R)
• M17: 17,652,998 km (0.027 R)
• M18: 23,044,654 km (0.093 R)
• M19: 26,539,261 km (0.08 R)
• M20: 34,299,650 km (0.056 R)
• M21: 35,987,862 km (0.084 R)
• M22: 38,278,056 km (0.054 R)
• M23: 42,111,950 km (0.109 R)
• M24: 44,652,720 km (0.078 R)
• M25: 49,709,128 km (0.058 R)
• M26: 57,445,882 km (0.112 R)
• M27: 57,988,473 km (0.119 R)
• M28: 60,007,147 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.9

Radius: 4.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.6 AU - 9.94 AU

Year: 15356 Days

Day: 19.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,507,940 km

• M1: 53,406 km (0.027 R)
• M2: 211,232 km (0.115 R)
• M3: 518,057 km (0.041 R)
• M4: 736,470 km (0.071 R)
• M5: 1,293,274 km (0.111 R)
• M6: 1,846,187 km (0.085 R)
• M7: 2,630,080 km (0.115 R)
• M8: 2,828,597 km (0.08 R)
• M9: 3,235,503 km (0.103 R)
• M10: 3,549,359 km (0.086 R)
• M11: 7,668,536 km (0.086 R)
• M12: 20,525,576 km (0.067 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: 210 - 18,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit