🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.48 AU - 0.58 AU

Year: 245 Days

Day: 38.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 10.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.07 AU - 1.57 AU

Year: 964 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,707,767 km

• M1: 129,552 km (0.119 R)
• M2: 455,376 km (0.083 R)
• M3: 1,170,903 km (0.077 R)
• M4: 1,500,317 km (0.098 R)
• M5: 1,934,151 km (0.117 R)
• M6: 2,421,541 km (0.095 R)
• M7: 3,330,198 km (0.102 R)
• M8: 4,132,641 km (0.043 R)
• M9: 4,772,172 km (0.114 R)
• M10: 5,273,325 km (0.08 R)
• M11: 5,755,778 km (0.068 R)
• M12: 6,267,552 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 9.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.88 AU - 1.88 AU

Year: 1639 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,707,767 km

• M1: 114,742 km (0.075 R)
• M2: 426,354 km (0.087 R)
• M3: 818,899 km (0.091 R)
• M4: 1,115,551 km (0.096 R)
• M5: 1,970,054 km (0.049 R)
• M6: 3,591,845 km (0.09 R)
• M7: 4,783,093 km (0.059 R)
• M8: 5,681,578 km (0.113 R)
• M9: 6,340,556 km (0.114 R)
• M10: 6,713,952 km (0.086 R)
• M11: 7,670,631 km (0.115 R)
• M12: 8,929,198 km (0.056 R)
• M13: 9,399,085 km (0.108 R)
• M14: 9,885,427 km (0.12 R)
• M15: 10,559,814 km (0.049 R)
• M16: 11,049,897 km (0.083 R)
• M17: 11,813,445 km (0.099 R)
• M18: 13,324,084 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.2

Radius: 8.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.79 AU - 2.13 AU

Year: 1745 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,707,767 km

• M1: 106,813 km (0.096 R)
• M2: 472,430 km (0.091 R)
• M3: 799,750 km (0.109 R)
• M4: 1,351,318 km (0.084 R)
• M5: 2,027,500 km (0.105 R)
• M6: 2,803,015 km (0.119 R)
• M7: 3,457,656 km (0.117 R)
• M8: 3,948,337 km (0.057 R)
• M9: 5,812,924 km (0.042 R)
• M10: 7,517,592 km (0.076 R)
• M11: 9,814,668 km (0.073 R)
• M12: 10,967,917 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 9.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.97 AU - 2.97 AU

Year: 2468 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,707,767 km

• M1: 123,568 km (0.12 R)
• M2: 584,928 km (0.103 R)
• M3: 925,113 km (0.094 R)
• M4: 1,681,480 km (0.118 R)
• M5: 2,413,762 km (0.046 R)
• M6: 2,837,572 km (0.054 R)
• M7: 4,089,258 km (0.079 R)
• M8: 8,073,199 km (0.112 R)
• M9: 9,406,864 km (0.111 R)
• M10: 11,037,331 km (0.108 R)
• M11: 12,935,129 km (0.12 R)
• M12: 15,234,299 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 9.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.49 AU - 6.25 AU

Year: 7912 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,707,767 km

• M1: 119,678 km (0.049 R)
• M2: 410,497 km (0.11 R)
• M3: 695,481 km (0.101 R)
• M4: 1,021,753 km (0.039 R)
• M5: 1,406,968 km (0.109 R)
• M6: 1,915,302 km (0.116 R)
• M7: 2,644,292 km (0.054 R)
• M8: 2,968,620 km (0.063 R)
• M9: 4,199,661 km (0.058 R)
• M10: 4,929,699 km (0.113 R)
• M11: 13,194,682 km (0.092 R)
• M12: 16,669,392 km (0.066 R)
• M13: 18,100,146 km (0.078 R)
• M14: 23,032,088 km (0.046 R)
• M15: 24,100,367 km (0.074 R)
• M16: 24,725,386 km (0.093 R)
• M17: 26,007,889 km (0.062 R)
• M18: 27,502,970 km (0.058 R)
• M19: 29,762,646 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.3

Radius: 8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.22 AU - 9.32 AU

Year: 13771 Days

Day: 20.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,707,767 km

• M1: 99,483 km (0.058 R)
• M2: 462,407 km (0.118 R)
• M3: 1,002,605 km (0.103 R)
• M4: 1,558,511 km (0.088 R)
• M5: 2,594,925 km (0.11 R)
• M6: 3,147,539 km (0.111 R)
• M7: 3,452,120 km (0.044 R)
• M8: 4,677,028 km (0.112 R)
• M9: 4,939,722 km (0.082 R)
• M10: 5,825,341 km (0.105 R)
• M11: 7,280,928 km (0.073 R)
• M12: 7,816,040 km (0.102 R)
• M13: 8,864,721 km (0.061 R)
• M14: 9,423,020 km (0.099 R)
• M15: 10,058,512 km (0.069 R)
• M16: 11,007,262 km (0.085 R)
• M17: 11,297,332 km (0.094 R)
• M18: 12,014,504 km (0.109 R)
• M19: 12,698,166 km (0.12 R)
• M20: 14,074,916 km (0.096 R)
• M21: 14,555,274 km (0.058 R)
• M22: 17,590,765 km (0.043 R)
• M23: 20,062,570 km (0.119 R)
• M24: 21,024,186 km (0.059 R)
• M25: 23,133,366 km (0.072 R)
• M26: 24,288,112 km (0.093 R)
• M27: 31,333,872 km (0.075 R)
• M28: 31,683,183 km (0.107 R)
• M29: 35,193,797 km (0.049 R)
• M30: 46,055,948 km (0.094 R)
• M31: 51,186,557 km (0.092 R)
• M32: 52,649,175 km (0.046 R)
• M33: 52,977,842 km (0.079 R)
• M34: 57,030,747 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.7

Radius: 5.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.62 AU - 9.22 AU

Year: 16939 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,707,767 km

• M1: 218,114 km (0.12 R)
• M2: 1,175,390 km (0.082 R)
• M3: 3,191,222 km (0.039 R)
• M4: 4,473,276 km (0.074 R)
• M5: 5,904,478 km (0.088 R)
• M6: 6,533,687 km (0.086 R)
• M7: 8,280,691 km (0.107 R)
• M8: 9,457,727 km (0.052 R)
• M9: 9,723,712 km (0.116 R)
• M10: 9,994,634 km (0.112 R)
• M11: 10,363,841 km (0.037 R)
• M12: 12,988,835 km (0.109 R)
• M13: 15,226,520 km (0.04 R)
• M14: 17,048,173 km (0.049 R)
• M15: 19,292,291 km (0.074 R)
• M16: 34,964,613 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 11,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit