🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.52 AU - 0.86 AU

Year: 206 Days

Day: 31.2 Hours

Environment

Temp: 153 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.16 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.28 AU - 1.96 AU

Year: 742 Days

Day: 27.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.92 AU - 4.42 AU

Year: 3065 Days

Day: 16.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 81.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.92 AU - 4.58 AU

Year: 3153 Days

Day: 43.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,084,553 km

• M1: 39,045 km (0.108 R)

Asteroid Belt

Center: 7.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.6

Radius: 14.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.57 AU - 10.23 AU

Year: 11210 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,084,553 km

• M1: 179,069 km (0.069 R)
• M2: 720,463 km (0.117 R)
• M3: 1,257,669 km (0.099 R)
• M4: 1,755,681 km (0.119 R)
• M5: 2,464,775 km (0.074 R)
• M6: 3,538,738 km (0.071 R)
• M7: 5,007,490 km (0.091 R)
• M8: 9,997,476 km (0.05 R)
• M9: 11,024,166 km (0.111 R)
• M10: 11,700,947 km (0.065 R)
• M11: 13,641,680 km (0.083 R)
• M12: 15,342,608 km (0.055 R)
• M13: 18,402,333 km (0.072 R)
• M14: 19,943,341 km (0.098 R)
• M15: 23,871,631 km (0.108 R)
• M16: 27,055,972 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439

Radius: 6.9

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.3 AU - 17.46 AU

Year: 21707 Days

Day: 23.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,084,553 km

• M1: 85,869 km (0.095 R)
• M2: 369,208 km (0.104 R)
• M3: 763,996 km (0.074 R)
• M4: 1,054,366 km (0.097 R)
• M5: 1,463,067 km (0.087 R)
• M6: 1,826,440 km (0.116 R)
• M7: 2,187,420 km (0.034 R)
• M8: 3,155,468 km (0.092 R)
• M9: 3,395,722 km (0.116 R)
• M10: 4,190,536 km (0.11 R)
• M11: 6,183,628 km (0.063 R)
• M12: 6,998,488 km (0.09 R)
• M13: 9,319,050 km (0.052 R)
• M14: 10,387,777 km (0.081 R)
• M15: 11,979,498 km (0.082 R)
• M16: 14,661,938 km (0.052 R)
• M17: 16,181,702 km (0.104 R)
• M18: 20,343,665 km (0.069 R)
• M19: 21,178,720 km (0.109 R)
• M20: 25,913,642 km (0.066 R)
• M21: 28,929,535 km (0.058 R)
• M22: 36,318,025 km (0.061 R)
• M23: 38,239,161 km (0.102 R)
• M24: 40,661,599 km (0.077 R)
• M25: 42,133,343 km (0.112 R)
• M26: 43,033,323 km (0.116 R)
• M27: 44,716,300 km (0.071 R)
• M28: 48,867,940 km (0.077 R)
• M29: 57,011,599 km (0.095 R)
• M30: 61,116,265 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.7

Radius: 7.1

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 13.35 AU - 20.27 AU

Year: 24804 Days

Day: 16.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,084,553 km

• M1: 88,263 km (0.095 R)
• M2: 354,846 km (0.087 R)
• M3: 611,107 km (0.095 R)
• M4: 885,021 km (0.106 R)
• M5: 1,842,747 km (0.094 R)
• M6: 3,798,589 km (0.088 R)
• M7: 4,235,265 km (0.1 R)
• M8: 5,249,090 km (0.03 R)
• M9: 6,509,003 km (0.09 R)
• M10: 8,449,288 km (0.038 R)
• M11: 9,611,663 km (0.118 R)
• M12: 10,943,084 km (0.058 R)
• M13: 12,036,944 km (0.117 R)
• M14: 22,233,684 km (0.075 R)
• M15: 22,987,358 km (0.085 R)
• M16: 30,950,453 km (0.096 R)
• M17: 36,872,584 km (0.117 R)
• M18: 43,340,897 km (0.036 R)
• M19: 48,525,959 km (0.11 R)
• M20: 48,885,742 km (0.034 R)
• M21: 53,724,784 km (0.043 R)
• M22: 56,260,019 km (0.079 R)
• M23: 59,282,943 km (0.108 R)
• M24: 59,694,038 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.8

Radius: 5.7

Gravity: 27.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 16.14 AU - 19.26 AU

Year: 26800 Days

Day: 20.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,084,553 km

• M1: 71,358 km (0.031 R)
• M2: 678,576 km (0.119 R)
• M3: 901,776 km (0.093 R)
• M4: 1,297,313 km (0.05 R)
• M5: 1,627,026 km (0.116 R)
• M6: 2,987,469 km (0.089 R)
• M7: 3,499,244 km (0.097 R)
• M8: 4,852,506 km (0.094 R)
• M9: 5,429,056 km (0.05 R)
• M10: 7,432,621 km (0.071 R)
• M11: 8,893,593 km (0.114 R)
• M12: 9,503,205 km (0.102 R)
• M13: 12,595,243 km (0.053 R)
• M14: 15,162,492 km (0.092 R)
• M15: 16,120,068 km (0.091 R)
• M16: 21,734,626 km (0.045 R)
• M17: 26,867,927 km (0.083 R)
• M18: 27,752,649 km (0.026 R)
• M19: 29,314,301 km (0.09 R)
• M20: 31,486,313 km (0.099 R)
• M21: 34,644,772 km (0.089 R)
• M22: 38,483,005 km (0.079 R)
• M23: 41,082,567 km (0.073 R)
• M24: 47,721,272 km (0.093 R)
• M25: 51,486,351 km (0.111 R)
• M26: 52,849,637 km (0.082 R)
• M27: 61,537,832 km (0.056 R)
• M28: 64,184,368 km (0.084 R)
• M29: 81,148,767 km (0.027 R)
• M30: 83,525,578 km (0.05 R)
• M31: 87,039,931 km (0.03 R)
• M32: 88,694,633 km (0.108 R)
• M33: 91,782,632 km (0.11 R)
• M34: 92,066,868 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.4

Radius: 3.4

Gravity: 26.59 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 14.66 AU - 23.88 AU

Year: 30443 Days

Day: 15.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,084,553 km

• M1: 42,785 km (0.114 R)
• M2: 172,038 km (0.095 R)
• M3: 394,639 km (0.116 R)
• M4: 2,543,164 km (0.117 R)
• M5: 2,686,927 km (0.114 R)
• M6: 2,810,944 km (0.11 R)
• M7: 4,008,325 km (0.119 R)
• M8: 9,905,473 km (0.102 R)
• M9: 10,082,747 km (0.11 R)
• M10: 16,934,329 km (0.074 R)
• M11: 20,238,498 km (0.078 R)
• M12: 24,805,122 km (0.042 R)
• M13: 31,770,698 km (0.106 R)
• M14: 34,264,046 km (0.079 R)
• M15: 35,904,237 km (0.059 R)
• M16: 49,216,652 km (0.053 R)
• M17: 51,301,448 km (0.088 R)
• M18: 62,814,800 km (0.094 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 17,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit