🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.55 AU - 0.91 AU

Year: 231 Days

Day: 25.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 47.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.92 AU - 1.4 AU

Year: 463 Days

Day: 42.1 Hours

Environment

Temp: -1 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.06 AU - 1.44 AU

Year: 518 Days

Day: 18.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 26.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 115,752,922 km

• M1: 48,320 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.2 AU - 1.38 AU

Year: 543 Days

Day: 37.3 Hours

Environment

Temp: -21 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.78 AU - 1.94 AU

Year: 941 Days

Day: 22.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,752,922 km

• M1: 115,340 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.6 AU - 4.08 AU

Year: 2791 Days

Day: 38.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 10.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.9 AU - 6.52 AU

Year: 5060 Days

Day: 11.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 115,752,922 km

• M1: 128,205 km (0.097 R)
• M2: 556,504 km (0.119 R)
• M3: 889,659 km (0.073 R)
• M4: 1,516,025 km (0.051 R)
• M5: 2,053,979 km (0.109 R)
• M6: 3,270,957 km (0.083 R)
• M7: 5,181,921 km (0.089 R)
• M8: 6,098,656 km (0.071 R)
• M9: 7,221,538 km (0.104 R)
• M10: 10,168,915 km (0.042 R)
• M11: 12,910,895 km (0.089 R)
• M12: 15,196,152 km (0.068 R)
• M13: 17,123,720 km (0.084 R)
• M14: 19,739,140 km (0.096 R)
• M15: 21,037,051 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 14.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.35 AU - 10.41 AU

Year: 9813 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 115,752,922 km

• M1: 175,329 km (0.048 R)
• M2: 665,860 km (0.088 R)
• M3: 1,138,739 km (0.072 R)
• M4: 1,648,569 km (0.039 R)
• M5: 2,096,016 km (0.055 R)
• M6: 3,719,751 km (0.077 R)
• M7: 4,534,760 km (0.118 R)
• M8: 6,180,038 km (0.118 R)
• M9: 6,755,840 km (0.103 R)
• M10: 7,451,620 km (0.055 R)
• M11: 11,787,415 km (0.083 R)
• M12: 13,735,927 km (0.12 R)
• M13: 14,990,006 km (0.065 R)
• M14: 16,463,395 km (0.111 R)
• M15: 17,801,548 km (0.056 R)
• M16: 18,340,998 km (0.081 R)
• M17: 25,599,337 km (0.097 R)
• M18: 26,886,777 km (0.068 R)
• M19: 27,393,315 km (0.097 R)
• M20: 29,269,721 km (0.104 R)
• M21: 30,457,977 km (0.089 R)
• M22: 31,903,242 km (0.093 R)
• M23: 35,050,482 km (0.069 R)
• M24: 37,637,328 km (0.104 R)
• M25: 39,561,456 km (0.086 R)
• M26: 47,768,096 km (0.116 R)
• M27: 51,407,962 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.9

Radius: 3.5

Gravity: 67.01 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 15.5 AU - 20.58 AU

Year: 28416 Days

Day: 20.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 115,752,922 km

• M1: 43,683 km (0.09 R)
• M2: 219,909 km (0.03 R)
• M3: 536,308 km (0.096 R)
• M4: 732,880 km (0.118 R)
• M5: 1,002,605 km (0.105 R)
• M6: 1,145,620 km (0.039 R)
• M7: 1,472,641 km (0.115 R)
• M8: 2,855,674 km (0.094 R)
• M9: 3,326,757 km (0.061 R)
• M10: 3,548,461 km (0.095 R)
• M11: 4,807,028 km (0.106 R)
• M12: 6,335,919 km (0.077 R)
• M13: 7,716,408 km (0.104 R)
• M14: 9,534,620 km (0.071 R)
• M15: 13,587,077 km (0.11 R)
• M16: 15,072,285 km (0.083 R)
• M17: 18,166,567 km (0.077 R)
• M18: 18,951,507 km (0.098 R)
• M19: 21,334,003 km (0.071 R)
• M20: 26,433,495 km (0.082 R)
• M21: 28,342,065 km (0.079 R)
• M22: 36,585,805 km (0.072 R)
• M23: 37,206,935 km (0.115 R)
• M24: 38,790,429 km (0.025 R)
• M25: 44,333,778 km (0.111 R)
• M26: 45,395,324 km (0.087 R)
• M27: 46,112,347 km (0.052 R)
• M28: 47,202,018 km (0.072 R)
• M29: 47,937,890 km (0.068 R)
• M30: 49,244,029 km (0.117 R)
• M31: 57,165,386 km (0.067 R)
• M32: 58,001,338 km (0.082 R)
• M33: 63,858,095 km (0.107 R)
• M34: 75,721,057 km (0.116 R)
• M35: 79,806,275 km (0.09 R)
• M36: 86,479,537 km (0.103 R)
• M37: 95,258,389 km (0.109 R)
• M38: 95,551,002 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991

Radius: 5.3

Gravity: 35.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 14.48 AU - 23.92 AU

Year: 31200 Days

Day: 22.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 115,752,922 km

• M1: 65,973 km (0.094 R)
• M2: 320,139 km (0.08 R)
• M3: 566,976 km (0.107 R)
• M4: 822,339 km (0.104 R)
• M5: 1,645,277 km (0.09 R)
• M6: 2,916,710 km (0.09 R)
• M7: 4,000,696 km (0.106 R)
• M8: 5,418,584 km (0.082 R)
• M9: 6,875,668 km (0.05 R)
• M10: 8,636,883 km (0.03 R)
• M11: 10,123,587 km (0.041 R)
• M12: 10,537,824 km (0.057 R)
• M13: 16,426,445 km (0.098 R)
• M14: 17,682,020 km (0.101 R)
• M15: 19,630,083 km (0.085 R)
• M16: 21,042,436 km (0.096 R)
• M17: 21,716,674 km (0.07 R)
• M18: 23,465,024 km (0.036 R)
• M19: 25,684,309 km (0.07 R)
• M20: 27,107,134 km (0.095 R)
• M21: 31,983,277 km (0.103 R)
• M22: 34,860,343 km (0.115 R)
• M23: 36,281,373 km (0.09 R)
• M24: 39,576,715 km (0.101 R)
• M25: 44,151,717 km (0.073 R)
• M26: 49,853,939 km (0.078 R)
• M27: 57,104,050 km (0.086 R)
• M28: 72,627,373 km (0.113 R)
• M29: 81,896,906 km (0.066 R)
• M30: 83,282,182 km (0.095 R)
• M31: 83,561,182 km (0.052 R)
• M32: 85,247,898 km (0.094 R)
• M33: 86,670,723 km (0.064 R)
• M34: 99,566,658 km (0.067 R)
• M35: 106,304,696 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 14,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit