🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.58 AU - 0.6 AU

Year: 160 Days

Day: 41.6 Hours

Environment

Temp: 240 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,483,836 km

• M1: 70,610 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.18 AU - 2.76 AU

Year: 1371 Days

Day: 33.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.29 AU - 3.01 AU

Year: 1523 Days

Day: 27.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 174.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,483,836 km

• M1: 252,372 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 11.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.58 AU - 6.88 AU

Year: 4843 Days

Day: 11.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,483,836 km

• M1: 148,850 km (0.102 R)
• M2: 935,884 km (0.041 R)
• M3: 1,670,260 km (0.055 R)
• M4: 2,343,301 km (0.086 R)
• M5: 3,723,940 km (0.115 R)
• M6: 4,294,955 km (0.115 R)
• M7: 7,064,161 km (0.06 R)
• M8: 8,239,252 km (0.119 R)
• M9: 10,612,922 km (0.112 R)
• M10: 11,978,152 km (0.108 R)
• M11: 12,951,136 km (0.109 R)
• M12: 13,691,496 km (0.117 R)
• M13: 14,459,681 km (0.058 R)
• M14: 15,614,128 km (0.033 R)
• M15: 16,346,410 km (0.086 R)
• M16: 17,598,843 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.7

Radius: 6.8

Gravity: 17.86 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 18.2 AU - 19.1 AU

Year: 28439 Days

Day: 22.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,483,836 km

• M1: 121,174 km (0.112 R)
• M2: 353,500 km (0.043 R)
• M3: 786,286 km (0.114 R)
• M4: 1,174,044 km (0.114 R)
• M5: 1,412,353 km (0.094 R)
• M6: 2,143,438 km (0.098 R)
• M7: 2,631,875 km (0.064 R)
• M8: 3,132,579 km (0.115 R)
• M9: 3,930,983 km (0.119 R)
• M10: 5,832,671 km (0.112 R)
• M11: 7,883,359 km (0.117 R)
• M12: 8,219,206 km (0.11 R)
• M13: 8,448,241 km (0.115 R)
• M14: 9,222,559 km (0.08 R)
• M15: 9,532,676 km (0.053 R)
• M16: 10,639,251 km (0.12 R)
• M17: 14,805,103 km (0.061 R)
• M18: 17,575,356 km (0.072 R)
• M19: 21,963,810 km (0.094 R)
• M20: 23,767,511 km (0.088 R)
• M21: 25,667,554 km (0.119 R)
• M22: 39,885,934 km (0.113 R)
• M23: 41,041,877 km (0.084 R)
• M24: 46,612,004 km (0.095 R)
• M25: 47,709,603 km (0.079 R)
• M26: 53,855,832 km (0.049 R)
• M27: 54,861,429 km (0.096 R)
• M28: 55,674,942 km (0.094 R)
• M29: 63,808,578 km (0.047 R)
• M30: 64,032,676 km (0.071 R)
• M31: 65,844,605 km (0.096 R)
• M32: 71,968,992 km (0.116 R)
• M33: 78,462,288 km (0.099 R)
• M34: 86,701,540 km (0.076 R)
• M35: 89,197,282 km (0.102 R)
• M36: 94,914,015 km (0.111 R)
• M37: 99,358,567 km (0.112 R)
• M38: 100,263,784 km (0.109 R)
• M39: 100,566,720 km (0.096 R)
• M40: 101,174,386 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.2

Radius: 7.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 16.22 AU - 21.36 AU

Year: 28760 Days

Day: 17 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,483,836 km

• M1: 94,546 km (0.104 R)
• M2: 340,634 km (0.108 R)
• M3: 701,016 km (0.063 R)
• M4: 1,097,899 km (0.07 R)
• M5: 1,654,702 km (0.105 R)
• M6: 2,282,415 km (0.097 R)
• M7: 2,814,235 km (0.065 R)
• M8: 3,453,317 km (0.087 R)
• M9: 5,914,501 km (0.065 R)
• M10: 6,318,416 km (0.075 R)
• M11: 6,914,862 km (0.059 R)
• M12: 7,317,729 km (0.119 R)
• M13: 8,671,889 km (0.117 R)
• M14: 11,246,918 km (0.119 R)
• M15: 11,492,408 km (0.068 R)
• M16: 11,804,319 km (0.095 R)
• M17: 12,642,067 km (0.089 R)
• M18: 14,077,908 km (0.058 R)
• M19: 17,027,678 km (0.081 R)
• M20: 18,095,957 km (0.096 R)
• M21: 19,825,757 km (0.098 R)
• M22: 26,747,052 km (0.08 R)
• M23: 30,032,521 km (0.119 R)
• M24: 30,744,457 km (0.09 R)
• M25: 36,849,396 km (0.069 R)
• M26: 37,665,153 km (0.109 R)
• M27: 40,903,947 km (0.12 R)
• M28: 42,516,612 km (0.069 R)
• M29: 42,963,611 km (0.079 R)
• M30: 44,476,494 km (0.105 R)
• M31: 44,783,319 km (0.117 R)
• M32: 45,246,175 km (0.075 R)
• M33: 45,712,173 km (0.05 R)
• M34: 57,516,043 km (0.113 R)
• M35: 59,910,806 km (0.035 R)
• M36: 63,529,429 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.9

Radius: 3.4

Gravity: 35.63 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 20.39 AU - 20.71 AU

Year: 32894 Days

Day: 17.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,483,836 km

• M1: 43,982 km (0.099 R)
• M2: 293,062 km (0.062 R)
• M3: 458,817 km (0.116 R)
• M4: 572,661 km (0.057 R)
• M5: 726,148 km (0.096 R)
• M6: 1,263,354 km (0.061 R)
• M7: 1,650,813 km (0.115 R)
• M8: 5,852,867 km (0.039 R)
• M9: 6,116,907 km (0.098 R)
• M10: 6,859,960 km (0.1 R)
• M11: 9,269,234 km (0.107 R)
• M12: 11,906,794 km (0.076 R)
• M13: 12,188,187 km (0.119 R)
• M14: 20,745,784 km (0.1 R)
• M15: 22,300,555 km (0.091 R)
• M16: 26,702,771 km (0.109 R)
• M17: 26,822,749 km (0.073 R)
• M18: 30,197,826 km (0.084 R)
• M19: 37,174,921 km (0.026 R)
• M20: 38,995,827 km (0.115 R)
• M21: 41,514,905 km (0.104 R)
• M22: 43,143,278 km (0.094 R)
• M23: 48,997,491 km (0.094 R)
• M24: 52,300,912 km (0.056 R)
• M25: 54,583,775 km (0.09 R)
• M26: 67,442,909 km (0.115 R)
• M27: 70,601,668 km (0.084 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 13,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit