🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.48 AU - 0.72 AU

Year: 300 Days

Day: 23.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,113,137 km

• M1: 37,848 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 10.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.91 AU - 1.05 AU

Year: 626 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,113,137 km

• M1: 132,693 km (0.084 R)
• M2: 480,957 km (0.109 R)
• M3: 817,253 km (0.109 R)
• M4: 1,148,912 km (0.073 R)
• M5: 1,522,607 km (0.034 R)
• M6: 2,128,479 km (0.06 R)
• M7: 3,107,896 km (0.117 R)
• M8: 3,567,311 km (0.114 R)
• M9: 4,015,057 km (0.071 R)
• M10: 4,576,947 km (0.07 R)
• M11: 5,482,463 km (0.046 R)
• M12: 6,463,974 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 13.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.12 AU - 1.3 AU

Year: 859 Days

Day: 5.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,113,137 km

• M1: 162,912 km (0.097 R)
• M2: 570,267 km (0.119 R)
• M3: 1,211,892 km (0.097 R)
• M4: 1,963,771 km (0.108 R)
• M5: 2,609,436 km (0.089 R)
• M6: 3,779,441 km (0.117 R)
• M7: 4,767,086 km (0.086 R)
• M8: 5,590,173 km (0.097 R)
• M9: 7,668,985 km (0.113 R)
• M10: 8,129,447 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 10

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.34 AU - 2.76 AU

Year: 2629 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,113,137 km

• M1: 127,457 km (0.115 R)
• M2: 699,968 km (0.055 R)
• M3: 1,191,397 km (0.084 R)
• M4: 1,694,794 km (0.086 R)
• M5: 2,689,770 km (0.082 R)
• M6: 3,620,119 km (0.115 R)
• M7: 4,265,185 km (0.076 R)
• M8: 4,683,311 km (0.065 R)
• M9: 5,399,436 km (0.111 R)
• M10: 6,723,975 km (0.068 R)
• M11: 7,322,666 km (0.055 R)
• M12: 7,859,124 km (0.11 R)
• M13: 9,889,167 km (0.08 R)
• M14: 11,986,679 km (0.108 R)
• M15: 12,732,424 km (0.038 R)
• M16: 13,980,071 km (0.066 R)
• M17: 15,716,304 km (0.074 R)
• M18: 17,205,251 km (0.084 R)
• M19: 20,958,362 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.3

Radius: 6.5

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.68 AU - 7.36 AU

Year: 9537 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,113,137 km

• M1: 80,932 km (0.101 R)
• M2: 320,139 km (0.116 R)
• M3: 539,001 km (0.108 R)
• M4: 915,389 km (0.114 R)
• M5: 1,174,194 km (0.12 R)
• M6: 1,682,527 km (0.1 R)
• M7: 2,026,902 km (0.103 R)
• M8: 2,417,352 km (0.11 R)
• M9: 3,214,709 km (0.086 R)
• M10: 3,944,447 km (0.077 R)
• M11: 4,525,635 km (0.057 R)
• M12: 5,012,725 km (0.103 R)
• M13: 5,534,224 km (0.075 R)
• M14: 6,648,877 km (0.112 R)
• M15: 7,164,242 km (0.085 R)
• M16: 7,865,557 km (0.069 R)
• M17: 8,358,033 km (0.082 R)
• M18: 9,586,680 km (0.114 R)
• M19: 10,244,163 km (0.1 R)
• M20: 11,965,735 km (0.089 R)
• M21: 12,783,288 km (0.107 R)
• M22: 13,007,385 km (0.119 R)
• M23: 13,521,254 km (0.093 R)
• M24: 19,062,658 km (0.11 R)
• M25: 20,556,543 km (0.096 R)
• M26: 21,966,503 km (0.089 R)
• M27: 22,288,288 km (0.117 R)
• M28: 24,543,625 km (0.091 R)
• M29: 26,128,914 km (0.064 R)
• M30: 30,588,127 km (0.088 R)
• M31: 36,419,901 km (0.119 R)
• M32: 39,655,104 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637

Radius: 6.3

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.18 AU - 9.38 AU

Year: 16798 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,113,137 km

• M1: 86,617 km (0.086 R)
• M2: 310,266 km (0.098 R)
• M3: 681,269 km (0.052 R)
• M4: 2,650,874 km (0.074 R)
• M5: 3,057,780 km (0.096 R)
• M6: 3,905,701 km (0.095 R)
• M7: 7,565,314 km (0.087 R)
• M8: 8,837,943 km (0.086 R)
• M9: 12,436,669 km (0.117 R)
• M10: 18,976,939 km (0.111 R)
• M11: 22,246,400 km (0.102 R)
• M12: 24,828,609 km (0.082 R)
• M13: 29,874,396 km (0.118 R)
• M14: 30,343,086 km (0.114 R)
• M15: 30,579,151 km (0.079 R)
• M16: 35,171,955 km (0.086 R)
• M17: 41,351,843 km (0.059 R)
• M18: 47,737,877 km (0.085 R)
• M19: 52,172,407 km (0.098 R)
• M20: 57,593,535 km (0.083 R)
• M21: 61,660,802 km (0.037 R)
• M22: 62,229,722 km (0.082 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 10,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit