🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 10.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,403,624 km

• M1: 131,197 km (0.056 R)
• M2: 625,917 km (0.05 R)
• M3: 1,276,668 km (0.087 R)
• M4: 2,180,539 km (0.073 R)
• M5: 2,594,775 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 8.7

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.52 AU - 2.34 AU

Year: 1851 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,403,624 km

• M1: 108,309 km (0.096 R)
• M2: 391,049 km (0.102 R)
• M3: 714,031 km (0.085 R)
• M4: 1,393,205 km (0.033 R)
• M5: 1,727,855 km (0.056 R)
• M6: 2,152,863 km (0.078 R)
• M7: 2,617,963 km (0.12 R)
• M8: 3,517,944 km (0.073 R)
• M9: 4,343,724 km (0.068 R)
• M10: 4,674,036 km (0.11 R)
• M11: 5,065,833 km (0.063 R)
• M12: 5,791,981 km (0.035 R)
• M13: 7,596,580 km (0.034 R)
• M14: 8,016,351 km (0.114 R)
• M15: 9,001,154 km (0.111 R)
• M16: 9,852,516 km (0.105 R)
• M17: 10,645,085 km (0.092 R)
• M18: 10,943,683 km (0.085 R)
• M19: 11,872,985 km (0.068 R)
• M20: 13,755,973 km (0.069 R)
• M21: 14,110,520 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.5

Radius: 14.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.28 AU - 2.46 AU

Year: 2518 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,403,624 km

• M1: 177,872 km (0.119 R)
• M2: 633,846 km (0.097 R)
• M3: 1,124,078 km (0.064 R)
• M4: 1,879,099 km (0.084 R)
• M5: 2,833,982 km (0.116 R)
• M6: 3,483,237 km (0.112 R)
• M7: 4,685,705 km (0.099 R)
• M8: 6,358,657 km (0.064 R)
• M9: 6,819,269 km (0.11 R)
• M10: 7,717,156 km (0.063 R)
• M11: 8,562,234 km (0.081 R)
• M12: 13,041,344 km (0.119 R)
• M13: 14,332,673 km (0.082 R)
• M14: 16,151,933 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 12

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.67 AU - 2.75 AU

Year: 3079 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,403,624 km

• M1: 149,299 km (0.038 R)
• M2: 912,996 km (0.091 R)
• M3: 1,381,387 km (0.098 R)
• M4: 1,972,149 km (0.119 R)
• M5: 4,351,652 km (0.114 R)
• M6: 4,855,498 km (0.07 R)
• M7: 9,029,129 km (0.112 R)
• M8: 9,434,240 km (0.089 R)
• M9: 11,432,120 km (0.054 R)
• M10: 12,127,151 km (0.069 R)
• M11: 15,192,412 km (0.1 R)
• M12: 17,126,712 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 9.7

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.85 AU - 3.03 AU

Year: 3480 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,403,624 km

• M1: 120,875 km (0.108 R)
• M2: 441,912 km (0.075 R)
• M3: 834,906 km (0.094 R)
• M4: 1,409,810 km (0.078 R)
• M5: 1,944,772 km (0.055 R)
• M6: 2,260,274 km (0.102 R)
• M7: 4,299,592 km (0.1 R)
• M8: 4,816,603 km (0.116 R)
• M9: 5,834,616 km (0.112 R)
• M10: 6,958,695 km (0.06 R)
• M11: 7,439,951 km (0.093 R)
• M12: 7,807,064 km (0.119 R)
• M13: 8,649,898 km (0.111 R)
• M14: 9,397,738 km (0.069 R)
• M15: 9,827,084 km (0.094 R)
• M16: 10,147,373 km (0.087 R)
• M17: 12,730,779 km (0.119 R)
• M18: 13,160,125 km (0.105 R)
• M19: 13,797,262 km (0.079 R)
• M20: 14,817,519 km (0.035 R)
• M21: 15,507,016 km (0.113 R)
• M22: 15,887,144 km (0.032 R)
• M23: 16,609,702 km (0.051 R)
• M24: 18,179,881 km (0.041 R)
• M25: 19,031,991 km (0.096 R)
• M26: 20,881,469 km (0.113 R)
• M27: 23,128,429 km (0.106 R)

Asteroid Belt

Center: 4.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.3

Radius: 7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.92 AU - 8.16 AU

Year: 11545 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,403,624 km

• M1: 89,609 km (0.119 R)
• M2: 337,792 km (0.105 R)
• M3: 953,088 km (0.082 R)
• M4: 1,228,199 km (0.117 R)
• M5: 2,435,304 km (0.086 R)
• M6: 5,201,219 km (0.112 R)
• M7: 7,545,268 km (0.069 R)
• M8: 14,973,849 km (0.056 R)
• M9: 22,469,750 km (0.068 R)
• M10: 24,578,033 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758

Radius: 4.3

Gravity: 41 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.67 AU - 8.53 AU

Year: 14462 Days

Day: 17.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,403,624 km

• M1: 53,556 km (0.071 R)
• M2: 293,960 km (0.1 R)
• M3: 875,596 km (0.112 R)
• M4: 1,179,878 km (0.114 R)
• M5: 1,399,937 km (0.095 R)
• M6: 1,679,834 km (0.104 R)
• M7: 2,052,483 km (0.106 R)
• M8: 3,009,161 km (0.084 R)
• M9: 3,928,141 km (0.117 R)
• M10: 4,293,010 km (0.073 R)
• M11: 5,160,827 km (0.061 R)
• M12: 5,340,195 km (0.118 R)
• M13: 6,757,485 km (0.116 R)
• M14: 8,506,434 km (0.065 R)
• M15: 9,064,135 km (0.111 R)
• M16: 9,538,360 km (0.1 R)
• M17: 15,894,026 km (0.098 R)
• M18: 16,738,356 km (0.096 R)
• M19: 19,363,948 km (0.104 R)
• M20: 19,623,351 km (0.109 R)
• M21: 19,972,812 km (0.04 R)
• M22: 22,536,171 km (0.1 R)
• M23: 24,495,754 km (0.077 R)
• M24: 25,002,891 km (0.104 R)
• M25: 26,886,328 km (0.076 R)
• M26: 29,770,874 km (0.086 R)
• M27: 36,670,477 km (0.106 R)
• M28: 41,626,056 km (0.051 R)
• M29: 45,318,281 km (0.034 R)
• M30: 46,699,070 km (0.111 R)
• M31: 48,902,497 km (0.054 R)
• M32: 54,884,467 km (0.096 R)
• M33: 59,678,181 km (0.058 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 20,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit