🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 14

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.5 AU - 0.7 AU

Year: 310 Days

Day: 7 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,337,598 km

• M1: 174,132 km (0.052 R)
• M2: 986,149 km (0.117 R)
• M3: 1,457,532 km (0.079 R)
• M4: 1,909,318 km (0.099 R)
• M5: 2,421,242 km (0.078 R)
• M6: 2,934,512 km (0.108 R)
• M7: 3,419,359 km (0.086 R)
• M8: 4,235,265 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 14.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.11 AU - 1.75 AU

Year: 1140 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,337,598 km

• M1: 175,628 km (0.105 R)
• M2: 782,247 km (0.118 R)
• M3: 1,471,744 km (0.076 R)
• M4: 1,928,616 km (0.078 R)
• M5: 2,437,548 km (0.098 R)
• M6: 3,127,792 km (0.086 R)
• M7: 3,687,887 km (0.063 R)
• M8: 4,298,246 km (0.092 R)
• M9: 4,777,408 km (0.043 R)
• M10: 5,235,477 km (0.075 R)
• M11: 7,041,572 km (0.094 R)
• M12: 8,422,510 km (0.102 R)
• M13: 9,458,026 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 9.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.41 AU - 2.15 AU

Year: 1584 Days

Day: 14.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 58.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,337,598 km

• M1: 123,269 km (0.083 R)
• M2: 449,990 km (0.034 R)
• M3: 1,081,593 km (0.098 R)
• M4: 1,557,463 km (0.1 R)
• M5: 1,897,499 km (0.102 R)
• M6: 2,432,611 km (0.081 R)
• M7: 3,133,327 km (0.078 R)
• M8: 3,576,137 km (0.116 R)
• M9: 4,060,086 km (0.067 R)
• M10: 4,840,090 km (0.104 R)
• M11: 5,513,430 km (0.117 R)
• M12: 6,718,889 km (0.059 R)
• M13: 7,556,787 km (0.087 R)
• M14: 8,092,048 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 10.9

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.63 AU - 2.19 AU

Year: 1760 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,337,598 km

• M1: 159,322 km (0.049 R)
• M2: 562,338 km (0.041 R)
• M3: 1,000,959 km (0.075 R)
• M4: 1,423,573 km (0.034 R)
• M5: 2,010,446 km (0.05 R)
• M6: 2,399,699 km (0.036 R)
• M7: 3,188,529 km (0.055 R)
• M8: 3,583,467 km (0.081 R)
• M9: 3,992,468 km (0.036 R)
• M10: 4,412,838 km (0.062 R)
• M11: 6,297,921 km (0.034 R)
• M12: 7,058,776 km (0.119 R)
• M13: 7,791,805 km (0.113 R)
• M14: 8,389,748 km (0.039 R)
• M15: 8,826,274 km (0.092 R)
• M16: 10,053,426 km (0.1 R)
• M17: 10,546,351 km (0.074 R)
• M18: 11,129,334 km (0.062 R)
• M19: 13,340,390 km (0.095 R)
• M20: 13,806,986 km (0.099 R)
• M21: 14,772,640 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 13.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.81 AU - 2.23 AU

Year: 1915 Days

Day: 6.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,337,598 km

• M1: 276,906 km (0.111 R)
• M2: 718,369 km (0.114 R)
• M3: 1,301,053 km (0.111 R)
• M4: 1,723,667 km (0.078 R)
• M5: 3,074,984 km (0.076 R)
• M6: 6,018,322 km (0.078 R)
• M7: 6,601,604 km (0.05 R)
• M8: 7,547,512 km (0.072 R)
• M9: 8,110,897 km (0.062 R)
• M10: 9,195,781 km (0.058 R)
• M11: 11,288,207 km (0.071 R)
• M12: 12,407,199 km (0.084 R)
• M13: 13,558,055 km (0.078 R)
• M14: 14,180,532 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.9

Radius: 11.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.74 AU - 2.54 AU

Year: 2088 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,337,598 km

• M1: 142,417 km (0.117 R)
• M2: 515,514 km (0.116 R)
• M3: 884,572 km (0.051 R)
• M4: 1,955,394 km (0.075 R)
• M5: 2,654,016 km (0.11 R)
• M6: 3,039,081 km (0.047 R)
• M7: 4,076,692 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 8.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.87 AU - 3.03 AU

Year: 2557 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,337,598 km

• M1: 103,223 km (0.114 R)
• M2: 452,384 km (0.047 R)
• M3: 997,219 km (0.054 R)
• M4: 1,770,640 km (0.117 R)
• M5: 2,328,790 km (0.117 R)
• M6: 3,420,705 km (0.085 R)
• M7: 3,970,776 km (0.117 R)
• M8: 4,343,574 km (0.105 R)
• M9: 4,842,333 km (0.119 R)
• M10: 6,146,827 km (0.119 R)
• M11: 8,250,622 km (0.057 R)
• M12: 8,642,867 km (0.055 R)
• M13: 9,432,146 km (0.084 R)
• M14: 9,694,690 km (0.063 R)
• M15: 11,263,224 km (0.08 R)
• M16: 11,859,521 km (0.074 R)
• M17: 12,674,081 km (0.032 R)
• M18: 13,733,533 km (0.071 R)
• M19: 14,719,084 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 10.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.17 AU - 3.71 AU

Year: 4255 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,337,598 km

• M1: 128,205 km (0.103 R)
• M2: 833,859 km (0.068 R)
• M3: 1,435,242 km (0.076 R)
• M4: 1,809,386 km (0.105 R)
• M5: 2,426,029 km (0.032 R)
• M6: 3,440,751 km (0.097 R)
• M7: 5,530,184 km (0.104 R)
• M8: 8,567,320 km (0.071 R)
• M9: 10,255,682 km (0.094 R)
• M10: 11,092,233 km (0.089 R)
• M11: 15,056,577 km (0.05 R)
• M12: 18,390,066 km (0.067 R)
• M13: 19,813,340 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 14.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.77 AU - 5.07 AU

Year: 6197 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 58.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,337,598 km

• M1: 177,872 km (0.098 R)
• M2: 763,398 km (0.104 R)
• M3: 1,921,734 km (0.082 R)
• M4: 3,766,725 km (0.068 R)
• M5: 5,380,437 km (0.09 R)
• M6: 6,392,915 km (0.045 R)
• M7: 8,106,110 km (0.088 R)
• M8: 10,763,716 km (0.086 R)
• M9: 12,474,667 km (0.098 R)
• M10: 13,010,826 km (0.105 R)
• M11: 14,244,560 km (0.11 R)
• M12: 14,712,203 km (0.117 R)
• M13: 15,190,018 km (0.109 R)
• M14: 16,113,785 km (0.05 R)
• M15: 16,750,324 km (0.114 R)
• M16: 17,271,673 km (0.05 R)
• M17: 18,761,219 km (0.077 R)
• M18: 19,394,616 km (0.119 R)
• M19: 20,115,229 km (0.099 R)
• M20: 23,418,948 km (0.087 R)
• M21: 24,735,858 km (0.077 R)
• M22: 25,669,349 km (0.102 R)
• M23: 26,362,885 km (0.106 R)
• M24: 30,500,014 km (0.11 R)
• M25: 34,734,681 km (0.114 R)
• M26: 35,263,659 km (0.089 R)
• M27: 36,121,004 km (0.059 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: 507 - 19,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit