🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 10.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.65 AU - 0.73 AU

Year: 389 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,236,903 km

• M1: 131,796 km (0.027 R)
• M2: 467,793 km (0.073 R)
• M3: 827,127 km (0.081 R)
• M4: 1,475,933 km (0.11 R)
• M5: 1,815,520 km (0.105 R)
• M6: 2,685,282 km (0.102 R)
• M7: 3,030,853 km (0.05 R)
• M8: 3,383,904 km (0.102 R)
• M9: 3,764,630 km (0.107 R)
• M10: 4,110,052 km (0.091 R)
• M11: 4,723,702 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.2

Radius: 8.6

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.41 AU - 1.79 AU

Year: 1373 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,236,903 km

• M1: 106,962 km (0.064 R)
• M2: 386,710 km (0.104 R)
• M3: 924,365 km (0.117 R)
• M4: 1,601,445 km (0.051 R)
• M5: 2,484,521 km (0.09 R)
• M6: 2,851,335 km (0.075 R)
• M7: 3,176,860 km (0.067 R)
• M8: 3,543,525 km (0.073 R)
• M9: 4,343,275 km (0.114 R)
• M10: 5,108,169 km (0.057 R)
• M11: 5,433,843 km (0.111 R)
• M12: 8,262,739 km (0.04 R)
• M13: 9,693,493 km (0.105 R)
• M14: 10,058,811 km (0.119 R)
• M15: 10,330,182 km (0.108 R)
• M16: 11,101,957 km (0.056 R)
• M17: 12,177,117 km (0.097 R)
• M18: 13,689,252 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 8.7

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.58 AU - 2.28 AU

Year: 1819 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,236,903 km

• M1: 114,592 km (0.112 R)
• M2: 496,366 km (0.053 R)
• M3: 986,299 km (0.087 R)
• M4: 1,308,981 km (0.053 R)
• M5: 1,785,899 km (0.061 R)
• M6: 2,801,370 km (0.089 R)
• M7: 3,393,329 km (0.087 R)
• M8: 3,991,421 km (0.041 R)
• M9: 5,628,321 km (0.108 R)
• M10: 6,086,838 km (0.097 R)
• M11: 7,244,426 km (0.094 R)
• M12: 9,345,828 km (0.111 R)
• M13: 9,782,953 km (0.056 R)
• M14: 10,734,545 km (0.084 R)
• M15: 11,251,555 km (0.101 R)
• M16: 12,657,625 km (0.085 R)
• M17: 13,109,710 km (0.103 R)
• M18: 15,486,970 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 13.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.87 AU - 2.93 AU

Year: 3350 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,236,903 km

• M1: 173,683 km (0.101 R)
• M2: 658,380 km (0.088 R)
• M3: 1,983,668 km (0.058 R)
• M4: 3,143,051 km (0.113 R)
• M5: 4,222,101 km (0.093 R)
• M6: 5,077,501 km (0.103 R)
• M7: 6,476,840 km (0.089 R)
• M8: 7,074,184 km (0.116 R)
• M9: 7,770,562 km (0.115 R)
• M10: 8,281,589 km (0.063 R)
• M11: 8,883,271 km (0.09 R)
• M12: 9,803,896 km (0.116 R)
• M13: 11,022,970 km (0.069 R)
• M14: 12,340,927 km (0.09 R)
• M15: 15,889,089 km (0.086 R)
• M16: 16,401,611 km (0.067 R)
• M17: 17,244,895 km (0.054 R)
• M18: 18,006,198 km (0.116 R)
• M19: 18,903,636 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 15

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.81 AU - 6.11 AU

Year: 7492 Days

Day: 12.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,236,903 km

• M1: 187,895 km (0.046 R)
• M2: 1,407,566 km (0.09 R)
• M3: 2,348,088 km (0.087 R)
• M4: 4,719,514 km (0.119 R)
• M5: 6,089,531 km (0.075 R)
• M6: 7,005,967 km (0.105 R)
• M7: 7,579,376 km (0.119 R)
• M8: 8,046,869 km (0.09 R)
• M9: 8,929,796 km (0.098 R)
• M10: 10,931,416 km (0.062 R)
• M11: 20,014,250 km (0.086 R)
• M12: 20,716,912 km (0.054 R)

Asteroid Belt

Center: 5.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.4

Radius: 5.6

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.49 AU - 7.19 AU

Year: 9572 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,236,903 km

• M1: 69,862 km (0.102 R)
• M2: 280,795 km (0.12 R)
• M3: 770,130 km (0.057 R)
• M4: 953,238 km (0.072 R)
• M5: 1,176,587 km (0.088 R)
• M6: 1,590,973 km (0.108 R)
• M7: 2,180,838 km (0.107 R)
• M8: 2,497,836 km (0.079 R)
• M9: 2,745,570 km (0.107 R)
• M10: 3,030,554 km (0.096 R)
• M11: 4,005,633 km (0.042 R)
• M12: 4,592,355 km (0.085 R)
• M13: 5,265,396 km (0.079 R)
• M14: 6,412,513 km (0.088 R)
• M15: 6,732,652 km (0.08 R)
• M16: 6,915,012 km (0.096 R)
• M17: 11,604,157 km (0.09 R)
• M18: 12,026,023 km (0.115 R)
• M19: 12,844,772 km (0.075 R)
• M20: 17,778,061 km (0.082 R)
• M21: 18,127,073 km (0.068 R)
• M22: 18,623,439 km (0.116 R)
• M23: 20,166,840 km (0.089 R)
• M24: 20,853,644 km (0.11 R)
• M25: 36,925,841 km (0.117 R)
• M26: 37,266,026 km (0.101 R)
• M27: 37,494,014 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.1

Radius: 5.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.15 AU - 6.27 AU

Year: 10496 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,236,903 km

• M1: 67,319 km (0.112 R)
• M2: 480,508 km (0.051 R)
• M3: 693,835 km (0.063 R)
• M4: 1,275,471 km (0.09 R)
• M5: 1,630,168 km (0.099 R)
• M6: 4,145,058 km (0.118 R)
• M7: 5,000,159 km (0.092 R)
• M8: 5,612,613 km (0.087 R)
• M9: 5,847,332 km (0.072 R)
• M10: 6,655,609 km (0.108 R)
• M11: 7,535,993 km (0.05 R)
• M12: 8,077,836 km (0.058 R)
• M13: 9,608,073 km (0.102 R)
• M14: 11,461,441 km (0.088 R)
• M15: 12,128,647 km (0.077 R)
• M16: 13,909,760 km (0.119 R)
• M17: 17,542,146 km (0.048 R)
• M18: 19,675,710 km (0.057 R)
• M19: 28,456,357 km (0.087 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: 489 - 11,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit