🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.2

Radius: 11.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.76 AU - 0.82 AU

Year: 453 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,531,660 km

• M1: 139,276 km (0.12 R)
• M2: 507,436 km (0.097 R)
• M3: 978,669 km (0.116 R)
• M4: 1,352,963 km (0.092 R)
• M5: 1,796,222 km (0.096 R)
• M6: 2,187,719 km (0.117 R)
• M7: 2,854,028 km (0.101 R)
• M8: 3,209,024 km (0.101 R)
• M9: 3,628,048 km (0.073 R)
• M10: 4,631,400 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 12.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.76 AU - 0.9 AU

Year: 488 Days

Day: 11.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,531,660 km

• M1: 192,981 km (0.073 R)
• M2: 642,972 km (0.03 R)
• M3: 1,149,660 km (0.064 R)
• M4: 1,560,904 km (0.119 R)
• M5: 2,064,750 km (0.045 R)
• M6: 2,538,077 km (0.107 R)
• M7: 3,103,258 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 13

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.12 AU - 3.2 AU

Year: 3627 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,531,660 km

• M1: 161,715 km (0.116 R)
• M2: 1,114,055 km (0.096 R)
• M3: 1,840,353 km (0.08 R)
• M4: 2,900,254 km (0.047 R)
• M5: 3,307,609 km (0.067 R)
• M6: 4,285,829 km (0.11 R)
• M7: 5,179,228 km (0.116 R)
• M8: 6,133,513 km (0.063 R)
• M9: 6,590,385 km (0.097 R)
• M10: 7,572,794 km (0.099 R)
• M11: 8,099,528 km (0.115 R)
• M12: 11,698,254 km (0.042 R)
• M13: 13,387,663 km (0.093 R)
• M14: 14,002,660 km (0.047 R)
• M15: 14,744,067 km (0.112 R)
• M16: 15,791,850 km (0.065 R)
• M17: 19,041,116 km (0.04 R)
• M18: 20,484,436 km (0.104 R)
• M19: 21,026,878 km (0.119 R)
• M20: 23,074,424 km (0.113 R)
• M21: 25,875,495 km (0.116 R)
• M22: 26,911,460 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.5

Radius: 12.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.05 AU - 3.87 AU

Year: 4156 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,531,660 km

• M1: 163,660 km (0.117 R)
• M2: 1,004,550 km (0.065 R)
• M3: 1,414,897 km (0.095 R)
• M4: 1,965,417 km (0.072 R)
• M5: 2,736,444 km (0.119 R)
• M6: 3,430,878 km (0.065 R)
• M7: 4,005,633 km (0.032 R)
• M8: 5,223,060 km (0.1 R)
• M9: 5,741,865 km (0.086 R)
• M10: 6,323,652 km (0.118 R)
• M11: 6,944,333 km (0.054 R)
• M12: 7,901,610 km (0.105 R)
• M13: 8,836,447 km (0.105 R)
• M14: 12,130,891 km (0.068 R)
• M15: 13,044,336 km (0.047 R)
• M16: 14,150,762 km (0.117 R)
• M17: 15,266,762 km (0.05 R)
• M18: 17,049,669 km (0.105 R)
• M19: 17,559,200 km (0.036 R)
• M20: 18,549,238 km (0.095 R)
• M21: 20,197,807 km (0.094 R)
• M22: 21,219,710 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 14.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.61 AU - 4.27 AU

Year: 5050 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,531,660 km

• M1: 177,872 km (0.044 R)
• M2: 644,318 km (0.06 R)
• M3: 2,305,004 km (0.076 R)
• M4: 2,749,609 km (0.069 R)
• M5: 3,771,063 km (0.077 R)
• M6: 4,420,617 km (0.102 R)
• M7: 5,286,639 km (0.114 R)
• M8: 5,791,233 km (0.115 R)
• M9: 7,649,388 km (0.112 R)
• M10: 8,614,294 km (0.055 R)
• M11: 9,746,152 km (0.036 R)
• M12: 10,462,426 km (0.109 R)
• M13: 12,614,392 km (0.054 R)
• M14: 13,142,023 km (0.105 R)
• M15: 17,452,536 km (0.074 R)
• M16: 18,308,535 km (0.081 R)
• M17: 19,469,714 km (0.09 R)
• M18: 21,788,331 km (0.119 R)
• M19: 22,472,293 km (0.101 R)
• M20: 28,022,972 km (0.074 R)
• M21: 28,560,777 km (0.118 R)
• M22: 29,014,208 km (0.103 R)
• M23: 30,403,224 km (0.047 R)
• M24: 32,520,333 km (0.103 R)
• M25: 33,614,791 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.7

Radius: 5.6

Gravity: 28.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 10.27 AU - 11.29 AU

Year: 22853 Days

Day: 17 Hours

Environment

Temp: -225 °C

Axial Tilt: 53.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,531,660 km

• M1: 69,713 km (0.096 R)
• M2: 302,188 km (0.06 R)
• M3: 1,466,209 km (0.095 R)
• M4: 2,098,260 km (0.08 R)
• M5: 2,439,642 km (0.104 R)
• M6: 3,118,068 km (0.027 R)
• M7: 4,290,168 km (0.088 R)
• M8: 4,840,090 km (0.115 R)
• M9: 5,191,944 km (0.111 R)
• M10: 5,435,788 km (0.117 R)
• M11: 5,772,832 km (0.086 R)
• M12: 7,881,115 km (0.092 R)
• M13: 10,518,077 km (0.087 R)
• M14: 11,242,280 km (0.067 R)
• M15: 13,234,774 km (0.025 R)
• M16: 17,088,415 km (0.054 R)
• M17: 18,933,555 km (0.033 R)
• M18: 19,317,872 km (0.114 R)
• M19: 21,111,850 km (0.077 R)
• M20: 21,943,764 km (0.072 R)
• M21: 23,123,044 km (0.034 R)
• M22: 26,314,265 km (0.062 R)
• M23: 27,399,299 km (0.108 R)
• M24: 28,139,060 km (0.089 R)
• M25: 29,145,854 km (0.04 R)
• M26: 33,414,180 km (0.114 R)
• M27: 34,972,392 km (0.027 R)
• M28: 35,550,887 km (0.082 R)
• M29: 36,727,025 km (0.088 R)
• M30: 41,853,146 km (0.075 R)
• M31: 49,765,228 km (0.059 R)
• M32: 51,421,575 km (0.094 R)
• M33: 61,297,578 km (0.114 R)
• M34: 68,239,218 km (0.084 R)
• M35: 75,445,946 km (0.064 R)
• M36: 79,356,734 km (0.113 R)
• M37: 82,376,815 km (0.066 R)
• M38: 83,400,364 km (0.104 R)
• M39: 86,521,574 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit