🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 11.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.84 AU - 0.9 AU

Year: 570 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,861,653 km

• M1: 140,921 km (0.105 R)
• M2: 553,811 km (0.079 R)
• M3: 1,063,641 km (0.095 R)
• M4: 1,808,937 km (0.063 R)
• M5: 2,523,118 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 14

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.05 AU - 1.16 AU

Year: 811 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,861,653 km

• M1: 176,525 km (0.106 R)
• M2: 711,487 km (0.059 R)
• M3: 1,192,594 km (0.038 R)
• M4: 1,630,766 km (0.099 R)
• M5: 2,160,941 km (0.104 R)
• M6: 2,708,320 km (0.096 R)
• M7: 3,261,234 km (0.034 R)
• M8: 3,751,765 km (0.037 R)
• M9: 4,612,402 km (0.107 R)
• M10: 5,654,949 km (0.11 R)
• M11: 6,155,653 km (0.096 R)
• M12: 6,625,690 km (0.095 R)
• M13: 7,077,475 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 12.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.16 AU - 2.5 AU

Year: 2500 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,861,653 km

• M1: 160,369 km (0.025 R)
• M2: 578,944 km (0.109 R)
• M3: 1,013,825 km (0.027 R)
• M4: 1,437,037 km (0.098 R)
• M5: 1,846,337 km (0.094 R)
• M6: 2,387,283 km (0.102 R)
• M7: 3,423,547 km (0.116 R)
• M8: 4,592,355 km (0.069 R)
• M9: 5,716,284 km (0.105 R)
• M10: 6,240,026 km (0.081 R)
• M11: 8,159,367 km (0.097 R)
• M12: 8,857,391 km (0.11 R)
• M13: 9,698,430 km (0.069 R)
• M14: 11,462,039 km (0.076 R)
• M15: 12,960,711 km (0.096 R)
• M16: 13,867,573 km (0.08 R)
• M17: 14,359,152 km (0.057 R)
• M18: 15,663,346 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 13.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.01 AU - 3.21 AU

Year: 2964 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,861,653 km

• M1: 165,455 km (0.099 R)
• M2: 689,945 km (0.115 R)
• M3: 1,945,221 km (0.094 R)
• M4: 5,037,858 km (0.095 R)
• M5: 5,742,314 km (0.082 R)
• M6: 7,617,972 km (0.079 R)
• M7: 8,628,207 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.3

Radius: 3.4

Gravity: 49.16 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.05 AU - 6.93 AU

Year: 10305 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,861,653 km

• M1: 42,336 km (0.091 R)
• M2: 219,909 km (0.106 R)
• M3: 479,760 km (0.117 R)
• M4: 717,471 km (0.059 R)
• M5: 1,071,869 km (0.117 R)
• M6: 1,269,488 km (0.1 R)
• M7: 1,618,200 km (0.04 R)
• M8: 2,703,234 km (0.043 R)
• M9: 3,024,719 km (0.071 R)
• M10: 3,252,856 km (0.099 R)
• M11: 3,899,867 km (0.062 R)
• M12: 4,253,666 km (0.057 R)
• M13: 4,900,527 km (0.076 R)
• M14: 5,509,839 km (0.101 R)
• M15: 6,877,014 km (0.084 R)
• M16: 7,032,895 km (0.096 R)
• M17: 8,953,433 km (0.102 R)
• M18: 9,519,062 km (0.113 R)
• M19: 12,825,325 km (0.09 R)
• M20: 13,361,184 km (0.079 R)
• M21: 14,098,702 km (0.101 R)
• M22: 16,404,155 km (0.102 R)
• M23: 19,643,397 km (0.076 R)
• M24: 20,434,770 km (0.047 R)
• M25: 21,577,997 km (0.117 R)
• M26: 22,505,653 km (0.111 R)
• M27: 23,724,278 km (0.025 R)
• M28: 28,635,875 km (0.12 R)
• M29: 29,039,490 km (0.119 R)
• M30: 31,115,011 km (0.105 R)
• M31: 37,447,788 km (0.081 R)
• M32: 37,930,391 km (0.09 R)
• M33: 38,662,223 km (0.115 R)
• M34: 41,941,857 km (0.117 R)
• M35: 43,251,138 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.9

Radius: 6.6

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8 AU - 10.26 AU

Year: 19392 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,861,653 km

• M1: 82,129 km (0.064 R)
• M2: 321,785 km (0.069 R)
• M3: 582,983 km (0.055 R)
• M4: 850,913 km (0.106 R)
• M5: 1,387,969 km (0.088 R)
• M6: 1,840,652 km (0.087 R)
• M7: 2,665,684 km (0.114 R)
• M8: 2,941,543 km (0.043 R)
• M9: 3,443,593 km (0.104 R)
• M10: 4,149,695 km (0.071 R)
• M11: 4,715,026 km (0.092 R)
• M12: 6,036,723 km (0.077 R)
• M13: 6,761,824 km (0.078 R)
• M14: 7,679,457 km (0.098 R)
• M15: 8,826,873 km (0.117 R)
• M16: 9,921,032 km (0.116 R)
• M17: 11,576,631 km (0.079 R)
• M18: 13,474,729 km (0.116 R)
• M19: 14,497,530 km (0.112 R)
• M20: 17,240,107 km (0.111 R)
• M21: 17,875,599 km (0.069 R)
• M22: 21,652,497 km (0.085 R)
• M23: 22,957,439 km (0.114 R)
• M24: 23,823,611 km (0.083 R)
• M25: 25,518,854 km (0.064 R)
• M26: 26,973,992 km (0.106 R)
• M27: 27,829,991 km (0.113 R)
• M28: 28,046,758 km (0.099 R)
• M29: 30,276,963 km (0.061 R)
• M30: 31,201,179 km (0.1 R)
• M31: 31,906,683 km (0.061 R)
• M32: 32,502,681 km (0.031 R)
• M33: 38,606,573 km (0.116 R)
• M34: 46,795,710 km (0.045 R)
• M35: 47,564,942 km (0.089 R)
• M36: 48,499,031 km (0.069 R)
• M37: 53,020,178 km (0.097 R)
• M38: 56,242,965 km (0.097 R)
• M39: 56,937,847 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 13,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit