🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.52 AU - 0.56 AU

Year: 260 Days

Day: 32.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,350,449 km

• M1: 88,113 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145

Radius: 10.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.92 AU - 0.98 AU

Year: 607 Days

Day: 14.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,350,449 km

• M1: 126,859 km (0.112 R)
• M2: 446,699 km (0.028 R)
• M3: 847,921 km (0.09 R)
• M4: 1,399,039 km (0.047 R)
• M5: 1,794,726 km (0.069 R)
• M6: 2,185,026 km (0.05 R)
• M7: 2,892,026 km (0.101 R)
• M8: 3,931,881 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.9

Radius: 14.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.3 AU - 2.32 AU

Year: 2303 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,350,449 km

• M1: 179,069 km (0.11 R)
• M2: 642,672 km (0.096 R)
• M3: 1,401,134 km (0.115 R)
• M4: 1,920,537 km (0.089 R)
• M5: 2,961,589 km (0.059 R)
• M6: 3,509,267 km (0.09 R)
• M7: 4,032,411 km (0.114 R)
• M8: 5,063,888 km (0.099 R)
• M9: 5,805,594 km (0.044 R)
• M10: 6,959,443 km (0.11 R)
• M11: 9,888,120 km (0.103 R)
• M12: 10,688,169 km (0.11 R)
• M13: 12,536,601 km (0.092 R)
• M14: 13,020,101 km (0.07 R)
• M15: 13,853,660 km (0.119 R)
• M16: 15,261,227 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 8.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.59 AU - 5.45 AU

Year: 6304 Days

Day: 12.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,350,449 km

• M1: 106,663 km (0.088 R)
• M2: 378,183 km (0.088 R)
• M3: 793,168 km (0.116 R)
• M4: 1,092,214 km (0.068 R)
• M5: 1,528,890 km (0.085 R)
• M6: 2,266,109 km (0.094 R)
• M7: 2,584,154 km (0.032 R)
• M8: 3,048,954 km (0.111 R)
• M9: 3,879,671 km (0.102 R)
• M10: 6,394,561 km (0.107 R)
• M11: 7,003,873 km (0.072 R)
• M12: 7,524,922 km (0.109 R)
• M13: 9,244,101 km (0.068 R)
• M14: 9,984,910 km (0.106 R)
• M15: 11,046,905 km (0.102 R)
• M16: 12,444,897 km (0.056 R)
• M17: 12,755,911 km (0.101 R)
• M18: 13,026,683 km (0.09 R)
• M19: 14,487,357 km (0.086 R)
• M20: 14,881,398 km (0.102 R)
• M21: 15,181,641 km (0.107 R)
• M22: 15,691,021 km (0.082 R)
• M23: 16,317,089 km (0.085 R)
• M24: 16,582,924 km (0.1 R)
• M25: 17,177,725 km (0.085 R)
• M26: 20,676,071 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.9

Radius: 7.2

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.98 AU - 9.2 AU

Year: 15095 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,350,449 km

• M1: 89,908 km (0.09 R)
• M2: 523,892 km (0.118 R)
• M3: 1,547,740 km (0.101 R)
• M4: 2,318,468 km (0.089 R)
• M5: 3,619,670 km (0.066 R)
• M6: 4,958,870 km (0.059 R)
• M7: 6,070,083 km (0.065 R)
• M8: 6,726,369 km (0.061 R)
• M9: 8,083,222 km (0.083 R)
• M10: 9,398,935 km (0.114 R)
• M11: 10,051,930 km (0.119 R)
• M12: 11,147,285 km (0.096 R)
• M13: 11,631,534 km (0.078 R)
• M14: 16,718,310 km (0.077 R)
• M15: 17,675,886 km (0.044 R)
• M16: 25,013,961 km (0.112 R)
• M17: 41,009,713 km (0.096 R)
• M18: 41,727,633 km (0.053 R)
• M19: 44,683,089 km (0.104 R)
• M20: 49,212,015 km (0.098 R)
• M21: 64,423,725 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.7

Radius: 5.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.98 AU - 10.5 AU

Year: 18425 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 79.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,350,449 km

• M1: 70,909 km (0.084 R)
• M2: 251,025 km (0.107 R)
• M3: 1,084,585 km (0.113 R)
• M4: 1,645,876 km (0.094 R)
• M5: 2,127,581 km (0.119 R)
• M6: 4,011,467 km (0.111 R)
• M7: 5,542,601 km (0.115 R)
• M8: 27,346,790 km (0.118 R)
• M9: 34,947,858 km (0.06 R)
• M10: 35,273,832 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.7

Radius: 6.5

Gravity: 22 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.28 AU - 12.58 AU

Year: 23705 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,350,449 km

• M1: 80,932 km (0.102 R)
• M2: 630,555 km (0.113 R)
• M3: 835,055 km (0.073 R)
• M4: 1,484,160 km (0.033 R)
• M5: 1,895,405 km (0.111 R)
• M6: 2,106,188 km (0.11 R)
• M7: 2,309,342 km (0.112 R)
• M8: 2,651,622 km (0.104 R)
• M9: 3,112,234 km (0.102 R)
• M10: 4,740,607 km (0.11 R)
• M11: 5,132,105 km (0.036 R)
• M12: 5,587,181 km (0.112 R)
• M13: 6,296,874 km (0.071 R)
• M14: 12,882,321 km (0.077 R)
• M15: 14,274,928 km (0.077 R)
• M16: 17,173,985 km (0.077 R)
• M17: 17,631,007 km (0.077 R)
• M18: 19,540,474 km (0.117 R)
• M19: 21,060,089 km (0.082 R)
• M20: 23,095,817 km (0.118 R)
• M21: 28,306,909 km (0.064 R)
• M22: 37,665,004 km (0.033 R)
• M23: 39,691,905 km (0.086 R)
• M24: 52,822,410 km (0.034 R)
• M25: 59,001,849 km (0.041 R)
• M26: 70,186,983 km (0.087 R)
• M27: 71,589,163 km (0.106 R)
• M28: 78,379,710 km (0.088 R)
• M29: 83,745,486 km (0.115 R)
• M30: 85,322,398 km (0.075 R)
• M31: 94,350,479 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 11,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit