🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 8.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.51 AU - 0.61 AU

Year: 284 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,854,525 km

• M1: 166,951 km (0.088 R)
• M2: 711,487 km (0.103 R)
• M3: 1,042,398 km (0.101 R)
• M4: 1,338,153 km (0.1 R)
• M5: 1,684,322 km (0.06 R)
• M6: 1,972,747 km (0.093 R)
• M7: 2,864,201 km (0.104 R)
• M8: 3,249,715 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.1

Radius: 8.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,854,525 km

• M1: 106,514 km (0.074 R)
• M2: 397,781 km (0.073 R)
• M3: 745,895 km (0.087 R)
• M4: 1,423,873 km (0.106 R)
• M5: 1,792,033 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.9

Radius: 12.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.59 AU - 0.63 AU

Year: 323 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,854,525 km

• M1: 154,235 km (0.057 R)
• M2: 545,135 km (0.112 R)
• M3: 970,292 km (0.088 R)
• M4: 1,406,519 km (0.106 R)
• M5: 2,241,724 km (0.069 R)
• M6: 2,634,718 km (0.115 R)
• M7: 3,093,534 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 14.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.87 AU - 1.25 AU

Year: 740 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,854,525 km

• M1: 182,809 km (0.095 R)
• M2: 787,483 km (0.039 R)
• M3: 1,456,485 km (0.101 R)
• M4: 1,981,873 km (0.116 R)
• M5: 2,663,291 km (0.063 R)
• M6: 3,282,626 km (0.087 R)
• M7: 3,908,693 km (0.11 R)
• M8: 4,474,622 km (0.048 R)
• M9: 5,005,096 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.7

Radius: 7.2

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.83 AU - 7.27 AU

Year: 12696 Days

Day: 22.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,854,525 km

• M1: 91,255 km (0.067 R)
• M2: 376,837 km (0.112 R)
• M3: 646,861 km (0.104 R)
• M4: 1,534,725 km (0.107 R)
• M5: 2,127,132 km (0.058 R)
• M6: 2,928,977 km (0.107 R)
• M7: 3,300,877 km (0.091 R)
• M8: 3,809,809 km (0.074 R)
• M9: 4,578,293 km (0.113 R)
• M10: 6,418,646 km (0.086 R)
• M11: 6,649,775 km (0.119 R)
• M12: 7,933,624 km (0.082 R)
• M13: 8,335,444 km (0.11 R)
• M14: 10,339,906 km (0.078 R)
• M15: 11,538,185 km (0.094 R)
• M16: 20,150,684 km (0.098 R)
• M17: 20,564,023 km (0.095 R)
• M18: 21,067,569 km (0.106 R)
• M19: 22,538,565 km (0.079 R)
• M20: 24,262,381 km (0.069 R)
• M21: 24,824,570 km (0.116 R)
• M22: 25,684,010 km (0.116 R)
• M23: 26,860,597 km (0.069 R)
• M24: 28,588,303 km (0.097 R)
• M25: 31,372,020 km (0.116 R)
• M26: 37,471,723 km (0.074 R)
• M27: 37,720,953 km (0.054 R)
• M28: 47,885,680 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.8

Radius: 5.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.95 AU - 8.27 AU

Year: 14239 Days

Day: 16.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,854,525 km

• M1: 68,665 km (0.1 R)
• M2: 454,778 km (0.034 R)
• M3: 693,386 km (0.045 R)
• M4: 1,119,890 km (0.081 R)
• M5: 1,841,699 km (0.063 R)
• M6: 2,067,143 km (0.084 R)
• M7: 4,885,866 km (0.103 R)
• M8: 7,276,440 km (0.11 R)
• M9: 8,263,637 km (0.069 R)
• M10: 11,012,647 km (0.095 R)
• M11: 11,595,181 km (0.079 R)
• M12: 12,994,819 km (0.095 R)
• M13: 13,644,971 km (0.092 R)
• M14: 15,267,510 km (0.079 R)
• M15: 17,224,250 km (0.096 R)
• M16: 18,299,111 km (0.07 R)
• M17: 25,156,677 km (0.117 R)
• M18: 25,979,615 km (0.099 R)
• M19: 29,351,252 km (0.104 R)
• M20: 33,658,324 km (0.088 R)
• M21: 38,248,436 km (0.076 R)
• M22: 38,488,241 km (0.068 R)
• M23: 40,817,480 km (0.073 R)
• M24: 42,207,842 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.9

Radius: 3.3

Gravity: 91.54 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.92 AU - 10.98 AU

Year: 18160 Days

Day: 20.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,854,525 km

• M1: 49,966 km (0.074 R)
• M2: 277,354 km (0.102 R)
• M3: 1,667,268 km (0.032 R)
• M4: 2,053,081 km (0.066 R)
• M5: 3,106,549 km (0.082 R)
• M6: 4,268,626 km (0.111 R)
• M7: 4,371,250 km (0.12 R)
• M8: 4,652,793 km (0.098 R)
• M9: 5,174,441 km (0.116 R)
• M10: 5,291,127 km (0.078 R)
• M11: 6,556,276 km (0.059 R)
• M12: 7,356,176 km (0.114 R)
• M13: 8,538,897 km (0.114 R)
• M14: 8,701,959 km (0.083 R)
• M15: 9,317,703 km (0.105 R)
• M16: 10,203,472 km (0.114 R)
• M17: 10,387,179 km (0.052 R)
• M18: 10,887,583 km (0.116 R)
• M19: 13,340,241 km (0.079 R)
• M20: 13,633,602 km (0.073 R)
• M21: 14,928,521 km (0.097 R)
• M22: 15,484,726 km (0.107 R)
• M23: 16,892,891 km (0.047 R)
• M24: 22,132,107 km (0.111 R)
• M25: 23,380,352 km (0.061 R)
• M26: 25,339,486 km (0.077 R)
• M27: 31,092,870 km (0.095 R)
• M28: 36,363,054 km (0.054 R)
• M29: 40,953,763 km (0.107 R)
• M30: 41,572,949 km (0.08 R)
• M31: 41,728,680 km (0.114 R)
• M32: 42,513,172 km (0.117 R)
• M33: 44,273,789 km (0.096 R)
• M34: 46,249,079 km (0.094 R)
• M35: 50,021,788 km (0.066 R)
• M36: 59,941,473 km (0.111 R)
• M37: 63,587,173 km (0.106 R)
• M38: 63,793,918 km (0.04 R)
• M39: 64,001,111 km (0.092 R)
• M40: 64,625,532 km (0.054 R)
• M41: 65,674,961 km (0.086 R)
• M42: 74,943,746 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 11,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit