🌌 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: 51.7

Radius: 8.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.83 AU - 0.91 AU

Year: 560 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 57.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,421,493 km

• M1: 108,159 km (0.11 R)
• M2: 533,616 km (0.106 R)
• M3: 948,451 km (0.082 R)
• M4: 1,783,655 km (0.092 R)
• M5: 2,218,985 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 9.6

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.73 AU - 1.07 AU

Year: 589 Days

Day: 7 Hours

Environment

Temp: -166 °C

Axial Tilt: 173.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,421,493 km

• M1: 119,379 km (0.109 R)
• M2: 422,016 km (0.086 R)
• M3: 739,462 km (0.031 R)
• M4: 1,101,938 km (0.084 R)
• M5: 1,435,092 km (0.079 R)
• M6: 1,861,895 km (0.118 R)
• M7: 2,728,516 km (0.111 R)
• M8: 3,083,362 km (0.088 R)
• M9: 3,563,421 km (0.115 R)
• M10: 4,640,975 km (0.105 R)
• M11: 5,694,293 km (0.055 R)
• M12: 6,098,208 km (0.083 R)
• M13: 7,448,927 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.6

Radius: 14.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.89 AU - 1.05 AU

Year: 659 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,421,493 km

• M1: 179,817 km (0.084 R)
• M2: 741,557 km (0.111 R)
• M3: 1,472,791 km (0.11 R)
• M4: 2,019,122 km (0.097 R)
• M5: 3,086,054 km (0.103 R)
• M6: 3,930,086 km (0.11 R)
• M7: 4,472,378 km (0.047 R)
• M8: 5,048,928 km (0.074 R)
• M9: 5,882,936 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 9.4

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.2 AU - 1.4 AU

Year: 1023 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,421,493 km

• M1: 116,836 km (0.095 R)
• M2: 702,362 km (0.071 R)
• M3: 1,194,689 km (0.053 R)
• M4: 2,456,846 km (0.069 R)
• M5: 4,163,907 km (0.081 R)
• M6: 6,618,359 km (0.092 R)
• M7: 7,105,151 km (0.1 R)
• M8: 7,800,033 km (0.083 R)
• M9: 8,260,346 km (0.058 R)
• M10: 8,911,844 km (0.082 R)
• M11: 9,445,460 km (0.098 R)
• M12: 11,794,895 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.8

Radius: 14.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.32 AU - 1.92 AU

Year: 1423 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,421,493 km

• M1: 185,352 km (0.115 R)
• M2: 804,388 km (0.088 R)
• M3: 1,420,432 km (0.111 R)
• M4: 1,882,390 km (0.058 R)
• M5: 2,811,842 km (0.105 R)
• M6: 3,605,907 km (0.104 R)
• M7: 4,227,785 km (0.084 R)
• M8: 4,981,759 km (0.114 R)
• M9: 5,599,448 km (0.109 R)
• M10: 6,340,107 km (0.102 R)
• M11: 7,015,243 km (0.1 R)
• M12: 7,545,866 km (0.075 R)
• M13: 8,363,119 km (0.092 R)
• M14: 8,991,281 km (0.072 R)
• M15: 9,650,708 km (0.034 R)
• M16: 10,241,620 km (0.118 R)
• M17: 10,752,347 km (0.071 R)
• M18: 11,279,979 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 10.8

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.72 AU - 3.76 AU

Year: 4026 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,421,493 km

• M1: 134,339 km (0.03 R)
• M2: 486,791 km (0.111 R)
• M3: 1,288,337 km (0.113 R)
• M4: 1,910,215 km (0.109 R)
• M5: 2,392,220 km (0.073 R)
• M6: 3,238,046 km (0.042 R)
• M7: 3,752,064 km (0.109 R)
• M8: 4,367,809 km (0.053 R)
• M9: 6,037,620 km (0.109 R)
• M10: 6,625,390 km (0.043 R)
• M11: 7,560,976 km (0.044 R)
• M12: 8,133,786 km (0.069 R)
• M13: 11,769,912 km (0.102 R)
• M14: 12,987,638 km (0.081 R)
• M15: 15,902,254 km (0.076 R)
• M16: 16,843,374 km (0.12 R)
• M17: 18,579,008 km (0.084 R)
• M18: 19,226,917 km (0.111 R)
• M19: 21,121,424 km (0.115 R)
• M20: 21,472,231 km (0.108 R)
• M21: 23,062,905 km (0.056 R)
• M22: 24,268,215 km (0.091 R)
• M23: 24,730,772 km (0.114 R)
• M24: 27,132,715 km (0.04 R)
• M25: 28,560,777 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 10

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.14 AU - 3.82 AU

Year: 4481 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,421,493 km

• M1: 124,914 km (0.117 R)
• M2: 442,361 km (0.078 R)
• M3: 922,720 km (0.087 R)
• M4: 1,247,048 km (0.11 R)
• M5: 1,763,011 km (0.112 R)
• M6: 2,197,742 km (0.099 R)
• M7: 3,031,152 km (0.099 R)
• M8: 3,468,576 km (0.102 R)
• M9: 4,545,382 km (0.077 R)
• M10: 5,065,982 km (0.06 R)
• M11: 5,625,927 km (0.091 R)
• M12: 7,591,793 km (0.053 R)
• M13: 8,439,863 km (0.095 R)
• M14: 9,639,488 km (0.09 R)
• M15: 10,280,216 km (0.079 R)
• M16: 10,633,417 km (0.076 R)
• M17: 11,742,086 km (0.059 R)
• M18: 12,079,430 km (0.077 R)
• M19: 12,572,654 km (0.118 R)
• M20: 16,231,668 km (0.095 R)
• M21: 16,771,866 km (0.066 R)
• M22: 17,386,115 km (0.117 R)
• M23: 17,951,744 km (0.074 R)
• M24: 20,965,543 km (0.115 R)
• M25: 27,889,531 km (0.085 R)
• M26: 28,318,428 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.9

Radius: 8

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.16 AU - 6.1 AU

Year: 9221 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,421,493 km

• M1: 99,483 km (0.055 R)
• M2: 410,646 km (0.08 R)
• M3: 692,489 km (0.06 R)
• M4: 987,346 km (0.083 R)
• M5: 1,366,577 km (0.114 R)
• M6: 3,293,996 km (0.088 R)
• M7: 4,069,361 km (0.11 R)
• M8: 5,389,712 km (0.109 R)
• M9: 5,645,674 km (0.069 R)
• M10: 6,715,299 km (0.096 R)
• M11: 7,434,266 km (0.093 R)
• M12: 7,711,770 km (0.049 R)
• M13: 8,414,731 km (0.089 R)
• M14: 8,716,320 km (0.105 R)
• M15: 10,285,003 km (0.038 R)
• M16: 12,033,503 km (0.077 R)
• M17: 12,695,324 km (0.082 R)
• M18: 13,092,506 km (0.12 R)
• M19: 14,272,983 km (0.098 R)
• M20: 14,640,545 km (0.059 R)
• M21: 15,267,211 km (0.09 R)
• M22: 15,587,201 km (0.105 R)
• M23: 16,912,189 km (0.086 R)
• M24: 17,812,618 km (0.107 R)
• M25: 18,744,763 km (0.057 R)
• M26: 19,936,011 km (0.09 R)
• M27: 22,551,281 km (0.108 R)
• M28: 24,854,489 km (0.109 R)
• M29: 25,208,588 km (0.071 R)
• M30: 33,230,025 km (0.118 R)
• M31: 34,311,468 km (0.105 R)
• M32: 36,544,366 km (0.086 R)
• M33: 39,710,156 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 12,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit