🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.1

Radius: 10.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 6.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,794,000 km

• M1: 128,056 km (0.099 R)
• M2: 475,123 km (0.038 R)
• M3: 808,576 km (0.046 R)
• M4: 1,211,144 km (0.079 R)
• M5: 2,104,692 km (0.109 R)
• M6: 2,445,028 km (0.077 R)
• M7: 3,016,192 km (0.115 R)
• M8: 3,349,048 km (0.076 R)
• M9: 3,838,831 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 9.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.87 AU - 0.95 AU

Year: 599 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,794,000 km

• M1: 115,041 km (0.117 R)
• M2: 410,048 km (0.086 R)
• M3: 823,985 km (0.055 R)
• M4: 1,120,488 km (0.09 R)
• M5: 1,667,268 km (0.059 R)
• M6: 2,075,072 km (0.107 R)
• M7: 2,528,802 km (0.075 R)
• M8: 3,279,036 km (0.106 R)
• M9: 3,699,855 km (0.087 R)
• M10: 4,545,531 km (0.072 R)
• M11: 4,833,806 km (0.078 R)
• M12: 5,134,349 km (0.103 R)
• M13: 5,430,403 km (0.11 R)
• M14: 5,949,657 km (0.111 R)
• M15: 6,295,228 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 8.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.2 AU - 1.56 AU

Year: 1119 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,794,000 km

• M1: 110,702 km (0.093 R)
• M2: 391,348 km (0.06 R)
• M3: 819,647 km (0.117 R)
• M4: 1,193,193 km (0.119 R)
• M5: 1,501,215 km (0.066 R)
• M6: 1,835,566 km (0.064 R)
• M7: 2,657,157 km (0.051 R)
• M8: 3,448,231 km (0.119 R)
• M9: 3,808,612 km (0.074 R)
• M10: 4,371,848 km (0.033 R)
• M11: 5,394,798 km (0.102 R)
• M12: 6,064,548 km (0.089 R)
• M13: 6,899,603 km (0.054 R)
• M14: 7,450,423 km (0.117 R)
• M15: 8,849,761 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 10.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.85 AU - 3.31 AU

Year: 3731 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,794,000 km

• M1: 127,158 km (0.113 R)
• M2: 639,680 km (0.112 R)
• M3: 1,071,719 km (0.118 R)
• M4: 1,567,786 km (0.085 R)
• M5: 1,962,275 km (0.088 R)
• M6: 2,763,521 km (0.101 R)
• M7: 3,099,369 km (0.102 R)
• M8: 3,502,385 km (0.097 R)
• M9: 4,005,782 km (0.108 R)
• M10: 4,581,136 km (0.055 R)
• M11: 5,080,194 km (0.076 R)
• M12: 6,246,758 km (0.072 R)
• M13: 6,580,062 km (0.11 R)
• M14: 6,989,063 km (0.098 R)
• M15: 7,415,118 km (0.12 R)
• M16: 8,760,751 km (0.113 R)
• M17: 9,690,651 km (0.111 R)
• M18: 10,727,813 km (0.054 R)
• M19: 11,340,117 km (0.095 R)
• M20: 11,700,349 km (0.068 R)
• M21: 12,972,978 km (0.1 R)
• M22: 15,569,847 km (0.096 R)
• M23: 18,248,247 km (0.12 R)
• M24: 21,767,837 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.7

Radius: 14.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.5 AU - 3.7 AU

Year: 3768 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,794,000 km

• M1: 176,525 km (0.049 R)
• M2: 646,562 km (0.105 R)
• M3: 1,994,588 km (0.119 R)
• M4: 2,823,061 km (0.105 R)
• M5: 3,701,201 km (0.107 R)
• M6: 4,509,927 km (0.1 R)
• M7: 5,218,123 km (0.05 R)
• M8: 6,206,965 km (0.113 R)
• M9: 8,370,898 km (0.05 R)
• M10: 8,857,840 km (0.025 R)
• M11: 9,443,366 km (0.112 R)
• M12: 10,222,023 km (0.069 R)
• M13: 10,998,884 km (0.111 R)
• M14: 12,095,586 km (0.085 R)
• M15: 13,772,429 km (0.088 R)
• M16: 15,101,007 km (0.087 R)
• M17: 17,766,393 km (0.1 R)
• M18: 19,210,611 km (0.073 R)
• M19: 19,994,503 km (0.105 R)
• M20: 22,047,884 km (0.085 R)
• M21: 22,834,918 km (0.108 R)
• M22: 26,092,412 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.3

Radius: 6.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.91 AU - 8.35 AU

Year: 16001 Days

Day: 23.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,794,000 km

• M1: 85,869 km (0.071 R)
• M2: 300,692 km (0.103 R)
• M3: 1,185,264 km (0.115 R)
• M4: 1,453,194 km (0.091 R)
• M5: 1,834,219 km (0.081 R)
• M6: 2,795,835 km (0.083 R)
• M7: 4,757,362 km (0.12 R)
• M8: 5,661,083 km (0.085 R)
• M9: 10,925,282 km (0.065 R)
• M10: 16,368,251 km (0.08 R)
• M11: 17,230,982 km (0.106 R)
• M12: 20,832,251 km (0.083 R)
• M13: 21,844,730 km (0.047 R)
• M14: 23,135,460 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.6

Radius: 3.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.08 AU - 9.98 AU

Year: 17196 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,794,000 km

• M1: 45,029 km (0.047 R)
• M2: 641,476 km (0.076 R)
• M3: 791,373 km (0.114 R)
• M4: 1,434,793 km (0.119 R)
• M5: 2,336,120 km (0.063 R)
• M6: 2,457,295 km (0.087 R)
• M7: 7,550,653 km (0.05 R)
• M8: 8,406,952 km (0.101 R)
• M9: 10,496,086 km (0.079 R)
• M10: 10,731,852 km (0.079 R)
• M11: 12,746,487 km (0.057 R)
• M12: 20,202,594 km (0.083 R)
• M13: 20,936,372 km (0.097 R)
• M14: 21,993,430 km (0.078 R)
• M15: 30,310,773 km (0.032 R)
• M16: 32,153,370 km (0.085 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 17,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit