🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 11.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.27 AU - 1.51 AU

Year: 1093 Days

Day: 7.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,715,627 km

• M1: 144,960 km (0.1 R)
• M2: 551,119 km (0.101 R)
• M3: 993,180 km (0.062 R)
• M4: 1,483,861 km (0.092 R)
• M5: 2,502,623 km (0.097 R)
• M6: 3,265,722 km (0.106 R)
• M7: 3,742,340 km (0.074 R)
• M8: 4,517,108 km (0.113 R)
• M9: 5,130,908 km (0.097 R)
• M10: 6,408,324 km (0.073 R)
• M11: 7,388,040 km (0.112 R)
• M12: 7,753,658 km (0.114 R)
• M13: 8,521,244 km (0.115 R)
• M14: 9,923,126 km (0.084 R)
• M15: 10,596,915 km (0.112 R)
• M16: 11,300,922 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 10.8

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.37 AU - 3.31 AU

Year: 3192 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,715,627 km

• M1: 140,921 km (0.081 R)
• M2: 784,940 km (0.113 R)
• M3: 1,520,363 km (0.076 R)
• M4: 2,104,393 km (0.079 R)
• M5: 2,526,259 km (0.11 R)
• M6: 3,445,389 km (0.069 R)
• M7: 4,014,160 km (0.083 R)
• M8: 6,218,035 km (0.109 R)
• M9: 6,783,366 km (0.114 R)
• M10: 7,846,708 km (0.118 R)
• M11: 9,280,304 km (0.067 R)
• M12: 9,703,666 km (0.104 R)
• M13: 10,465,119 km (0.116 R)
• M14: 10,966,122 km (0.105 R)
• M15: 14,215,388 km (0.091 R)
• M16: 16,224,188 km (0.104 R)
• M17: 18,056,912 km (0.081 R)
• M18: 19,208,367 km (0.075 R)
• M19: 20,407,992 km (0.066 R)
• M20: 21,456,523 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.5

Radius: 11.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.2 AU - 3.22 AU

Year: 3835 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,715,627 km

• M1: 138,079 km (0.073 R)
• M2: 531,671 km (0.045 R)
• M3: 1,738,926 km (0.096 R)
• M4: 2,127,431 km (0.027 R)
• M5: 2,780,576 km (0.106 R)
• M6: 3,739,348 km (0.052 R)
• M7: 5,823,546 km (0.109 R)
• M8: 9,297,508 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 14.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.83 AU - 4.69 AU

Year: 5863 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 177.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,715,627 km

• M1: 176,675 km (0.051 R)
• M2: 900,280 km (0.117 R)
• M3: 1,873,863 km (0.111 R)
• M4: 3,727,381 km (0.03 R)
• M5: 4,993,427 km (0.097 R)
• M6: 5,667,216 km (0.111 R)
• M7: 8,134,235 km (0.082 R)
• M8: 8,948,795 km (0.081 R)
• M9: 12,111,144 km (0.099 R)
• M10: 12,813,058 km (0.101 R)
• M11: 15,718,847 km (0.099 R)
• M12: 17,863,332 km (0.09 R)
• M13: 24,499,643 km (0.078 R)
• M14: 25,057,195 km (0.073 R)
• M15: 27,458,091 km (0.105 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407

Radius: 13.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.19 AU - 5.39 AU

Year: 6991 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 103.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,715,627 km

• M1: 173,234 km (0.067 R)
• M2: 634,594 km (0.092 R)
• M3: 1,875,509 km (0.053 R)
• M4: 2,459,688 km (0.067 R)
• M5: 3,263,478 km (0.108 R)
• M6: 4,022,836 km (0.051 R)
• M7: 4,897,236 km (0.098 R)
• M8: 5,986,308 km (0.117 R)
• M9: 6,588,589 km (0.067 R)
• M10: 9,288,233 km (0.033 R)
• M11: 10,141,090 km (0.104 R)
• M12: 10,999,183 km (0.12 R)
• M13: 16,033,451 km (0.066 R)
• M14: 16,701,106 km (0.053 R)
• M15: 17,324,032 km (0.112 R)
• M16: 18,352,966 km (0.037 R)
• M17: 20,532,757 km (0.112 R)
• M18: 21,103,622 km (0.113 R)
• M19: 23,339,213 km (0.116 R)
• M20: 24,914,927 km (0.102 R)
• M21: 27,409,771 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.7

Radius: 6.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.56 AU - 5.94 AU

Year: 9195 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 66.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,715,627 km

• M1: 84,972 km (0.074 R)
• M2: 321,635 km (0.058 R)
• M3: 969,394 km (0.088 R)
• M4: 1,224,309 km (0.093 R)
• M5: 1,939,686 km (0.04 R)
• M6: 2,558,722 km (0.083 R)
• M7: 2,868,988 km (0.098 R)
• M8: 3,442,247 km (0.028 R)
• M9: 4,441,561 km (0.042 R)
• M10: 4,763,196 km (0.097 R)
• M11: 5,939,335 km (0.086 R)
• M12: 6,485,068 km (0.048 R)
• M13: 7,923,601 km (0.084 R)
• M14: 9,482,261 km (0.039 R)
• M15: 10,142,436 km (0.114 R)
• M16: 11,739,394 km (0.117 R)
• M17: 15,874,877 km (0.117 R)
• M18: 19,877,667 km (0.117 R)
• M19: 23,676,257 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.9

Radius: 5.5

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.41 AU - 7.47 AU

Year: 10898 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,715,627 km

• M1: 69,413 km (0.073 R)
• M2: 314,156 km (0.097 R)
• M3: 525,537 km (0.105 R)
• M4: 754,422 km (0.107 R)
• M5: 986,598 km (0.114 R)
• M6: 1,983,967 km (0.094 R)
• M7: 3,009,311 km (0.107 R)
• M8: 3,725,735 km (0.097 R)
• M9: 4,491,377 km (0.081 R)
• M10: 4,880,631 km (0.109 R)
• M11: 7,251,607 km (0.117 R)
• M12: 7,787,018 km (0.073 R)
• M13: 9,407,313 km (0.111 R)
• M14: 11,293,742 km (0.092 R)
• M15: 15,392,424 km (0.093 R)
• M16: 16,413,729 km (0.074 R)
• M17: 17,552,019 km (0.095 R)
• M18: 23,242,423 km (0.052 R)
• M19: 27,519,426 km (0.086 R)
• M20: 30,364,029 km (0.064 R)
• M21: 33,622,869 km (0.086 R)
• M22: 37,589,457 km (0.096 R)
• M23: 40,697,353 km (0.12 R)
• M24: 41,727,035 km (0.066 R)
• M25: 44,647,784 km (0.12 R)
• M26: 45,881,069 km (0.055 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 15,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit