🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84

Radius: 12.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.89 AU - 0.89 AU

Year: 590 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,558,448 km

• M1: 167,998 km (0.108 R)
• M2: 785,838 km (0.035 R)
• M3: 1,598,304 km (0.119 R)
• M4: 2,219,584 km (0.106 R)
• M5: 3,155,468 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.2

Radius: 14

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.32 AU - 1.54 AU

Year: 1202 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,558,448 km

• M1: 174,132 km (0.118 R)
• M2: 621,579 km (0.066 R)
• M3: 1,298,958 km (0.094 R)
• M4: 1,778,719 km (0.042 R)
• M5: 2,946,928 km (0.08 R)
• M6: 3,486,977 km (0.08 R)
• M7: 4,122,169 km (0.111 R)
• M8: 4,608,811 km (0.077 R)
• M9: 5,133,900 km (0.117 R)
• M10: 6,891,525 km (0.119 R)
• M11: 7,580,722 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 9.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.21 AU - 2.61 AU

Year: 2630 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,558,448 km

• M1: 131,197 km (0.103 R)
• M2: 425,905 km (0.113 R)
• M3: 883,525 km (0.061 R)
• M4: 3,242,384 km (0.106 R)
• M5: 5,275,569 km (0.106 R)
• M6: 6,167,920 km (0.114 R)
• M7: 6,676,403 km (0.096 R)
• M8: 7,981,495 km (0.118 R)
• M9: 8,370,898 km (0.098 R)
• M10: 11,612,086 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.5

Radius: 9.7

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.77 AU - 5.05 AU

Year: 6510 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,558,448 km

• M1: 126,261 km (0.049 R)
• M2: 435,031 km (0.068 R)
• M3: 1,093,411 km (0.107 R)
• M4: 2,103,645 km (0.077 R)
• M5: 3,092,188 km (0.072 R)
• M6: 4,839,491 km (0.115 R)
• M7: 7,344,358 km (0.111 R)
• M8: 7,902,657 km (0.047 R)
• M9: 8,978,864 km (0.075 R)
• M10: 9,530,581 km (0.064 R)
• M11: 11,128,735 km (0.081 R)
• M12: 11,966,334 km (0.101 R)
• M13: 16,108,100 km (0.084 R)
• M14: 17,765,196 km (0.097 R)
• M15: 18,163,126 km (0.092 R)
• M16: 20,750,272 km (0.119 R)
• M17: 21,639,631 km (0.093 R)
• M18: 27,428,620 km (0.093 R)
• M19: 31,684,530 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.8

Radius: 3.9

Gravity: 34.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.75 AU - 8.49 AU

Year: 13355 Days

Day: 24.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,558,448 km

• M1: 48,470 km (0.06 R)
• M2: 173,833 km (0.075 R)
• M3: 474,674 km (0.119 R)
• M4: 608,115 km (0.108 R)
• M5: 1,347,877 km (0.111 R)
• M6: 1,697,786 km (0.096 R)
• M7: 2,391,920 km (0.105 R)
• M8: 2,617,813 km (0.073 R)
• M9: 3,112,533 km (0.078 R)
• M10: 3,613,836 km (0.056 R)
• M11: 4,617,637 km (0.067 R)
• M12: 6,354,768 km (0.08 R)
• M13: 7,240,986 km (0.099 R)
• M14: 7,979,999 km (0.111 R)
• M15: 8,160,863 km (0.057 R)
• M16: 10,934,557 km (0.096 R)
• M17: 11,729,371 km (0.102 R)
• M18: 12,081,524 km (0.043 R)
• M19: 12,320,282 km (0.06 R)
• M20: 14,679,141 km (0.115 R)
• M21: 15,504,473 km (0.073 R)
• M22: 17,097,241 km (0.115 R)
• M23: 17,779,109 km (0.106 R)
• M24: 19,035,731 km (0.107 R)
• M25: 21,288,675 km (0.108 R)
• M26: 22,255,226 km (0.108 R)
• M27: 26,918,192 km (0.115 R)
• M28: 27,530,496 km (0.099 R)
• M29: 28,571,249 km (0.051 R)
• M30: 33,230,175 km (0.099 R)
• M31: 36,106,942 km (0.113 R)
• M32: 36,477,945 km (0.056 R)
• M33: 44,016,032 km (0.102 R)
• M34: 46,742,303 km (0.079 R)
• M35: 47,035,815 km (0.026 R)
• M36: 49,426,987 km (0.056 R)
• M37: 53,323,563 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.4

Radius: 4

Gravity: 39.96 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9 AU - 9.94 AU

Year: 20485 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,558,448 km

• M1: 55,800 km (0.105 R)
• M2: 211,831 km (0.11 R)
• M3: 504,893 km (0.061 R)
• M4: 644,767 km (0.046 R)
• M5: 875,896 km (0.111 R)
• M6: 1,258,118 km (0.108 R)
• M7: 1,707,360 km (0.034 R)
• M8: 2,277,478 km (0.096 R)
• M9: 2,965,479 km (0.088 R)
• M10: 3,399,462 km (0.08 R)
• M11: 4,095,691 km (0.085 R)
• M12: 4,598,040 km (0.077 R)
• M13: 4,738,812 km (0.028 R)
• M14: 5,446,559 km (0.073 R)
• M15: 5,684,121 km (0.113 R)
• M16: 6,053,179 km (0.083 R)
• M17: 7,022,573 km (0.11 R)
• M18: 7,690,827 km (0.107 R)
• M19: 7,839,377 km (0.06 R)
• M20: 10,007,200 km (0.096 R)
• M21: 11,677,311 km (0.059 R)
• M22: 11,939,705 km (0.103 R)
• M23: 12,072,249 km (0.052 R)
• M24: 13,960,025 km (0.111 R)
• M25: 15,636,568 km (0.118 R)
• M26: 18,045,542 km (0.095 R)
• M27: 19,843,858 km (0.116 R)
• M28: 21,758,262 km (0.102 R)
• M29: 22,255,376 km (0.091 R)
• M30: 23,479,236 km (0.11 R)
• M31: 30,896,448 km (0.097 R)
• M32: 31,021,362 km (0.108 R)
• M33: 33,722,352 km (0.06 R)
• M34: 39,881,596 km (0.118 R)
• M35: 40,476,097 km (0.119 R)
• M36: 45,124,552 km (0.079 R)
• M37: 48,245,313 km (0.099 R)
• M38: 48,413,312 km (0.105 R)
• M39: 63,368,461 km (0.089 R)
• M40: 65,816,630 km (0.108 R)
• M41: 66,438,359 km (0.073 R)
• M42: 73,983,777 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit