🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 10.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 12.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,014,831 km

• M1: 130,599 km (0.071 R)
• M2: 491,878 km (0.076 R)
• M3: 927,656 km (0.082 R)
• M4: 1,259,464 km (0.118 R)
• M5: 1,696,141 km (0.117 R)
• M6: 2,106,039 km (0.114 R)
• M7: 2,448,768 km (0.117 R)
• M8: 2,820,518 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.2

Radius: 8.1

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 14.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,014,831 km

• M1: 100,679 km (0.11 R)
• M2: 380,727 km (0.067 R)
• M3: 750,084 km (0.109 R)
• M4: 1,236,726 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 13.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.61 AU - 0.61 AU

Year: 323 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,014,831 km

• M1: 165,455 km (0.111 R)
• M2: 733,179 km (0.083 R)
• M3: 1,191,397 km (0.095 R)
• M4: 1,764,058 km (0.12 R)
• M5: 2,223,174 km (0.104 R)
• M6: 2,725,524 km (0.09 R)
• M7: 3,229,668 km (0.05 R)
• M8: 3,656,920 km (0.036 R)
• M9: 4,427,947 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.9

Radius: 12.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.11 AU - 1.25 AU

Year: 869 Days

Day: 8.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,014,831 km

• M1: 163,959 km (0.099 R)
• M2: 727,345 km (0.03 R)
• M3: 1,347,877 km (0.12 R)
• M4: 2,042,609 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 11.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.27 AU - 1.39 AU

Year: 1040 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,014,831 km

• M1: 147,952 km (0.108 R)
• M2: 538,104 km (0.096 R)
• M3: 915,389 km (0.114 R)
• M4: 1,335,909 km (0.077 R)
• M5: 1,887,327 km (0.074 R)
• M6: 2,380,701 km (0.038 R)
• M7: 2,856,871 km (0.071 R)
• M8: 3,396,320 km (0.038 R)
• M9: 4,100,029 km (0.088 R)
• M10: 4,752,724 km (0.092 R)
• M11: 5,199,872 km (0.1 R)
• M12: 5,818,908 km (0.118 R)
• M13: 6,244,066 km (0.102 R)
• M14: 7,596,131 km (0.038 R)
• M15: 9,304,688 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 13.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.56 AU - 2 AU

Year: 1611 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,014,831 km

• M1: 170,691 km (0.118 R)
• M2: 640,129 km (0.056 R)
• M3: 1,258,268 km (0.114 R)
• M4: 1,825,842 km (0.102 R)
• M5: 2,300,965 km (0.105 R)
• M6: 2,915,812 km (0.108 R)
• M7: 3,722,444 km (0.09 R)
• M8: 5,185,361 km (0.092 R)
• M9: 6,035,676 km (0.052 R)
• M10: 7,620,665 km (0.073 R)
• M11: 8,842,431 km (0.075 R)
• M12: 9,372,606 km (0.114 R)
• M13: 10,844,050 km (0.101 R)
• M14: 11,488,668 km (0.068 R)
• M15: 11,969,924 km (0.112 R)
• M16: 12,464,644 km (0.059 R)
• M17: 13,052,564 km (0.094 R)
• M18: 13,865,030 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 8

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.53 AU - 2.23 AU

Year: 1748 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,014,831 km

• M1: 99,782 km (0.079 R)
• M2: 391,498 km (0.113 R)
• M3: 741,706 km (0.116 R)
• M4: 990,787 km (0.087 R)
• M5: 1,390,063 km (0.095 R)
• M6: 1,686,866 km (0.115 R)
• M7: 2,152,863 km (0.053 R)
• M8: 2,566,651 km (0.071 R)
• M9: 2,828,297 km (0.113 R)
• M10: 3,570,303 km (0.101 R)
• M11: 4,226,140 km (0.094 R)
• M12: 4,533,713 km (0.078 R)
• M13: 5,324,188 km (0.116 R)
• M14: 5,592,118 km (0.118 R)
• M15: 5,869,024 km (0.091 R)
• M16: 6,400,545 km (0.04 R)
• M17: 7,016,589 km (0.106 R)
• M18: 7,869,895 km (0.071 R)
• M19: 8,977,069 km (0.069 R)
• M20: 9,551,674 km (0.051 R)
• M21: 10,528,698 km (0.078 R)
• M22: 10,987,664 km (0.105 R)
• M23: 12,838,639 km (0.093 R)
• M24: 13,199,918 km (0.088 R)
• M25: 13,859,046 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 10.4

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.98 AU - 2.58 AU

Year: 2335 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,014,831 km

• M1: 130,001 km (0.074 R)
• M2: 538,552 km (0.076 R)
• M3: 989,440 km (0.106 R)
• M4: 1,440,927 km (0.099 R)
• M5: 2,027,799 km (0.083 R)
• M6: 2,370,528 km (0.097 R)
• M7: 2,846,099 km (0.099 R)
• M8: 3,192,269 km (0.1 R)
• M9: 3,548,013 km (0.098 R)
• M10: 4,468,788 km (0.12 R)
• M11: 4,915,786 km (0.086 R)
• M12: 5,367,871 km (0.076 R)
• M13: 5,847,631 km (0.097 R)
• M14: 6,219,382 km (0.112 R)
• M15: 7,646,546 km (0.094 R)
• M16: 9,209,843 km (0.057 R)
• M17: 9,604,632 km (0.054 R)
• M18: 11,176,607 km (0.102 R)
• M19: 14,151,360 km (0.07 R)
• M20: 17,507,888 km (0.087 R)
• M21: 19,663,593 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.8

Radius: 5.5

Gravity: 24.82 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.48 AU - 5.96 AU

Year: 9279 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,014,831 km

• M1: 68,366 km (0.085 R)
• M2: 253,568 km (0.05 R)
• M3: 461,061 km (0.086 R)
• M4: 865,274 km (0.088 R)
• M5: 1,249,292 km (0.098 R)
• M6: 1,440,029 km (0.093 R)
• M7: 1,740,272 km (0.033 R)
• M8: 2,544,061 km (0.086 R)
• M9: 3,005,870 km (0.107 R)
• M10: 3,375,526 km (0.098 R)
• M11: 4,637,983 km (0.108 R)
• M12: 7,217,050 km (0.1 R)
• M13: 8,007,675 km (0.093 R)
• M14: 8,313,004 km (0.111 R)
• M15: 9,467,152 km (0.089 R)
• M16: 9,759,316 km (0.094 R)
• M17: 10,208,858 km (0.109 R)
• M18: 10,776,881 km (0.09 R)
• M19: 12,260,144 km (0.097 R)
• M20: 12,961,010 km (0.097 R)
• M21: 17,591,064 km (0.118 R)
• M22: 21,417,628 km (0.12 R)
• M23: 21,668,504 km (0.114 R)
• M24: 22,778,071 km (0.08 R)
• M25: 24,741,543 km (0.114 R)
• M26: 26,621,689 km (0.079 R)
• M27: 31,411,065 km (0.097 R)
• M28: 35,097,156 km (0.111 R)
• M29: 41,733,468 km (0.077 R)
• M30: 46,035,902 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 10,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit