🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 12.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.53 AU - 0.85 AU

Year: 396 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,402,527 km

• M1: 165,754 km (0.099 R)
• M2: 618,587 km (0.103 R)
• M3: 1,330,374 km (0.066 R)
• M4: 1,721,722 km (0.053 R)
• M5: 2,746,767 km (0.103 R)
• M6: 3,253,006 km (0.104 R)
• M7: 4,104,666 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.6

Radius: 12

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.9 AU - 1.34 AU

Year: 818 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,402,527 km

• M1: 149,299 km (0.096 R)
• M2: 523,443 km (0.071 R)
• M3: 1,005,447 km (0.111 R)
• M4: 2,121,896 km (0.113 R)
• M5: 2,696,053 km (0.085 R)
• M6: 3,268,863 km (0.075 R)
• M7: 3,892,985 km (0.082 R)
• M8: 4,310,812 km (0.03 R)
• M9: 4,824,980 km (0.06 R)
• M10: 5,881,141 km (0.11 R)
• M11: 7,688,433 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 8.9

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.88 AU - 1.42 AU

Year: 851 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,402,527 km

• M1: 110,702 km (0.038 R)
• M2: 449,392 km (0.075 R)
• M3: 904,618 km (0.049 R)
• M4: 1,380,040 km (0.041 R)
• M5: 1,676,244 km (0.099 R)
• M6: 2,546,455 km (0.12 R)
• M7: 3,036,388 km (0.11 R)
• M8: 3,573,444 km (0.115 R)
• M9: 4,607,764 km (0.117 R)
• M10: 4,908,755 km (0.08 R)
• M11: 5,222,761 km (0.091 R)
• M12: 5,952,948 km (0.059 R)
• M13: 6,310,487 km (0.079 R)
• M14: 6,930,869 km (0.032 R)
• M15: 7,255,946 km (0.069 R)
• M16: 8,686,101 km (0.108 R)
• M17: 9,481,812 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 9.8

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.48 AU - 1.72 AU

Year: 1397 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,402,527 km

• M1: 122,072 km (0.101 R)
• M2: 502,948 km (0.103 R)
• M3: 1,320,500 km (0.102 R)
• M4: 1,677,142 km (0.044 R)
• M5: 2,121,148 km (0.117 R)
• M6: 2,615,868 km (0.114 R)
• M7: 3,036,089 km (0.096 R)
• M8: 3,666,494 km (0.114 R)
• M9: 4,287,625 km (0.059 R)
• M10: 5,039,653 km (0.043 R)
• M11: 6,753,895 km (0.085 R)
• M12: 9,166,909 km (0.085 R)
• M13: 10,309,836 km (0.09 R)
• M14: 11,953,169 km (0.089 R)
• M15: 12,758,754 km (0.078 R)
• M16: 13,235,073 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 9.9

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.93 AU - 3.11 AU

Year: 2761 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,402,527 km

• M1: 123,717 km (0.114 R)
• M2: 443,109 km (0.104 R)
• M3: 757,414 km (0.09 R)
• M4: 1,257,520 km (0.11 R)
• M5: 1,600,996 km (0.101 R)
• M6: 2,139,698 km (0.067 R)
• M7: 2,573,682 km (0.053 R)
• M8: 3,225,180 km (0.114 R)
• M9: 3,639,118 km (0.11 R)
• M10: 4,088,360 km (0.043 R)
• M11: 4,666,706 km (0.068 R)
• M12: 6,181,982 km (0.116 R)
• M13: 7,572,943 km (0.099 R)
• M14: 8,001,242 km (0.117 R)
• M15: 9,052,018 km (0.111 R)
• M16: 9,459,522 km (0.119 R)
• M17: 10,152,609 km (0.101 R)
• M18: 12,663,909 km (0.096 R)
• M19: 13,940,726 km (0.109 R)
• M20: 14,285,250 km (0.111 R)
• M21: 14,940,339 km (0.109 R)
• M22: 16,040,781 km (0.098 R)
• M23: 18,284,899 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.8

Radius: 12.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.45 AU - 3.17 AU

Year: 3251 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,402,527 km

• M1: 164,109 km (0.07 R)
• M2: 685,757 km (0.081 R)
• M3: 1,748,051 km (0.09 R)
• M4: 2,481,081 km (0.056 R)
• M5: 3,108,345 km (0.109 R)
• M6: 3,733,514 km (0.046 R)
• M7: 4,662,218 km (0.059 R)
• M8: 6,425,977 km (0.106 R)
• M9: 8,081,726 km (0.074 R)
• M10: 13,652,152 km (0.102 R)
• M11: 14,921,640 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 11.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.01 AU - 5.25 AU

Year: 6877 Days

Day: 7.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,402,527 km

• M1: 139,276 km (0.094 R)
• M2: 548,875 km (0.041 R)
• M3: 994,377 km (0.112 R)
• M4: 1,682,527 km (0.107 R)
• M5: 2,230,654 km (0.025 R)
• M6: 2,684,983 km (0.065 R)
• M7: 3,460,348 km (0.07 R)
• M8: 4,592,056 km (0.119 R)
• M9: 6,351,776 km (0.033 R)
• M10: 6,872,077 km (0.108 R)
• M11: 9,507,543 km (0.073 R)
• M12: 10,806,501 km (0.026 R)
• M13: 12,011,213 km (0.103 R)
• M14: 15,412,021 km (0.088 R)
• M15: 15,909,285 km (0.057 R)
• M16: 16,675,375 km (0.077 R)
• M17: 17,734,678 km (0.027 R)
• M18: 18,558,364 km (0.099 R)
• M19: 22,345,434 km (0.095 R)
• M20: 23,796,832 km (0.074 R)
• M21: 27,516,733 km (0.094 R)
• M22: 27,973,007 km (0.098 R)
• M23: 28,527,117 km (0.107 R)
• M24: 33,022,384 km (0.106 R)
• M25: 34,690,549 km (0.101 R)
• M26: 35,330,380 km (0.11 R)
• M27: 35,761,221 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742

Radius: 3.9

Gravity: 48.78 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.51 AU - 12.11 AU

Year: 22851 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,402,527 km

• M1: 48,919 km (0.093 R)
• M2: 188,793 km (0.036 R)
• M3: 330,910 km (0.111 R)
• M4: 827,725 km (0.118 R)
• M5: 1,288,486 km (0.099 R)
• M6: 1,480,570 km (0.049 R)
• M7: 3,462,742 km (0.084 R)
• M8: 4,769,180 km (0.049 R)
• M9: 7,122,803 km (0.102 R)
• M10: 7,930,482 km (0.025 R)
• M11: 10,151,861 km (0.071 R)
• M12: 10,400,942 km (0.114 R)
• M13: 11,437,505 km (0.093 R)
• M14: 13,414,142 km (0.089 R)
• M15: 14,640,096 km (0.119 R)
• M16: 15,443,138 km (0.088 R)
• M17: 16,530,415 km (0.069 R)
• M18: 16,788,322 km (0.102 R)
• M19: 19,137,756 km (0.073 R)
• M20: 29,576,546 km (0.092 R)
• M21: 32,440,597 km (0.1 R)
• M22: 32,709,874 km (0.091 R)
• M23: 37,962,255 km (0.107 R)
• M24: 39,015,424 km (0.101 R)
• M25: 40,553,440 km (0.072 R)
• M26: 44,243,271 km (0.074 R)
• M27: 45,745,982 km (0.093 R)
• M28: 54,527,975 km (0.069 R)
• M29: 62,064,417 km (0.076 R)
• M30: 63,104,870 km (0.047 R)
• M31: 72,308,430 km (0.105 R)
• M32: 84,128,607 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 10,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit