🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.9

Radius: 11

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,241,852 km

• M1: 136,732 km (0.062 R)
• M2: 513,420 km (0.063 R)
• M3: 961,466 km (0.108 R)
• M4: 1,306,887 km (0.109 R)
• M5: 1,991,297 km (0.071 R)
• M6: 2,480,183 km (0.088 R)
• M7: 3,221,291 km (0.072 R)
• M8: 3,599,325 km (0.06 R)
• M9: 4,380,824 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 13

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.7 AU - 1.12 AU

Year: 579 Days

Day: 7.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,241,852 km

• M1: 161,715 km (0.083 R)
• M2: 674,088 km (0.102 R)
• M3: 1,258,716 km (0.11 R)
• M4: 1,841,251 km (0.09 R)
• M5: 2,455,499 km (0.08 R)
• M6: 2,942,441 km (0.096 R)
• M7: 3,546,068 km (0.118 R)
• M8: 4,201,755 km (0.12 R)
• M9: 4,614,047 km (0.099 R)
• M10: 5,189,101 km (0.062 R)
• M11: 5,923,328 km (0.103 R)
• M12: 6,404,285 km (0.101 R)
• M13: 6,849,039 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 9.6

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.22 AU - 1.46 AU

Year: 1034 Days

Day: 14.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,241,852 km

• M1: 119,379 km (0.051 R)
• M2: 473,926 km (0.093 R)
• M3: 938,128 km (0.072 R)
• M4: 1,334,862 km (0.101 R)
• M5: 1,767,050 km (0.098 R)
• M6: 2,148,225 km (0.115 R)
• M7: 2,452,059 km (0.111 R)
• M8: 3,064,363 km (0.054 R)
• M9: 3,527,069 km (0.12 R)
• M10: 3,855,586 km (0.045 R)
• M11: 4,395,933 km (0.11 R)
• M12: 4,795,958 km (0.071 R)
• M13: 5,260,011 km (0.11 R)
• M14: 6,100,152 km (0.078 R)
• M15: 6,529,349 km (0.09 R)
• M16: 7,223,184 km (0.119 R)
• M17: 9,452,341 km (0.08 R)
• M18: 10,403,335 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 9.3

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.4 AU - 1.64 AU

Year: 1250 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,241,852 km

• M1: 115,639 km (0.086 R)
• M2: 407,505 km (0.042 R)
• M3: 858,991 km (0.069 R)
• M4: 1,169,407 km (0.072 R)
• M5: 1,475,783 km (0.028 R)
• M6: 1,951,504 km (0.117 R)
• M7: 2,488,710 km (0.092 R)
• M8: 2,834,132 km (0.055 R)
• M9: 3,412,776 km (0.069 R)
• M10: 4,158,073 km (0.06 R)
• M11: 4,550,169 km (0.085 R)
• M12: 6,085,791 km (0.029 R)
• M13: 7,258,489 km (0.078 R)
• M14: 7,884,257 km (0.118 R)
• M15: 8,369,702 km (0.105 R)
• M16: 8,996,816 km (0.056 R)
• M17: 11,422,097 km (0.09 R)
• M18: 13,196,477 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 13.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.64 AU - 2.06 AU

Year: 1678 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,241,852 km

• M1: 177,273 km (0.109 R)
• M2: 953,686 km (0.063 R)
• M3: 1,384,678 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 13

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.17 AU - 3.67 AU

Year: 4218 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,241,852 km

• M1: 161,715 km (0.114 R)
• M2: 796,309 km (0.037 R)
• M3: 1,845,589 km (0.091 R)
• M4: 2,999,138 km (0.075 R)
• M5: 4,330,709 km (0.094 R)
• M6: 6,861,157 km (0.115 R)
• M7: 7,460,745 km (0.037 R)
• M8: 9,704,713 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 10

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.65 AU - 5.33 AU

Year: 7433 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,241,852 km

• M1: 129,552 km (0.105 R)
• M2: 1,678,488 km (0.097 R)
• M3: 3,358,023 km (0.083 R)
• M4: 3,907,197 km (0.087 R)
• M5: 4,683,012 km (0.107 R)
• M6: 5,316,409 km (0.088 R)
• M7: 8,399,172 km (0.04 R)
• M8: 10,379,100 km (0.043 R)
• M9: 12,368,902 km (0.089 R)
• M10: 12,699,812 km (0.11 R)
• M11: 14,443,974 km (0.099 R)
• M12: 15,673,818 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 13.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.71 AU - 6.51 AU

Year: 8861 Days

Day: 9.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,241,852 km

• M1: 172,935 km (0.047 R)
• M2: 1,158,785 km (0.106 R)
• M3: 1,853,966 km (0.1 R)
• M4: 3,130,335 km (0.092 R)
• M5: 4,957,374 km (0.091 R)
• M6: 5,878,149 km (0.056 R)
• M7: 6,945,380 km (0.12 R)
• M8: 11,169,276 km (0.053 R)
• M9: 16,101,219 km (0.091 R)
• M10: 21,555,258 km (0.077 R)
• M11: 23,189,316 km (0.087 R)
• M12: 24,821,129 km (0.117 R)
• M13: 28,863,114 km (0.12 R)
• M14: 29,608,261 km (0.116 R)
• M15: 31,822,160 km (0.112 R)
• M16: 34,455,531 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.4

Radius: 8

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.26 AU - 8.7 AU

Year: 12297 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,241,852 km

• M1: 99,483 km (0.085 R)
• M2: 359,783 km (0.086 R)
• M3: 729,888 km (0.098 R)
• M4: 1,258,567 km (0.026 R)
• M5: 2,349,135 km (0.115 R)
• M6: 2,861,658 km (0.089 R)
• M7: 3,598,577 km (0.05 R)
• M8: 5,274,821 km (0.088 R)
• M9: 6,646,933 km (0.07 R)
• M10: 8,332,901 km (0.081 R)
• M11: 9,570,673 km (0.102 R)
• M12: 9,923,874 km (0.033 R)
• M13: 10,710,310 km (0.05 R)
• M14: 11,091,037 km (0.081 R)
• M15: 11,368,690 km (0.032 R)
• M16: 12,347,210 km (0.111 R)
• M17: 15,412,470 km (0.075 R)
• M18: 16,609,702 km (0.085 R)
• M19: 17,194,031 km (0.049 R)
• M20: 17,566,231 km (0.112 R)
• M21: 18,558,962 km (0.113 R)
• M22: 19,913,122 km (0.069 R)
• M23: 21,246,488 km (0.06 R)
• M24: 22,022,303 km (0.076 R)
• M25: 27,581,808 km (0.08 R)
• M26: 32,856,330 km (0.109 R)
• M27: 35,189,758 km (0.096 R)
• M28: 36,031,844 km (0.086 R)
• M29: 38,893,502 km (0.091 R)
• M30: 40,183,783 km (0.055 R)
• M31: 41,236,204 km (0.08 R)
• M32: 42,442,113 km (0.113 R)
• M33: 43,671,358 km (0.048 R)
• M34: 50,024,182 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: 459 - 14,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit