🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146

Radius: 10.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.57 AU - 0.77 AU

Year: 366 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,025,668 km

• M1: 128,056 km (0.052 R)
• M2: 482,004 km (0.05 R)
• M3: 825,182 km (0.098 R)
• M4: 1,238,970 km (0.042 R)
• M5: 1,796,820 km (0.094 R)
• M6: 2,141,793 km (0.065 R)
• M7: 2,484,821 km (0.119 R)
• M8: 2,916,111 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 14

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,025,668 km

• M1: 174,730 km (0.096 R)
• M2: 656,286 km (0.105 R)
• M3: 1,102,237 km (0.103 R)
• M4: 1,578,108 km (0.046 R)
• M5: 2,295,579 km (0.118 R)
• M6: 2,875,720 km (0.081 R)
• M7: 4,624,369 km (0.052 R)
• M8: 5,228,446 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 10.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.74 AU - 5.54 AU

Year: 6665 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,025,668 km

• M1: 131,197 km (0.116 R)
• M2: 954,434 km (0.096 R)
• M3: 1,519,316 km (0.116 R)
• M4: 2,988,816 km (0.093 R)
• M5: 4,534,162 km (0.09 R)
• M6: 4,998,364 km (0.091 R)
• M7: 5,806,941 km (0.068 R)
• M8: 7,088,546 km (0.084 R)
• M9: 8,276,353 km (0.053 R)
• M10: 8,619,081 km (0.118 R)
• M11: 9,043,042 km (0.069 R)
• M12: 9,480,615 km (0.109 R)
• M13: 12,233,815 km (0.078 R)
• M14: 13,367,916 km (0.039 R)
• M15: 18,964,073 km (0.056 R)
• M16: 19,320,864 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 5.4

Gravity: 26.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.78 AU - 7.12 AU

Year: 9678 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,025,668 km

• M1: 70,461 km (0.102 R)
• M2: 314,754 km (0.118 R)
• M3: 1,707,061 km (0.101 R)
• M4: 2,065,498 km (0.05 R)
• M5: 4,804,036 km (0.052 R)
• M6: 6,484,768 km (0.103 R)
• M7: 7,645,349 km (0.045 R)
• M8: 8,985,147 km (0.12 R)
• M9: 9,960,825 km (0.1 R)
• M10: 11,442,442 km (0.077 R)
• M11: 18,307,339 km (0.108 R)
• M12: 23,428,971 km (0.111 R)
• M13: 24,704,742 km (0.093 R)
• M14: 31,346,289 km (0.119 R)
• M15: 32,781,232 km (0.061 R)
• M16: 34,029,177 km (0.081 R)
• M17: 40,230,607 km (0.091 R)
• M18: 43,663,879 km (0.099 R)

Asteroid Belt

Center: 6.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.8

Radius: 6.1

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.94 AU - 7.72 AU

Year: 11903 Days

Day: 22 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 29,025,668 km

• M1: 75,846 km (0.027 R)
• M2: 362,775 km (0.116 R)
• M3: 888,462 km (0.102 R)
• M4: 1,628,672 km (0.116 R)
• M5: 1,849,478 km (0.08 R)
• M6: 2,181,137 km (0.057 R)
• M7: 2,807,204 km (0.068 R)
• M8: 3,495,055 km (0.051 R)
• M9: 3,947,439 km (0.05 R)
• M10: 5,680,830 km (0.117 R)
• M11: 6,267,852 km (0.077 R)
• M12: 6,733,999 km (0.11 R)
• M13: 6,934,908 km (0.078 R)
• M14: 7,264,772 km (0.12 R)
• M15: 7,779,089 km (0.085 R)
• M16: 8,226,088 km (0.1 R)
• M17: 9,024,791 km (0.086 R)
• M18: 12,080,926 km (0.102 R)
• M19: 12,802,287 km (0.03 R)
• M20: 13,425,063 km (0.059 R)
• M21: 15,623,553 km (0.12 R)
• M22: 19,966,977 km (0.1 R)
• M23: 28,988,926 km (0.086 R)
• M24: 32,170,424 km (0.067 R)
• M25: 39,216,483 km (0.029 R)
• M26: 39,868,132 km (0.092 R)
• M27: 41,731,074 km (0.059 R)
• M28: 42,273,665 km (0.113 R)
• M29: 42,546,831 km (0.105 R)
• M30: 44,774,344 km (0.119 R)
• M31: 51,298,755 km (0.078 R)
• M32: 52,234,789 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.1

Radius: 5.9

Gravity: 18.59 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.36 AU - 9.72 AU

Year: 19650 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 29,025,668 km

• M1: 73,602 km (0.035 R)
• M2: 275,709 km (0.05 R)
• M3: 571,015 km (0.104 R)
• M4: 879,785 km (0.117 R)
• M5: 1,253,032 km (0.055 R)
• M6: 1,573,171 km (0.087 R)
• M7: 1,779,766 km (0.097 R)
• M8: 2,024,059 km (0.12 R)
• M9: 2,355,418 km (0.099 R)
• M10: 2,996,146 km (0.064 R)
• M11: 3,455,412 km (0.114 R)
• M12: 3,960,454 km (0.078 R)
• M13: 7,062,515 km (0.067 R)
• M14: 9,177,081 km (0.119 R)
• M15: 9,510,086 km (0.052 R)
• M16: 9,851,169 km (0.112 R)
• M17: 10,378,053 km (0.083 R)
• M18: 15,444,035 km (0.064 R)
• M19: 16,396,226 km (0.096 R)
• M20: 17,386,863 km (0.077 R)
• M21: 19,760,682 km (0.09 R)
• M22: 20,316,139 km (0.062 R)
• M23: 26,455,187 km (0.057 R)
• M24: 30,798,312 km (0.076 R)
• M25: 36,415,562 km (0.117 R)
• M26: 39,391,513 km (0.089 R)
• M27: 40,863,855 km (0.063 R)
• M28: 41,764,734 km (0.096 R)
• M29: 44,863,205 km (0.057 R)
• M30: 46,794,064 km (0.113 R)
• M31: 48,779,527 km (0.087 R)
• M32: 51,166,212 km (0.053 R)
• M33: 52,917,704 km (0.093 R)
• M34: 54,527,975 km (0.094 R)
• M35: 55,071,913 km (0.028 R)
• M36: 58,981,354 km (0.096 R)
• M37: 61,101,006 km (0.074 R)
• M38: 64,881,045 km (0.084 R)
• M39: 67,139,225 km (0.117 R)
• M40: 72,683,771 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.3

Radius: 5.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.01 AU - 10.25 AU

Year: 19928 Days

Day: 16.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,025,668 km

• M1: 65,973 km (0.078 R)
• M2: 311,762 km (0.067 R)
• M3: 507,586 km (0.069 R)
• M4: 1,509,143 km (0.106 R)
• M5: 2,273,439 km (0.064 R)
• M6: 2,977,596 km (0.102 R)
• M7: 3,817,738 km (0.077 R)
• M8: 4,280,444 km (0.08 R)
• M9: 5,043,543 km (0.051 R)
• M10: 13,286,984 km (0.063 R)
• M11: 15,456,302 km (0.071 R)
• M12: 21,889,160 km (0.114 R)
• M13: 22,911,961 km (0.081 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 18,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit