🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 10.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 13.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,184,261 km

• M1: 125,662 km (0.11 R)
• M2: 479,910 km (0.093 R)
• M3: 887,564 km (0.034 R)
• M4: 1,300,454 km (0.067 R)
• M5: 1,799,214 km (0.091 R)
• M6: 2,517,732 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 9.7

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.5 AU - 0.78 AU

Year: 341 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,184,261 km

• M1: 120,576 km (0.083 R)
• M2: 514,018 km (0.106 R)
• M3: 1,372,560 km (0.092 R)
• M4: 2,135,659 km (0.089 R)
• M5: 2,799,724 km (0.084 R)
• M6: 4,535,359 km (0.049 R)
• M7: 4,901,873 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 9.8

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.55 AU - 0.81 AU

Year: 374 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,184,261 km

• M1: 121,922 km (0.116 R)
• M2: 429,944 km (0.11 R)
• M3: 768,035 km (0.099 R)
• M4: 1,507,647 km (0.091 R)
• M5: 1,934,749 km (0.104 R)
• M6: 2,266,408 km (0.087 R)
• M7: 2,717,146 km (0.115 R)
• M8: 3,024,420 km (0.092 R)
• M9: 3,584,814 km (0.056 R)
• M10: 3,929,637 km (0.115 R)
• M11: 4,268,626 km (0.095 R)
• M12: 4,867,017 km (0.039 R)
• M13: 5,274,971 km (0.111 R)
• M14: 5,671,554 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 14.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.85 AU - 1.31 AU

Year: 748 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,184,261 km

• M1: 179,069 km (0.117 R)
• M2: 849,866 km (0.039 R)
• M3: 1,325,886 km (0.105 R)
• M4: 2,004,761 km (0.105 R)
• M5: 2,741,830 km (0.085 R)
• M6: 3,654,377 km (0.093 R)
• M7: 4,540,146 km (0.096 R)
• M8: 5,299,804 km (0.098 R)
• M9: 6,163,582 km (0.068 R)
• M10: 7,899,516 km (0.114 R)
• M11: 9,081,488 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 11.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.83 AU - 2.21 AU

Year: 1915 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,184,261 km

• M1: 140,622 km (0.096 R)
• M2: 688,898 km (0.07 R)
• M3: 1,578,407 km (0.088 R)
• M4: 1,934,151 km (0.078 R)
• M5: 3,005,122 km (0.101 R)
• M6: 3,887,001 km (0.08 R)
• M7: 4,270,720 km (0.068 R)
• M8: 5,155,741 km (0.099 R)
• M9: 5,707,757 km (0.107 R)
• M10: 6,205,469 km (0.1 R)
• M11: 7,210,169 km (0.078 R)
• M12: 7,765,326 km (0.109 R)
• M13: 8,263,637 km (0.111 R)
• M14: 9,416,887 km (0.092 R)
• M15: 9,792,527 km (0.104 R)
• M16: 10,276,027 km (0.093 R)
• M17: 11,256,193 km (0.115 R)
• M18: 11,859,222 km (0.071 R)
• M19: 12,408,994 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.2

Radius: 4.8

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.38 AU - 8.46 AU

Year: 12139 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,184,261 km

• M1: 59,690 km (0.097 R)
• M2: 410,048 km (0.098 R)
• M3: 737,368 km (0.06 R)
• M4: 912,996 km (0.062 R)
• M5: 1,082,490 km (0.048 R)
• M6: 1,298,510 km (0.088 R)
• M7: 1,849,927 km (0.102 R)
• M8: 2,070,734 km (0.101 R)
• M9: 2,544,660 km (0.074 R)
• M10: 5,245,799 km (0.092 R)
• M11: 6,231,350 km (0.076 R)
• M12: 6,767,658 km (0.073 R)
• M13: 7,334,185 km (0.115 R)
• M14: 10,596,017 km (0.068 R)
• M15: 10,918,550 km (0.083 R)
• M16: 11,137,113 km (0.059 R)
• M17: 12,333,148 km (0.108 R)
• M18: 13,300,148 km (0.065 R)
• M19: 14,057,712 km (0.116 R)
• M20: 17,976,727 km (0.094 R)
• M21: 19,616,470 km (0.104 R)
• M22: 19,858,519 km (0.105 R)
• M23: 21,268,329 km (0.101 R)
• M24: 21,523,842 km (0.107 R)
• M25: 22,832,225 km (0.069 R)
• M26: 24,564,569 km (0.096 R)
• M27: 25,895,691 km (0.107 R)
• M28: 36,221,684 km (0.066 R)
• M29: 39,461,974 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792

Radius: 4.7

Gravity: 35.85 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.87 AU - 8.13 AU

Year: 15089 Days

Day: 17.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,184,261 km

• M1: 58,493 km (0.104 R)
• M2: 247,734 km (0.027 R)
• M3: 533,765 km (0.09 R)
• M4: 706,551 km (0.101 R)
• M5: 1,054,964 km (0.03 R)
• M6: 2,009,399 km (0.08 R)
• M7: 2,307,547 km (0.116 R)
• M8: 2,522,220 km (0.07 R)
• M9: 3,601,718 km (0.059 R)
• M10: 4,102,871 km (0.078 R)
• M11: 4,784,738 km (0.065 R)
• M12: 5,206,604 km (0.091 R)
• M13: 5,576,859 km (0.108 R)
• M14: 6,328,439 km (0.091 R)
• M15: 7,280,330 km (0.1 R)
• M16: 7,790,608 km (0.052 R)
• M17: 8,127,353 km (0.085 R)
• M18: 8,676,228 km (0.099 R)
• M19: 9,090,614 km (0.087 R)
• M20: 9,464,010 km (0.075 R)
• M21: 11,609,094 km (0.105 R)
• M22: 11,796,091 km (0.104 R)
• M23: 12,629,651 km (0.09 R)
• M24: 13,094,302 km (0.083 R)
• M25: 14,629,176 km (0.026 R)
• M26: 15,666,039 km (0.058 R)
• M27: 16,671,935 km (0.073 R)
• M28: 17,150,349 km (0.078 R)
• M29: 20,850,502 km (0.112 R)
• M30: 22,739,624 km (0.111 R)
• M31: 23,229,109 km (0.115 R)
• M32: 25,994,575 km (0.064 R)
• M33: 28,291,351 km (0.096 R)
• M34: 50,881,078 km (0.049 R)
• M35: 51,382,081 km (0.11 R)
• M36: 61,725,727 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 20,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit