🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 9.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.39 AU - 1.39 AU

Year: 1058 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,341,348 km

• M1: 121,922 km (0.097 R)
• M2: 514,766 km (0.086 R)
• M3: 1,000,511 km (0.066 R)
• M4: 2,452,657 km (0.086 R)
• M5: 3,075,583 km (0.098 R)
• M6: 4,118,130 km (0.07 R)
• M7: 4,483,448 km (0.103 R)
• M8: 5,113,106 km (0.103 R)
• M9: 5,800,657 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 14.8

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.52 AU - 1.56 AU

Year: 1234 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,341,348 km

• M1: 184,305 km (0.072 R)
• M2: 684,261 km (0.102 R)
• M3: 1,147,116 km (0.119 R)
• M4: 1,687,015 km (0.116 R)
• M5: 3,119,415 km (0.034 R)
• M6: 4,682,713 km (0.095 R)
• M7: 5,145,269 km (0.119 R)
• M8: 6,268,151 km (0.108 R)
• M9: 6,876,715 km (0.032 R)
• M10: 7,359,018 km (0.102 R)
• M11: 8,521,095 km (0.054 R)
• M12: 9,297,208 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 12.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.46 AU - 4.06 AU

Year: 4708 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,341,348 km

• M1: 155,582 km (0.034 R)
• M2: 987,944 km (0.076 R)
• M3: 2,021,217 km (0.095 R)
• M4: 2,449,216 km (0.055 R)
• M5: 3,254,502 km (0.068 R)
• M6: 4,586,372 km (0.081 R)
• M7: 5,041,747 km (0.118 R)
• M8: 5,444,166 km (0.111 R)
• M9: 6,014,433 km (0.039 R)
• M10: 7,009,857 km (0.118 R)
• M11: 12,065,966 km (0.025 R)
• M12: 13,491,783 km (0.115 R)
• M13: 15,526,464 km (0.111 R)
• M14: 16,675,974 km (0.093 R)
• M15: 17,331,961 km (0.077 R)
• M16: 18,316,763 km (0.104 R)
• M17: 19,863,456 km (0.093 R)
• M18: 23,808,352 km (0.109 R)
• M19: 25,413,686 km (0.048 R)
• M20: 27,747,413 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 12

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.52 AU - 4.06 AU

Year: 4764 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,341,348 km

• M1: 150,196 km (0.076 R)
• M2: 726,597 km (0.091 R)
• M3: 1,195,885 km (0.085 R)
• M4: 1,949,559 km (0.097 R)
• M5: 3,533,053 km (0.076 R)
• M6: 3,923,952 km (0.112 R)
• M7: 4,665,808 km (0.097 R)
• M8: 5,247,295 km (0.083 R)
• M9: 6,057,068 km (0.102 R)
• M10: 8,257,354 km (0.092 R)
• M11: 8,754,467 km (0.06 R)
• M12: 9,312,019 km (0.048 R)
• M13: 10,020,813 km (0.096 R)
• M14: 11,546,113 km (0.054 R)
• M15: 13,118,387 km (0.073 R)
• M16: 15,795,740 km (0.119 R)
• M17: 18,364,784 km (0.064 R)
• M18: 19,147,181 km (0.067 R)
• M19: 19,883,801 km (0.078 R)
• M20: 21,916,537 km (0.119 R)
• M21: 23,930,423 km (0.112 R)
• M22: 25,821,490 km (0.054 R)
• M23: 26,638,145 km (0.066 R)
• M24: 27,052,830 km (0.105 R)
• M25: 28,668,338 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133

Radius: 8.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.8 AU - 3.86 AU

Year: 4840 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,341,348 km

• M1: 110,852 km (0.104 R)
• M2: 389,254 km (0.1 R)
• M3: 710,590 km (0.083 R)
• M4: 2,074,025 km (0.094 R)
• M5: 2,728,366 km (0.074 R)
• M6: 3,691,327 km (0.087 R)
• M7: 5,719,127 km (0.103 R)
• M8: 8,491,624 km (0.113 R)
• M9: 11,537,437 km (0.036 R)
• M10: 12,794,059 km (0.073 R)
• M11: 15,529,007 km (0.12 R)
• M12: 16,109,596 km (0.08 R)
• M13: 16,855,491 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 10.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.16 AU - 4.26 AU

Year: 5577 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,341,348 km

• M1: 127,757 km (0.101 R)
• M2: 547,678 km (0.061 R)
• M3: 942,915 km (0.088 R)
• M4: 1,541,456 km (0.098 R)
• M5: 3,961,501 km (0.117 R)
• M6: 5,410,506 km (0.074 R)
• M7: 5,815,318 km (0.037 R)
• M8: 6,211,453 km (0.106 R)
• M9: 6,808,498 km (0.069 R)
• M10: 8,082,773 km (0.073 R)
• M11: 14,532,386 km (0.084 R)
• M12: 15,584,807 km (0.091 R)
• M13: 19,046,801 km (0.071 R)
• M14: 20,370,742 km (0.075 R)
• M15: 21,353,301 km (0.078 R)
• M16: 23,130,823 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452

Radius: 3

Gravity: 50.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.62 AU - 13.22 AU

Year: 23300 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,341,348 km

• M1: 40,990 km (0.105 R)
• M2: 187,446 km (0.075 R)
• M3: 284,685 km (0.088 R)
• M4: 486,492 km (0.025 R)
• M5: 623,674 km (0.12 R)
• M6: 952,639 km (0.099 R)
• M7: 1,102,237 km (0.104 R)
• M8: 1,224,459 km (0.089 R)
• M9: 1,900,192 km (0.069 R)
• M10: 1,996,832 km (0.095 R)
• M11: 2,199,986 km (0.092 R)
• M12: 4,059,637 km (0.056 R)
• M13: 4,728,789 km (0.108 R)
• M14: 7,503,081 km (0.086 R)
• M15: 7,893,382 km (0.092 R)
• M16: 8,348,459 km (0.107 R)
• M17: 9,876,003 km (0.097 R)
• M18: 11,969,176 km (0.118 R)
• M19: 14,488,255 km (0.092 R)
• M20: 14,788,348 km (0.073 R)
• M21: 17,005,388 km (0.1 R)
• M22: 17,677,382 km (0.077 R)
• M23: 17,933,793 km (0.029 R)
• M24: 26,384,576 km (0.115 R)
• M25: 31,459,834 km (0.076 R)
• M26: 33,633,640 km (0.107 R)
• M27: 34,957,881 km (0.078 R)
• M28: 36,316,529 km (0.095 R)
• M29: 37,148,293 km (0.094 R)
• M30: 42,407,705 km (0.106 R)
• M31: 46,662,717 km (0.115 R)
• M32: 48,141,941 km (0.116 R)
• M33: 55,459,371 km (0.116 R)
• M34: 57,866,102 km (0.051 R)
• M35: 62,688,090 km (0.095 R)
• M36: 65,501,876 km (0.065 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: 502 - 10,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit