🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 14.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.73 AU - 0.93 AU

Year: 496 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,707,028 km

• M1: 182,958 km (0.048 R)
• M2: 752,328 km (0.042 R)
• M3: 1,624,034 km (0.064 R)
• M4: 3,312,695 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 10

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.99 AU - 1.13 AU

Year: 716 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,707,028 km

• M1: 124,316 km (0.102 R)
• M2: 438,322 km (0.05 R)
• M3: 751,580 km (0.115 R)
• M4: 1,102,686 km (0.077 R)
• M5: 1,468,752 km (0.102 R)
• M6: 1,960,630 km (0.101 R)
• M7: 2,401,943 km (0.1 R)
• M8: 3,113,730 km (0.111 R)
• M9: 3,526,171 km (0.097 R)
• M10: 4,492,873 km (0.085 R)
• M11: 5,553,671 km (0.046 R)
• M12: 6,463,376 km (0.108 R)
• M13: 7,402,103 km (0.105 R)
• M14: 7,857,778 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 12.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.98 AU - 2.88 AU

Year: 2485 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,707,028 km

• M1: 153,039 km (0.086 R)
• M2: 645,216 km (0.072 R)
• M3: 2,675,109 km (0.057 R)
• M4: 3,417,863 km (0.049 R)
• M5: 4,964,555 km (0.027 R)
• M6: 5,754,432 km (0.087 R)
• M7: 7,553,795 km (0.109 R)
• M8: 8,176,272 km (0.088 R)
• M9: 9,630,812 km (0.099 R)
• M10: 10,288,444 km (0.071 R)
• M11: 16,778,897 km (0.072 R)
• M12: 17,516,863 km (0.044 R)
• M13: 18,552,978 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 11.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.44 AU - 3.72 AU

Year: 3546 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,707,028 km

• M1: 141,819 km (0.118 R)
• M2: 849,267 km (0.088 R)
• M3: 1,208,152 km (0.119 R)
• M4: 1,728,454 km (0.113 R)
• M5: 2,128,778 km (0.063 R)
• M6: 3,050,301 km (0.12 R)
• M7: 3,841,524 km (0.073 R)
• M8: 4,307,820 km (0.105 R)
• M9: 4,670,595 km (0.071 R)
• M10: 5,053,715 km (0.1 R)
• M11: 6,246,010 km (0.046 R)
• M12: 11,582,166 km (0.116 R)
• M13: 13,209,791 km (0.108 R)
• M14: 16,253,659 km (0.051 R)
• M15: 17,307,726 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.6

Radius: 11.4

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.18 AU - 5 AU

Year: 6451 Days

Day: 12.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 27,707,028 km

• M1: 141,819 km (0.037 R)
• M2: 554,410 km (0.093 R)
• M3: 1,096,852 km (0.104 R)
• M4: 1,459,926 km (0.103 R)
• M5: 1,905,129 km (0.063 R)
• M6: 2,336,270 km (0.105 R)
• M7: 3,744,435 km (0.063 R)
• M8: 4,269,074 km (0.057 R)
• M9: 4,957,225 km (0.084 R)
• M10: 5,591,071 km (0.108 R)
• M11: 7,586,706 km (0.091 R)
• M12: 8,346,664 km (0.031 R)
• M13: 9,423,020 km (0.085 R)
• M14: 10,064,945 km (0.116 R)
• M15: 13,895,847 km (0.086 R)
• M16: 15,656,165 km (0.028 R)
• M17: 16,231,519 km (0.095 R)
• M18: 16,622,867 km (0.117 R)
• M19: 17,628,912 km (0.028 R)
• M20: 20,208,578 km (0.081 R)
• M21: 21,432,139 km (0.117 R)
• M22: 25,051,211 km (0.055 R)
• M23: 27,279,321 km (0.049 R)
• M24: 27,833,133 km (0.05 R)
• M25: 28,394,424 km (0.098 R)
• M26: 28,772,757 km (0.103 R)
• M27: 30,418,633 km (0.099 R)
• M28: 31,214,493 km (0.117 R)
• M29: 32,331,391 km (0.09 R)
• M30: 38,433,937 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 13.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.76 AU - 5.5 AU

Year: 7622 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,707,028 km

• M1: 171,888 km (0.09 R)
• M2: 670,498 km (0.058 R)
• M3: 1,555,519 km (0.112 R)
• M4: 2,498,883 km (0.12 R)
• M5: 3,277,839 km (0.11 R)
• M6: 3,772,110 km (0.07 R)
• M7: 4,772,471 km (0.097 R)
• M8: 5,502,210 km (0.109 R)
• M9: 6,859,511 km (0.102 R)
• M10: 7,446,084 km (0.049 R)
• M11: 8,388,701 km (0.084 R)
• M12: 10,042,056 km (0.106 R)
• M13: 13,136,638 km (0.101 R)
• M14: 13,812,970 km (0.089 R)
• M15: 15,919,009 km (0.075 R)
• M16: 17,414,688 km (0.115 R)
• M17: 18,439,434 km (0.107 R)
• M18: 20,014,699 km (0.063 R)
• M19: 27,129,574 km (0.077 R)
• M20: 27,674,858 km (0.1 R)
• M21: 33,018,943 km (0.078 R)
• M22: 34,800,653 km (0.06 R)
• M23: 35,552,682 km (0.12 R)
• M24: 36,867,049 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.4

Radius: 6.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.01 AU - 8.09 AU

Year: 10997 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,707,028 km

• M1: 82,129 km (0.103 R)
• M2: 488,287 km (0.106 R)
• M3: 978,819 km (0.098 R)
• M4: 1,206,656 km (0.1 R)
• M5: 1,492,688 km (0.072 R)
• M6: 2,187,719 km (0.106 R)
• M7: 2,701,438 km (0.056 R)
• M8: 3,005,421 km (0.111 R)
• M9: 5,091,115 km (0.101 R)
• M10: 7,668,536 km (0.108 R)
• M11: 8,132,888 km (0.08 R)
• M12: 8,540,393 km (0.091 R)
• M13: 9,516,818 km (0.075 R)
• M14: 11,504,824 km (0.064 R)
• M15: 12,208,832 km (0.12 R)
• M16: 12,941,113 km (0.114 R)
• M17: 15,650,331 km (0.092 R)
• M18: 17,227,541 km (0.043 R)
• M19: 19,622,603 km (0.105 R)
• M20: 22,016,917 km (0.042 R)
• M21: 23,247,360 km (0.054 R)
• M22: 26,886,477 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 18,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit