🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.5

Radius: 14

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.74 AU - 1.04 AU

Year: 551 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,342,021 km

• M1: 174,132 km (0.087 R)
• M2: 659,727 km (0.053 R)
• M3: 1,176,288 km (0.066 R)
• M4: 1,619,397 km (0.101 R)
• M5: 2,111,424 km (0.098 R)
• M6: 2,841,462 km (0.091 R)
• M7: 3,294,594 km (0.091 R)
• M8: 3,735,309 km (0.093 R)
• M9: 4,189,488 km (0.036 R)
• M10: 4,794,911 km (0.075 R)
• M11: 5,240,862 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.4

Radius: 8.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.81 AU - 1.01 AU

Year: 569 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,342,021 km

• M1: 106,962 km (0.088 R)
• M2: 397,033 km (0.116 R)
• M3: 722,857 km (0.084 R)
• M4: 1,040,603 km (0.098 R)
• M5: 1,485,956 km (0.11 R)
• M6: 1,953,150 km (0.094 R)
• M7: 2,323,105 km (0.06 R)
• M8: 2,605,546 km (0.088 R)
• M9: 3,347,402 km (0.081 R)
• M10: 4,280,145 km (0.061 R)
• M11: 4,677,177 km (0.083 R)
• M12: 5,228,146 km (0.066 R)
• M13: 5,528,090 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 14

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.78 AU - 1.06 AU

Year: 579 Days

Day: 13.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,342,021 km

• M1: 179,069 km (0.032 R)
• M2: 667,655 km (0.059 R)
• M3: 1,163,423 km (0.067 R)
• M4: 1,638,845 km (0.104 R)
• M5: 2,083,450 km (0.064 R)
• M6: 2,522,519 km (0.059 R)
• M7: 3,364,007 km (0.101 R)
• M8: 3,935,920 km (0.103 R)
• M9: 4,977,420 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.6

Radius: 12.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.32 AU - 2 AU

Year: 1403 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,342,021 km

• M1: 159,172 km (0.098 R)
• M2: 576,251 km (0.084 R)
• M3: 1,178,981 km (0.071 R)
• M4: 1,988,904 km (0.094 R)
• M5: 3,026,066 km (0.112 R)
• M6: 3,512,259 km (0.119 R)
• M7: 4,566,176 km (0.103 R)
• M8: 5,866,181 km (0.079 R)
• M9: 6,701,835 km (0.086 R)
• M10: 7,161,699 km (0.087 R)
• M11: 7,863,313 km (0.107 R)
• M12: 8,849,312 km (0.085 R)
• M13: 11,243,477 km (0.071 R)
• M14: 12,229,476 km (0.026 R)
• M15: 12,996,465 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 8.2

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.11 AU - 2.99 AU

Year: 2671 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,342,021 km

• M1: 102,026 km (0.105 R)
• M2: 462,257 km (0.074 R)
• M3: 1,257,669 km (0.114 R)
• M4: 1,998,029 km (0.103 R)
• M5: 2,771,600 km (0.096 R)
• M6: 3,052,545 km (0.073 R)
• M7: 3,731,120 km (0.086 R)
• M8: 4,033,458 km (0.037 R)
• M9: 4,802,989 km (0.109 R)
• M10: 6,429,866 km (0.081 R)
• M11: 9,831,422 km (0.064 R)
• M12: 15,889,388 km (0.08 R)
• M13: 16,794,755 km (0.026 R)
• M14: 18,303,000 km (0.06 R)
• M15: 21,140,274 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 12

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.32 AU - 2.98 AU

Year: 2830 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,342,021 km

• M1: 150,944 km (0.111 R)
• M2: 655,987 km (0.108 R)
• M3: 1,319,902 km (0.107 R)
• M4: 3,978,855 km (0.109 R)
• M5: 4,724,301 km (0.069 R)
• M6: 5,974,939 km (0.106 R)
• M7: 7,161,250 km (0.112 R)
• M8: 7,589,848 km (0.105 R)
• M9: 8,397,826 km (0.106 R)
• M10: 8,840,337 km (0.08 R)
• M11: 11,957,507 km (0.103 R)
• M12: 12,562,182 km (0.053 R)
• M13: 13,187,202 km (0.093 R)
• M14: 18,498,525 km (0.079 R)
• M15: 19,543,466 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 8

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.84 AU - 4.48 AU

Year: 4593 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,342,021 km

• M1: 100,679 km (0.054 R)
• M2: 600,935 km (0.034 R)
• M3: 2,070,734 km (0.052 R)
• M4: 2,524,015 km (0.107 R)
• M5: 3,131,831 km (0.098 R)
• M6: 8,021,139 km (0.107 R)
• M7: 10,684,878 km (0.115 R)
• M8: 10,980,185 km (0.114 R)
• M9: 12,353,493 km (0.065 R)
• M10: 13,057,501 km (0.071 R)
• M11: 15,706,430 km (0.114 R)
• M12: 17,271,523 km (0.103 R)
• M13: 17,796,013 km (0.088 R)
• M14: 23,074,424 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.2

Radius: 13.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.82 AU - 5.24 AU

Year: 6325 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,342,021 km

• M1: 170,841 km (0.107 R)
• M2: 625,020 km (0.062 R)
• M3: 1,068,727 km (0.114 R)
• M4: 1,528,591 km (0.064 R)
• M5: 3,082,913 km (0.079 R)
• M6: 4,314,403 km (0.112 R)
• M7: 5,463,913 km (0.043 R)
• M8: 5,965,963 km (0.066 R)
• M9: 7,193,114 km (0.06 R)
• M10: 8,077,088 km (0.12 R)
• M11: 8,880,578 km (0.098 R)
• M12: 10,477,685 km (0.071 R)
• M13: 11,613,881 km (0.106 R)
• M14: 12,879,030 km (0.098 R)
• M15: 14,027,643 km (0.117 R)
• M16: 15,134,966 km (0.072 R)
• M17: 16,017,145 km (0.063 R)
• M18: 18,558,513 km (0.107 R)
• M19: 20,616,382 km (0.091 R)
• M20: 22,822,502 km (0.109 R)
• M21: 23,470,410 km (0.119 R)
• M22: 24,727,630 km (0.118 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: 545 - 18,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit