🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 10

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.97 AU - 1.07 AU

Year: 665 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,068,540 km

• M1: 133,591 km (0.067 R)
• M2: 474,824 km (0.096 R)
• M3: 1,039,107 km (0.099 R)
• M4: 1,352,365 km (0.097 R)
• M5: 2,197,892 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 15

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.93 AU - 1.41 AU

Year: 817 Days

Day: 7.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,068,540 km

• M1: 186,549 km (0.112 R)
• M2: 756,217 km (0.114 R)
• M3: 1,264,551 km (0.083 R)
• M4: 2,025,854 km (0.097 R)
• M5: 3,619,221 km (0.089 R)
• M6: 4,602,229 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 12.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.57 AU - 1.93 AU

Year: 1495 Days

Day: 6.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,068,540 km

• M1: 152,739 km (0.102 R)
• M2: 559,795 km (0.051 R)
• M3: 1,255,725 km (0.058 R)
• M4: 2,098,409 km (0.099 R)
• M5: 2,995,398 km (0.096 R)
• M6: 3,667,691 km (0.115 R)
• M7: 4,477,614 km (0.04 R)
• M8: 4,925,360 km (0.069 R)
• M9: 5,470,645 km (0.103 R)
• M10: 6,427,024 km (0.117 R)
• M11: 7,491,413 km (0.053 R)
• M12: 8,274,109 km (0.086 R)
• M13: 8,919,923 km (0.118 R)
• M14: 12,907,603 km (0.105 R)
• M15: 14,118,299 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 11.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.45 AU - 2.13 AU

Year: 1546 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,068,540 km

• M1: 144,512 km (0.112 R)
• M2: 551,867 km (0.108 R)
• M3: 1,060,350 km (0.116 R)
• M4: 1,461,870 km (0.08 R)
• M5: 1,925,923 km (0.118 R)
• M6: 2,416,454 km (0.049 R)
• M7: 2,867,941 km (0.118 R)
• M8: 3,667,541 km (0.049 R)
• M9: 4,536,256 km (0.103 R)
• M10: 5,600,346 km (0.1 R)
• M11: 6,679,695 km (0.079 R)
• M12: 7,786,420 km (0.06 R)
• M13: 8,190,483 km (0.106 R)
• M14: 9,188,002 km (0.085 R)
• M15: 9,855,358 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.5

Radius: 9.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.08 AU - 2.48 AU

Year: 2223 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,068,540 km

• M1: 119,678 km (0.085 R)
• M2: 423,212 km (0.049 R)
• M3: 849,267 km (0.088 R)
• M4: 1,822,252 km (0.107 R)
• M5: 2,192,806 km (0.108 R)
• M6: 2,613,624 km (0.1 R)
• M7: 2,933,614 km (0.105 R)
• M8: 3,263,627 km (0.038 R)
• M9: 3,671,281 km (0.119 R)
• M10: 4,306,773 km (0.116 R)
• M11: 4,798,352 km (0.084 R)
• M12: 5,102,035 km (0.031 R)
• M13: 5,464,810 km (0.087 R)
• M14: 6,631,823 km (0.063 R)
• M15: 8,540,243 km (0.1 R)
• M16: 8,858,438 km (0.108 R)
• M17: 9,620,489 km (0.095 R)
• M18: 11,580,820 km (0.112 R)
• M19: 11,892,432 km (0.054 R)
• M20: 13,535,017 km (0.109 R)
• M21: 13,837,354 km (0.086 R)
• M22: 14,321,453 km (0.106 R)
• M23: 14,771,443 km (0.117 R)
• M24: 16,033,451 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 13.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.06 AU - 2.58 AU

Year: 2282 Days

Day: 12.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,068,540 km

• M1: 173,683 km (0.106 R)
• M2: 978,220 km (0.067 R)
• M3: 1,944,324 km (0.064 R)
• M4: 2,403,439 km (0.101 R)
• M5: 3,182,844 km (0.088 R)
• M6: 3,703,146 km (0.11 R)
• M7: 7,354,979 km (0.04 R)
• M8: 9,032,121 km (0.119 R)
• M9: 10,189,261 km (0.066 R)
• M10: 11,674,618 km (0.117 R)
• M11: 12,510,122 km (0.087 R)
• M12: 14,122,937 km (0.031 R)
• M13: 15,966,282 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 10.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.44 AU - 3.04 AU

Year: 2928 Days

Day: 13.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,068,540 km

• M1: 159,471 km (0.047 R)
• M2: 560,543 km (0.064 R)
• M3: 1,513,332 km (0.104 R)
• M4: 2,097,512 km (0.072 R)
• M5: 2,712,957 km (0.045 R)
• M6: 3,804,573 km (0.117 R)
• M7: 4,660,871 km (0.069 R)
• M8: 8,273,061 km (0.056 R)
• M9: 9,275,218 km (0.111 R)
• M10: 10,603,796 km (0.051 R)
• M11: 11,407,137 km (0.036 R)
• M12: 12,172,180 km (0.029 R)
• M13: 13,466,950 km (0.106 R)
• M14: 15,121,203 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.5

Radius: 6.5

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.82 AU - 6.94 AU

Year: 11652 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,068,540 km

• M1: 80,932 km (0.051 R)
• M2: 375,939 km (0.079 R)
• M3: 655,089 km (0.117 R)
• M4: 1,036,863 km (0.084 R)
• M5: 2,380,551 km (0.047 R)
• M6: 3,086,054 km (0.099 R)
• M7: 5,555,766 km (0.081 R)
• M8: 6,149,819 km (0.111 R)
• M9: 6,502,122 km (0.113 R)
• M10: 7,204,334 km (0.097 R)
• M11: 7,507,719 km (0.05 R)
• M12: 8,327,066 km (0.115 R)
• M13: 9,510,535 km (0.117 R)
• M14: 10,413,957 km (0.11 R)
• M15: 11,257,389 km (0.091 R)
• M16: 12,084,965 km (0.106 R)
• M17: 13,143,669 km (0.109 R)
• M18: 13,927,113 km (0.098 R)
• M19: 16,168,538 km (0.035 R)
• M20: 16,764,237 km (0.098 R)
• M21: 19,047,100 km (0.093 R)
• M22: 23,644,841 km (0.114 R)
• M23: 25,097,137 km (0.043 R)
• M24: 30,142,625 km (0.09 R)
• M25: 32,548,009 km (0.056 R)
• M26: 32,901,808 km (0.1 R)
• M27: 49,716,160 km (0.076 R)
• M28: 50,028,670 km (0.052 R)
• M29: 50,974,128 km (0.069 R)
• M30: 55,880,190 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 18,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit