🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.7

Radius: 15

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.61 AU - 0.71 AU

Year: 377 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 82.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,118,847 km

• M1: 186,549 km (0.046 R)
• M2: 968,945 km (0.027 R)
• M3: 1,565,991 km (0.068 R)
• M4: 2,248,007 km (0.097 R)
• M5: 2,861,209 km (0.058 R)
• M6: 3,796,644 km (0.06 R)
• M7: 4,284,184 km (0.107 R)
• M8: 4,870,757 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 14.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.91 AU - 0.97 AU

Year: 641 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,118,847 km

• M1: 180,415 km (0.091 R)
• M2: 680,222 km (0.109 R)
• M3: 1,190,201 km (0.061 R)
• M4: 1,807,890 km (0.059 R)
• M5: 2,410,470 km (0.09 R)
• M6: 3,083,661 km (0.066 R)
• M7: 4,861,482 km (0.084 R)
• M8: 5,503,855 km (0.105 R)
• M9: 7,091,687 km (0.067 R)
• M10: 8,088,607 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.01 AU - 1.15 AU

Year: 789 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,118,847 km

• M1: 184,454 km (0.117 R)
• M2: 959,072 km (0.088 R)
• M3: 1,723,068 km (0.101 R)
• M4: 2,201,033 km (0.113 R)
• M5: 2,728,067 km (0.114 R)
• M6: 4,260,847 km (0.094 R)
• M7: 5,121,184 km (0.1 R)
• M8: 5,953,546 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 14.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.2 AU - 1.34 AU

Year: 1006 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,118,847 km

• M1: 179,069 km (0.111 R)
• M2: 680,670 km (0.105 R)
• M3: 1,225,207 km (0.051 R)
• M4: 1,777,971 km (0.061 R)
• M5: 2,258,778 km (0.093 R)
• M6: 2,839,667 km (0.102 R)
• M7: 3,420,107 km (0.058 R)
• M8: 4,474,323 km (0.104 R)
• M9: 5,059,250 km (0.093 R)
• M10: 5,615,156 km (0.063 R)
• M11: 7,340,319 km (0.101 R)
• M12: 8,106,110 km (0.078 R)
• M13: 9,855,807 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.3

Radius: 11.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.04 AU - 2.18 AU

Year: 2154 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,118,847 km

• M1: 144,212 km (0.113 R)
• M2: 580,589 km (0.1 R)
• M3: 1,101,190 km (0.118 R)
• M4: 2,264,613 km (0.037 R)
• M5: 2,773,245 km (0.092 R)
• M6: 4,021,939 km (0.106 R)
• M7: 4,729,537 km (0.104 R)
• M8: 5,147,513 km (0.084 R)
• M9: 7,591,643 km (0.109 R)
• M10: 10,724,671 km (0.101 R)
• M11: 11,410,428 km (0.093 R)
• M12: 13,252,726 km (0.092 R)
• M13: 15,667,983 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.1

Radius: 11.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.47 AU - 2.75 AU

Year: 2964 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,118,847 km

• M1: 139,425 km (0.11 R)
• M2: 520,601 km (0.104 R)
• M3: 934,837 km (0.073 R)
• M4: 1,534,126 km (0.12 R)
• M5: 1,916,498 km (0.065 R)
• M6: 2,503,371 km (0.043 R)
• M7: 2,879,161 km (0.045 R)
• M8: 3,978,406 km (0.085 R)
• M9: 4,493,770 km (0.106 R)
• M10: 5,785,698 km (0.11 R)
• M11: 6,476,241 km (0.068 R)
• M12: 9,157,783 km (0.094 R)
• M13: 9,547,187 km (0.062 R)
• M14: 10,939,344 km (0.111 R)
• M15: 11,787,415 km (0.108 R)
• M16: 12,462,400 km (0.09 R)
• M17: 13,568,676 km (0.057 R)
• M18: 14,452,351 km (0.06 R)
• M19: 15,127,636 km (0.049 R)
• M20: 15,824,014 km (0.066 R)
• M21: 17,986,302 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.3

Radius: 5

Gravity: 20.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.22 AU - 9.34 AU

Year: 16748 Days

Day: 17.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,118,847 km

• M1: 75,397 km (0.03 R)
• M2: 272,418 km (0.115 R)
• M3: 494,271 km (0.091 R)
• M4: 652,247 km (0.051 R)
• M5: 906,264 km (0.09 R)
• M6: 1,062,743 km (0.073 R)
• M7: 1,345,932 km (0.051 R)
• M8: 1,777,522 km (0.109 R)
• M9: 2,044,255 km (0.094 R)
• M10: 2,256,385 km (0.078 R)
• M11: 2,840,265 km (0.07 R)
• M12: 3,359,819 km (0.106 R)
• M13: 3,573,744 km (0.084 R)
• M14: 5,851,521 km (0.103 R)
• M15: 7,245,474 km (0.069 R)
• M16: 8,353,545 km (0.106 R)
• M17: 9,411,800 km (0.092 R)
• M18: 10,276,027 km (0.088 R)
• M19: 11,791,155 km (0.116 R)
• M20: 15,992,910 km (0.112 R)
• M21: 19,091,381 km (0.105 R)
• M22: 20,119,866 km (0.09 R)
• M23: 21,365,717 km (0.086 R)
• M24: 22,007,492 km (0.069 R)
• M25: 22,379,991 km (0.08 R)
• M26: 23,233,447 km (0.118 R)
• M27: 27,076,766 km (0.113 R)
• M28: 28,154,319 km (0.091 R)
• M29: 28,483,135 km (0.077 R)
• M30: 29,710,586 km (0.092 R)
• M31: 30,165,513 km (0.038 R)
• M32: 32,150,976 km (0.084 R)
• M33: 36,380,108 km (0.111 R)
• M34: 37,558,640 km (0.087 R)
• M35: 45,619,123 km (0.105 R)
• M36: 47,606,231 km (0.098 R)
• M37: 55,786,991 km (0.076 R)
• M38: 57,352,532 km (0.082 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: 195 - 11,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit