🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 11.1

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.96 AU - 1.44 AU

Year: 877 Days

Day: 11.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,144,563 km

• M1: 138,827 km (0.097 R)
• M2: 587,471 km (0.11 R)
• M3: 941,868 km (0.085 R)
• M4: 1,356,404 km (0.11 R)
• M5: 1,714,392 km (0.083 R)
• M6: 2,136,258 km (0.103 R)
• M7: 2,906,986 km (0.093 R)
• M8: 4,316,048 km (0.088 R)
• M9: 4,673,437 km (0.097 R)
• M10: 5,106,374 km (0.068 R)
• M11: 5,704,915 km (0.1 R)
• M12: 6,157,748 km (0.025 R)
• M13: 6,996,692 km (0.083 R)
• M14: 7,348,098 km (0.051 R)
• M15: 7,736,005 km (0.076 R)
• M16: 8,343,522 km (0.113 R)
• M17: 9,426,760 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.9

Radius: 9.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.24 AU - 1.4 AU

Year: 1011 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,144,563 km

• M1: 114,891 km (0.096 R)
• M2: 448,943 km (0.097 R)
• M3: 1,108,071 km (0.082 R)
• M4: 1,505,254 km (0.051 R)
• M5: 2,329,688 km (0.047 R)
• M6: 3,350,244 km (0.116 R)
• M7: 3,698,658 km (0.061 R)
• M8: 4,026,875 km (0.036 R)
• M9: 4,374,541 km (0.115 R)
• M10: 4,775,164 km (0.102 R)
• M11: 5,837,459 km (0.094 R)
• M12: 6,485,217 km (0.087 R)
• M13: 6,774,091 km (0.098 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 15

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.18 AU - 2.72 AU

Year: 2557 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,144,563 km

• M1: 186,698 km (0.078 R)
• M2: 842,236 km (0.118 R)
• M3: 1,391,859 km (0.112 R)
• M4: 1,926,073 km (0.116 R)
• M5: 2,511,898 km (0.05 R)
• M6: 3,016,192 km (0.09 R)
• M7: 3,757,151 km (0.073 R)
• M8: 5,142,128 km (0.094 R)
• M9: 5,783,454 km (0.064 R)
• M10: 6,505,712 km (0.106 R)
• M11: 7,020,179 km (0.12 R)
• M12: 8,002,289 km (0.103 R)
• M13: 8,661,567 km (0.116 R)
• M14: 10,164,427 km (0.087 R)
• M15: 12,736,464 km (0.063 R)
• M16: 15,214,851 km (0.086 R)
• M17: 16,489,276 km (0.091 R)
• M18: 20,015,746 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 12.7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.27 AU - 6.63 AU

Year: 8484 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,144,563 km

• M1: 158,275 km (0.095 R)
• M2: 880,683 km (0.084 R)
• M3: 1,515,726 km (0.048 R)
• M4: 2,070,135 km (0.087 R)
• M5: 3,925,598 km (0.087 R)
• M6: 4,740,457 km (0.119 R)
• M7: 6,630,626 km (0.054 R)
• M8: 9,940,031 km (0.111 R)
• M9: 10,808,596 km (0.077 R)
• M10: 11,288,655 km (0.113 R)
• M11: 13,352,807 km (0.034 R)
• M12: 14,927,025 km (0.058 R)
• M13: 15,590,342 km (0.089 R)
• M14: 17,118,484 km (0.087 R)
• M15: 20,633,286 km (0.076 R)
• M16: 22,819,360 km (0.096 R)
• M17: 25,528,727 km (0.084 R)
• M18: 33,903,814 km (0.082 R)
• M19: 34,703,564 km (0.063 R)
• M20: 36,103,950 km (0.077 R)
• M21: 43,273,877 km (0.054 R)
• M22: 44,895,667 km (0.072 R)
• M23: 46,557,550 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.7

Radius: 5.1

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.3 AU - 9.16 AU

Year: 14332 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,144,563 km

• M1: 63,429 km (0.108 R)
• M2: 310,715 km (0.059 R)
• M3: 509,830 km (0.118 R)
• M4: 1,076,357 km (0.115 R)
• M5: 1,651,710 km (0.09 R)
• M6: 1,839,755 km (0.085 R)
• M7: 2,184,877 km (0.073 R)
• M8: 2,572,036 km (0.112 R)
• M9: 2,760,679 km (0.086 R)
• M10: 5,735,283 km (0.088 R)
• M11: 6,168,668 km (0.119 R)
• M12: 9,935,692 km (0.054 R)
• M13: 10,244,761 km (0.111 R)
• M14: 10,990,656 km (0.106 R)
• M15: 11,210,266 km (0.092 R)
• M16: 12,952,184 km (0.096 R)
• M17: 13,197,225 km (0.104 R)
• M18: 13,383,026 km (0.081 R)
• M19: 15,821,321 km (0.118 R)
• M20: 16,313,648 km (0.109 R)
• M21: 16,961,706 km (0.113 R)
• M22: 17,181,465 km (0.108 R)
• M23: 18,155,796 km (0.106 R)
• M24: 21,813,165 km (0.103 R)
• M25: 25,836,001 km (0.03 R)
• M26: 35,669,219 km (0.118 R)
• M27: 36,271,949 km (0.045 R)
• M28: 44,182,235 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70

Radius: 5.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.17 AU - 8.19 AU

Year: 15601 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,144,563 km

• M1: 67,319 km (0.106 R)
• M2: 349,760 km (0.094 R)
• M3: 2,035,728 km (0.104 R)
• M4: 3,759,544 km (0.094 R)
• M5: 5,965,963 km (0.082 R)
• M6: 7,480,941 km (0.092 R)
• M7: 9,317,404 km (0.087 R)
• M8: 9,947,810 km (0.092 R)
• M9: 13,959,576 km (0.098 R)
• M10: 15,236,992 km (0.078 R)
• M11: 17,830,570 km (0.105 R)
• M12: 21,342,380 km (0.096 R)
• M13: 22,657,944 km (0.05 R)
• M14: 22,882,341 km (0.108 R)
• M15: 26,346,429 km (0.071 R)
• M16: 29,606,466 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 20,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit