🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 10.9

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.68 AU - 0.74 AU

Year: 380 Days

Day: 15 Hours

Environment

Temp: -143 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,335,341 km

• M1: 138,378 km (0.065 R)
• M2: 513,719 km (0.101 R)
• M3: 1,072,617 km (0.092 R)
• M4: 1,463,217 km (0.07 R)
• M5: 1,941,631 km (0.119 R)
• M6: 2,317,121 km (0.115 R)
• M7: 2,751,554 km (0.11 R)
• M8: 3,183,143 km (0.068 R)
• M9: 3,647,346 km (0.079 R)
• M10: 4,294,356 km (0.096 R)
• M11: 4,638,432 km (0.11 R)
• M12: 5,447,756 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 13.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.97 AU - 1.13 AU

Year: 684 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,335,341 km

• M1: 171,589 km (0.101 R)
• M2: 909,705 km (0.095 R)
• M3: 1,668,315 km (0.109 R)
• M4: 2,195,349 km (0.093 R)
• M5: 2,932,717 km (0.096 R)
• M6: 5,098,744 km (0.111 R)
• M7: 6,340,107 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 13.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.28 AU - 1.9 AU

Year: 1275 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,335,341 km

• M1: 170,990 km (0.088 R)
• M2: 591,809 km (0.068 R)
• M3: 1,139,936 km (0.077 R)
• M4: 1,657,993 km (0.052 R)
• M5: 2,445,476 km (0.119 R)
• M6: 3,186,883 km (0.082 R)
• M7: 4,057,693 km (0.089 R)
• M8: 5,925,721 km (0.117 R)
• M9: 6,359,555 km (0.072 R)
• M10: 7,146,141 km (0.096 R)
• M11: 7,588,202 km (0.119 R)
• M12: 8,232,820 km (0.114 R)
• M13: 9,779,811 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.2

Radius: 10.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.14 AU - 2.2 AU

Year: 2032 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,335,341 km

• M1: 131,796 km (0.062 R)
• M2: 504,594 km (0.113 R)
• M3: 1,160,730 km (0.081 R)
• M4: 1,940,135 km (0.118 R)
• M5: 2,276,132 km (0.091 R)
• M6: 3,578,830 km (0.106 R)
• M7: 4,053,055 km (0.115 R)
• M8: 4,978,916 km (0.091 R)
• M9: 5,324,487 km (0.034 R)
• M10: 5,802,453 km (0.117 R)
• M11: 6,234,790 km (0.059 R)
• M12: 6,688,521 km (0.069 R)
• M13: 8,183,602 km (0.106 R)
• M14: 9,104,676 km (0.063 R)
• M15: 11,115,870 km (0.056 R)
• M16: 11,671,177 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.7

Radius: 13.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.54 AU - 6.1 AU

Year: 7802 Days

Day: 6.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,335,341 km

• M1: 173,085 km (0.089 R)
• M2: 648,806 km (0.045 R)
• M3: 1,351,617 km (0.044 R)
• M4: 1,906,176 km (0.12 R)
• M5: 3,370,590 km (0.071 R)
• M6: 5,080,493 km (0.09 R)
• M7: 5,553,971 km (0.096 R)
• M8: 6,963,781 km (0.097 R)
• M9: 8,126,755 km (0.037 R)
• M10: 8,732,776 km (0.073 R)
• M11: 11,411,026 km (0.115 R)
• M12: 12,283,631 km (0.109 R)
• M13: 14,913,262 km (0.046 R)
• M14: 21,423,761 km (0.062 R)
• M15: 25,115,687 km (0.112 R)
• M16: 29,513,715 km (0.064 R)
• M17: 30,020,702 km (0.108 R)
• M18: 30,533,673 km (0.039 R)
• M19: 32,751,761 km (0.086 R)
• M20: 33,295,250 km (0.111 R)
• M21: 37,152,781 km (0.118 R)
• M22: 38,582,488 km (0.085 R)
• M23: 40,421,045 km (0.102 R)
• M24: 44,007,954 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.1

Radius: 14.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.35 AU - 5.41 AU

Year: 7934 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,335,341 km

• M1: 281,543 km (0.052 R)
• M2: 907,909 km (0.069 R)
• M3: 1,471,594 km (0.082 R)
• M4: 2,213,600 km (0.077 R)
• M5: 2,879,310 km (0.119 R)
• M6: 3,737,553 km (0.061 R)
• M7: 5,183,566 km (0.105 R)
• M8: 8,382,866 km (0.027 R)
• M9: 9,891,262 km (0.097 R)
• M10: 12,205,840 km (0.044 R)
• M11: 13,245,395 km (0.104 R)
• M12: 14,601,051 km (0.118 R)
• M13: 16,213,716 km (0.09 R)
• M14: 22,242,361 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 6.1

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.18 AU - 7.44 AU

Year: 11299 Days

Day: 23.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,335,341 km

• M1: 75,846 km (0.103 R)
• M2: 496,366 km (0.099 R)
• M3: 851,810 km (0.118 R)
• M4: 1,251,685 km (0.11 R)
• M5: 1,676,843 km (0.103 R)
• M6: 2,747,514 km (0.113 R)
• M7: 3,590,798 km (0.09 R)
• M8: 7,265,819 km (0.077 R)
• M9: 8,854,997 km (0.071 R)
• M10: 9,432,595 km (0.114 R)
• M11: 11,371,981 km (0.105 R)
• M12: 13,562,244 km (0.105 R)
• M13: 22,842,697 km (0.049 R)
• M14: 24,202,841 km (0.067 R)
• M15: 30,292,372 km (0.086 R)
• M16: 34,326,279 km (0.092 R)
• M17: 40,242,126 km (0.031 R)
• M18: 43,031,080 km (0.071 R)
• M19: 44,960,443 km (0.102 R)
• M20: 45,804,624 km (0.064 R)
• M21: 49,436,112 km (0.098 R)
• M22: 50,034,354 km (0.11 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: 376 - 15,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit