🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 12.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,332,643 km

• M1: 154,235 km (0.11 R)
• M2: 601,832 km (0.073 R)
• M3: 1,063,342 km (0.109 R)
• M4: 1,479,972 km (0.114 R)
• M5: 1,908,420 km (0.084 R)
• M6: 2,515,638 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.8

Radius: 8

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.39 AU - 1.51 AU

Year: 1184 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,332,643 km

• M1: 100,380 km (0.093 R)
• M2: 396,135 km (0.049 R)
• M3: 670,797 km (0.07 R)
• M4: 1,234,930 km (0.08 R)
• M5: 1,489,097 km (0.05 R)
• M6: 1,992,045 km (0.108 R)
• M7: 2,579,666 km (0.073 R)
• M8: 3,277,689 km (0.083 R)
• M9: 3,602,167 km (0.119 R)
• M10: 3,915,724 km (0.11 R)
• M11: 4,367,809 km (0.08 R)
• M12: 5,296,812 km (0.072 R)
• M13: 5,765,951 km (0.047 R)
• M14: 6,218,185 km (0.103 R)
• M15: 6,693,906 km (0.076 R)
• M16: 7,291,550 km (0.116 R)
• M17: 8,081,427 km (0.072 R)
• M18: 8,402,164 km (0.104 R)
• M19: 9,562,445 km (0.025 R)
• M20: 9,982,068 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 12.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.84 AU - 2.14 AU

Year: 1904 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,332,643 km

• M1: 163,361 km (0.077 R)
• M2: 582,833 km (0.107 R)
• M3: 1,267,842 km (0.056 R)
• M4: 1,677,890 km (0.091 R)
• M5: 2,278,675 km (0.073 R)
• M6: 3,306,113 km (0.04 R)
• M7: 4,154,482 km (0.061 R)
• M8: 4,810,020 km (0.106 R)
• M9: 5,387,468 km (0.089 R)
• M10: 8,969,140 km (0.082 R)
• M11: 9,476,726 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 11.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.54 AU - 2.5 AU

Year: 1947 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,332,643 km

• M1: 145,260 km (0.1 R)
• M2: 534,962 km (0.055 R)
• M3: 985,252 km (0.109 R)
• M4: 2,215,245 km (0.088 R)
• M5: 2,845,352 km (0.113 R)
• M6: 3,577,184 km (0.071 R)
• M7: 4,011,467 km (0.116 R)
• M8: 6,176,298 km (0.119 R)
• M9: 6,671,018 km (0.078 R)
• M10: 7,238,592 km (0.067 R)
• M11: 8,418,770 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 12.5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.28 AU - 3.06 AU

Year: 2959 Days

Day: 14.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,332,643 km

• M1: 155,432 km (0.106 R)
• M2: 552,615 km (0.106 R)
• M3: 1,013,825 km (0.097 R)
• M4: 1,403,826 km (0.091 R)
• M5: 1,921,734 km (0.077 R)
• M6: 2,414,809 km (0.085 R)
• M7: 2,957,400 km (0.109 R)
• M8: 4,312,607 km (0.098 R)
• M9: 6,130,970 km (0.032 R)
• M10: 7,730,620 km (0.086 R)
• M11: 8,205,443 km (0.069 R)
• M12: 9,554,517 km (0.108 R)
• M13: 13,111,954 km (0.066 R)
• M14: 13,544,292 km (0.095 R)
• M15: 14,847,140 km (0.093 R)
• M16: 15,743,231 km (0.098 R)
• M17: 16,231,967 km (0.092 R)
• M18: 16,899,473 km (0.078 R)
• M19: 17,527,186 km (0.117 R)
• M20: 18,111,515 km (0.119 R)
• M21: 18,648,272 km (0.108 R)
• M22: 19,504,570 km (0.092 R)
• M23: 20,005,424 km (0.117 R)
• M24: 20,514,954 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 13.4

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.47 AU - 4.47 AU

Year: 5365 Days

Day: 5.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,332,643 km

• M1: 239,955 km (0.098 R)
• M2: 762,201 km (0.094 R)
• M3: 1,224,459 km (0.113 R)
• M4: 3,283,524 km (0.085 R)
• M5: 3,887,151 km (0.11 R)
• M6: 7,099,466 km (0.091 R)
• M7: 8,446,595 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.9

Radius: 3.9

Gravity: 65.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.26 AU - 6.68 AU

Year: 11162 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,332,643 km

• M1: 52,210 km (0.065 R)
• M2: 208,390 km (0.106 R)
• M3: 536,009 km (0.119 R)
• M4: 694,882 km (0.103 R)
• M5: 1,183,020 km (0.104 R)
• M6: 1,922,781 km (0.112 R)
• M7: 2,124,140 km (0.11 R)
• M8: 3,171,475 km (0.08 R)
• M9: 3,640,614 km (0.12 R)
• M10: 4,682,563 km (0.074 R)
• M11: 6,022,810 km (0.106 R)
• M12: 6,454,101 km (0.12 R)
• M13: 8,434,328 km (0.098 R)
• M14: 9,074,008 km (0.08 R)
• M15: 9,692,745 km (0.119 R)
• M16: 13,939,230 km (0.106 R)
• M17: 15,470,963 km (0.069 R)
• M18: 15,688,179 km (0.047 R)
• M19: 20,733,218 km (0.081 R)
• M20: 20,997,258 km (0.076 R)
• M21: 21,622,128 km (0.07 R)
• M22: 21,984,753 km (0.117 R)
• M23: 22,536,171 km (0.117 R)
• M24: 23,762,575 km (0.034 R)
• M25: 25,532,916 km (0.091 R)
• M26: 26,347,327 km (0.053 R)
• M27: 27,707,321 km (0.104 R)
• M28: 28,027,759 km (0.107 R)
• M29: 32,895,076 km (0.065 R)
• M30: 36,222,581 km (0.098 R)
• M31: 36,477,646 km (0.05 R)
• M32: 36,733,907 km (0.119 R)
• M33: 50,177,819 km (0.099 R)
• M34: 52,099,553 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 17,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit