🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569

Radius: 11.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.48 AU - 0.62 AU

Year: 277 Days

Day: 11.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,784,663 km

• M1: 148,102 km (0.102 R)
• M2: 527,183 km (0.105 R)
• M3: 943,514 km (0.109 R)
• M4: 1,359,246 km (0.033 R)
• M5: 1,926,970 km (0.034 R)
• M6: 2,764,569 km (0.049 R)
• M7: 3,222,039 km (0.117 R)
• M8: 3,842,272 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 10.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.76 AU - 1.1 AU

Year: 608 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,784,663 km

• M1: 130,599 km (0.1 R)
• M2: 486,492 km (0.067 R)
• M3: 1,005,597 km (0.069 R)
• M4: 1,413,550 km (0.079 R)
• M5: 1,789,490 km (0.107 R)
• M6: 2,217,340 km (0.05 R)
• M7: 2,608,089 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.3

Radius: 14.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.94 AU - 1.16 AU

Year: 730 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,784,663 km

• M1: 180,265 km (0.099 R)
• M2: 806,183 km (0.063 R)
• M3: 1,294,770 km (0.076 R)
• M4: 2,218,088 km (0.117 R)
• M5: 2,692,762 km (0.059 R)
• M6: 3,420,406 km (0.119 R)
• M7: 4,174,678 km (0.095 R)
• M8: 4,685,256 km (0.104 R)
• M9: 5,204,061 km (0.059 R)
• M10: 5,761,014 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 12.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.75 AU - 3.77 AU

Year: 4945 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,784,663 km

• M1: 155,881 km (0.065 R)
• M2: 898,634 km (0.114 R)
• M3: 1,713,195 km (0.1 R)
• M4: 2,543,164 km (0.035 R)
• M5: 3,691,178 km (0.105 R)
• M6: 4,966,350 km (0.042 R)
• M7: 5,557,710 km (0.11 R)
• M8: 6,195,596 km (0.088 R)
• M9: 6,983,827 km (0.111 R)
• M10: 7,438,156 km (0.115 R)
• M11: 8,921,119 km (0.119 R)
• M12: 10,322,851 km (0.083 R)
• M13: 10,729,458 km (0.116 R)
• M14: 12,874,094 km (0.09 R)
• M15: 13,398,883 km (0.112 R)
• M16: 13,828,977 km (0.071 R)
• M17: 14,773,538 km (0.069 R)
• M18: 16,606,261 km (0.035 R)
• M19: 17,291,569 km (0.096 R)
• M20: 19,667,183 km (0.084 R)
• M21: 23,394,265 km (0.092 R)
• M22: 26,125,623 km (0.059 R)
• M23: 27,224,120 km (0.106 R)
• M24: 30,242,257 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 12.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.07 AU - 4.67 AU

Year: 5164 Days

Day: 7.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,784,663 km

• M1: 150,495 km (0.073 R)
• M2: 598,092 km (0.111 R)
• M3: 1,062,444 km (0.12 R)
• M4: 1,851,722 km (0.046 R)
• M5: 2,886,341 km (0.098 R)
• M6: 4,272,964 km (0.104 R)
• M7: 5,545,593 km (0.072 R)
• M8: 7,518,789 km (0.109 R)
• M9: 8,504,938 km (0.073 R)
• M10: 9,029,578 km (0.084 R)
• M11: 9,922,528 km (0.044 R)
• M12: 12,851,355 km (0.089 R)
• M13: 14,428,266 km (0.113 R)
• M14: 15,888,042 km (0.109 R)
• M15: 16,375,432 km (0.051 R)
• M16: 19,650,728 km (0.101 R)
• M17: 20,929,939 km (0.103 R)
• M18: 25,346,966 km (0.112 R)
• M19: 25,929,051 km (0.086 R)
• M20: 27,641,348 km (0.06 R)
• M21: 29,155,129 km (0.071 R)
• M22: 29,978,516 km (0.097 R)
• M23: 31,290,190 km (0.115 R)
• M24: 31,960,089 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.5

Radius: 9.5

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.62 AU - 4.84 AU

Year: 6977 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,784,663 km

• M1: 118,182 km (0.075 R)
• M2: 487,988 km (0.105 R)
• M3: 933,341 km (0.055 R)
• M4: 1,539,063 km (0.115 R)
• M5: 2,004,911 km (0.078 R)
• M6: 2,957,101 km (0.116 R)
• M7: 3,326,907 km (0.077 R)
• M8: 3,915,874 km (0.097 R)
• M9: 4,467,142 km (0.116 R)
• M10: 6,008,748 km (0.092 R)
• M11: 6,503,019 km (0.117 R)
• M12: 7,131,779 km (0.107 R)
• M13: 8,150,242 km (0.054 R)
• M14: 9,655,196 km (0.112 R)
• M15: 12,196,116 km (0.055 R)
• M16: 12,721,205 km (0.07 R)
• M17: 14,387,276 km (0.081 R)
• M18: 14,795,977 km (0.102 R)
• M19: 17,945,013 km (0.104 R)
• M20: 20,692,228 km (0.096 R)
• M21: 21,288,525 km (0.107 R)
• M22: 22,987,658 km (0.09 R)
• M23: 24,858,529 km (0.054 R)
• M24: 26,392,056 km (0.086 R)
• M25: 26,828,882 km (0.077 R)
• M26: 27,897,161 km (0.085 R)
• M27: 30,118,539 km (0.079 R)
• M28: 32,755,501 km (0.095 R)
• M29: 33,158,966 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.6

Radius: 6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.96 AU - 9.48 AU

Year: 15984 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,784,663 km

• M1: 74,649 km (0.087 R)
• M2: 347,366 km (0.116 R)
• M3: 556,055 km (0.117 R)
• M4: 868,565 km (0.067 R)
• M5: 1,847,683 km (0.08 R)
• M6: 2,053,231 km (0.091 R)
• M7: 3,321,970 km (0.098 R)
• M8: 5,195,085 km (0.115 R)
• M9: 6,319,463 km (0.113 R)
• M10: 7,839,826 km (0.101 R)
• M11: 8,087,111 km (0.076 R)
• M12: 9,265,344 km (0.094 R)
• M13: 10,957,446 km (0.077 R)
• M14: 11,319,024 km (0.099 R)
• M15: 13,074,256 km (0.052 R)
• M16: 14,504,112 km (0.119 R)
• M17: 19,944,388 km (0.114 R)
• M18: 20,561,330 km (0.119 R)
• M19: 21,111,401 km (0.118 R)
• M20: 23,580,664 km (0.113 R)
• M21: 27,257,630 km (0.064 R)
• M22: 29,379,975 km (0.115 R)
• M23: 29,777,307 km (0.044 R)
• M24: 37,790,068 km (0.039 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 15,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit