🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 9.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 9.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,504,605 km

• M1: 120,576 km (0.086 R)
• M2: 433,086 km (0.111 R)
• M3: 816,056 km (0.094 R)
• M4: 1,193,641 km (0.077 R)
• M5: 1,537,118 km (0.107 R)
• M6: 2,082,851 km (0.091 R)
• M7: 2,711,461 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.6

Radius: 10.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.6 AU - 0.6 AU

Year: 315 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,504,605 km

• M1: 132,993 km (0.106 R)
• M2: 566,378 km (0.12 R)
• M3: 1,176,587 km (0.042 R)
• M4: 1,512,285 km (0.071 R)
• M5: 1,891,515 km (0.045 R)
• M6: 2,293,934 km (0.072 R)
• M7: 2,644,142 km (0.058 R)
• M8: 2,981,186 km (0.105 R)
• M9: 3,563,272 km (0.111 R)
• M10: 3,952,825 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.3

Radius: 8.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.9 AU - 1.16 AU

Year: 709 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,504,605 km

• M1: 108,159 km (0.092 R)
• M2: 399,875 km (0.08 R)
• M3: 744,997 km (0.105 R)
• M4: 1,218,923 km (0.071 R)
• M5: 1,502,860 km (0.083 R)
• M6: 1,814,473 km (0.118 R)
• M7: 2,150,021 km (0.111 R)
• M8: 2,420,793 km (0.101 R)
• M9: 2,782,969 km (0.119 R)
• M10: 3,231,912 km (0.118 R)
• M11: 3,562,075 km (0.094 R)
• M12: 5,418,285 km (0.088 R)
• M13: 5,771,336 km (0.101 R)
• M14: 6,441,535 km (0.091 R)
• M15: 7,075,082 km (0.088 R)
• M16: 7,452,218 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 9.5

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.34 AU - 1.42 AU

Year: 1100 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,504,605 km

• M1: 118,182 km (0.03 R)
• M2: 527,332 km (0.032 R)
• M3: 1,065,586 km (0.083 R)
• M4: 1,390,512 km (0.077 R)
• M5: 1,724,714 km (0.045 R)
• M6: 2,145,981 km (0.055 R)
• M7: 2,534,038 km (0.111 R)
• M8: 2,845,501 km (0.042 R)
• M9: 5,476,628 km (0.098 R)
• M10: 6,875,219 km (0.106 R)
• M11: 9,081,937 km (0.03 R)
• M12: 9,661,030 km (0.096 R)
• M13: 10,592,277 km (0.105 R)
• M14: 11,234,052 km (0.049 R)
• M15: 12,263,285 km (0.107 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 14.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.4 AU - 3.76 AU

Year: 3666 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,504,605 km

• M1: 179,069 km (0.072 R)
• M2: 634,145 km (0.115 R)
• M3: 1,171,651 km (0.092 R)
• M4: 1,635,105 km (0.1 R)
• M5: 2,599,861 km (0.1 R)
• M6: 4,303,183 km (0.086 R)
• M7: 5,176,236 km (0.073 R)
• M8: 7,768,169 km (0.063 R)
• M9: 8,382,268 km (0.087 R)
• M10: 9,708,303 km (0.114 R)
• M11: 10,306,695 km (0.079 R)
• M12: 10,929,770 km (0.084 R)
• M13: 11,827,507 km (0.08 R)
• M14: 13,265,741 km (0.114 R)
• M15: 14,964,574 km (0.096 R)
• M16: 17,017,655 km (0.05 R)
• M17: 19,900,107 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 8

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.94 AU - 4.78 AU

Year: 5144 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,504,605 km

• M1: 99,483 km (0.099 R)
• M2: 379,979 km (0.031 R)
• M3: 1,100,292 km (0.084 R)
• M4: 1,608,925 km (0.101 R)
• M5: 2,160,193 km (0.117 R)
• M6: 2,604,798 km (0.098 R)
• M7: 3,225,629 km (0.114 R)
• M8: 3,677,415 km (0.084 R)
• M9: 4,913,841 km (0.063 R)
• M10: 5,598,102 km (0.099 R)
• M11: 6,282,213 km (0.051 R)
• M12: 6,888,234 km (0.111 R)
• M13: 7,393,875 km (0.116 R)
• M14: 7,708,928 km (0.079 R)
• M15: 8,032,957 km (0.112 R)
• M16: 11,557,931 km (0.114 R)
• M17: 11,840,073 km (0.039 R)
• M18: 15,311,192 km (0.069 R)
• M19: 20,346,208 km (0.107 R)
• M20: 21,386,063 km (0.114 R)
• M21: 23,797,880 km (0.047 R)
• M22: 24,178,457 km (0.111 R)
• M23: 24,951,878 km (0.085 R)
• M24: 26,062,043 km (0.114 R)
• M25: 27,287,848 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.4

Radius: 13.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.16 AU - 4.78 AU

Year: 6410 Days

Day: 10.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,504,605 km

• M1: 185,501 km (0.101 R)
• M2: 944,112 km (0.082 R)
• M3: 1,558,959 km (0.095 R)
• M4: 2,224,520 km (0.055 R)
• M5: 2,996,296 km (0.114 R)
• M6: 3,576,287 km (0.044 R)
• M7: 4,230,628 km (0.095 R)
• M8: 4,772,770 km (0.119 R)
• M9: 5,419,931 km (0.084 R)
• M10: 6,221,177 km (0.112 R)
• M11: 6,959,891 km (0.074 R)
• M12: 8,254,960 km (0.077 R)
• M13: 8,693,581 km (0.08 R)
• M14: 9,925,520 km (0.102 R)
• M15: 11,319,173 km (0.109 R)
• M16: 11,911,730 km (0.095 R)
• M17: 13,267,087 km (0.027 R)
• M18: 14,722,974 km (0.109 R)
• M19: 15,191,813 km (0.116 R)
• M20: 15,791,701 km (0.102 R)
• M21: 18,083,540 km (0.076 R)
• M22: 19,871,085 km (0.037 R)
• M23: 20,661,860 km (0.072 R)
• M24: 21,849,367 km (0.098 R)
• M25: 22,847,484 km (0.105 R)
• M26: 28,933,425 km (0.08 R)
• M27: 30,042,992 km (0.045 R)
• M28: 32,643,303 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.7

Radius: 6.1

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.86 AU - 12.34 AU

Year: 23407 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,504,605 km

• M1: 77,492 km (0.083 R)
• M2: 450,888 km (0.115 R)
• M3: 945,608 km (0.09 R)
• M4: 1,752,539 km (0.058 R)
• M5: 2,192,058 km (0.071 R)
• M6: 2,726,272 km (0.079 R)
• M7: 4,018,947 km (0.113 R)
• M8: 4,958,870 km (0.091 R)
• M9: 6,078,909 km (0.096 R)
• M10: 6,764,367 km (0.104 R)
• M11: 12,192,077 km (0.031 R)
• M12: 13,559,850 km (0.083 R)
• M13: 18,186,464 km (0.115 R)
• M14: 19,241,129 km (0.08 R)
• M15: 20,616,232 km (0.119 R)
• M16: 22,849,728 km (0.096 R)
• M17: 23,457,993 km (0.077 R)
• M18: 26,108,568 km (0.108 R)
• M19: 26,661,632 km (0.12 R)
• M20: 29,784,188 km (0.116 R)
• M21: 30,509,738 km (0.087 R)
• M22: 31,744,967 km (0.037 R)
• M23: 35,786,055 km (0.096 R)
• M24: 38,282,993 km (0.025 R)
• M25: 39,574,022 km (0.032 R)
• M26: 40,157,005 km (0.087 R)
• M27: 45,823,922 km (0.056 R)
• M28: 48,265,509 km (0.101 R)
• M29: 51,653,901 km (0.116 R)
• M30: 53,052,641 km (0.115 R)
• M31: 57,772,454 km (0.115 R)
• M32: 59,469,342 km (0.08 R)
• M33: 60,618,852 km (0.108 R)
• M34: 67,413,887 km (0.093 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: 378 - 11,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit