🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 13.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,270,967 km

• M1: 167,849 km (0.116 R)
• M2: 618,587 km (0.071 R)
• M3: 1,072,617 km (0.092 R)
• M4: 1,900,342 km (0.046 R)
• M5: 2,354,222 km (0.106 R)
• M6: 3,020,082 km (0.049 R)
• M7: 3,531,707 km (0.065 R)
• M8: 4,581,435 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 14.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.71 AU - 0.75 AU

Year: 416 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,270,967 km

• M1: 175,329 km (0.063 R)
• M2: 708,196 km (0.103 R)
• M3: 1,267,842 km (0.034 R)
• M4: 1,776,924 km (0.079 R)
• M5: 2,282,564 km (0.089 R)
• M6: 2,817,975 km (0.076 R)
• M7: 3,682,501 km (0.067 R)
• M8: 4,284,483 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 12.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.39 AU - 1.49 AU

Year: 1152 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,270,967 km

• M1: 156,779 km (0.108 R)
• M2: 569,070 km (0.116 R)
• M3: 1,127,370 km (0.1 R)
• M4: 1,664,127 km (0.092 R)
• M5: 2,138,651 km (0.085 R)
• M6: 2,922,095 km (0.12 R)
• M7: 3,621,316 km (0.079 R)
• M8: 4,186,796 km (0.086 R)
• M9: 4,773,668 km (0.118 R)
• M10: 5,557,860 km (0.107 R)
• M11: 6,090,578 km (0.07 R)
• M12: 6,680,443 km (0.11 R)
• M13: 7,662,403 km (0.074 R)
• M14: 8,993,674 km (0.106 R)
• M15: 10,004,507 km (0.086 R)
• M16: 10,794,833 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 10.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.25 AU - 2.73 AU

Year: 2620 Days

Day: 15 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,270,967 km

• M1: 134,638 km (0.082 R)
• M2: 515,813 km (0.098 R)
• M3: 1,426,864 km (0.074 R)
• M4: 2,068,939 km (0.075 R)
• M5: 3,323,018 km (0.087 R)
• M6: 3,793,353 km (0.056 R)
• M7: 4,582,183 km (0.118 R)
• M8: 5,649,414 km (0.104 R)
• M9: 6,057,068 km (0.078 R)
• M10: 6,846,496 km (0.057 R)
• M11: 7,429,778 km (0.073 R)
• M12: 7,857,628 km (0.047 R)
• M13: 12,021,086 km (0.044 R)
• M14: 14,173,501 km (0.083 R)
• M15: 15,414,415 km (0.113 R)
• M16: 17,091,856 km (0.092 R)
• M17: 17,947,705 km (0.104 R)
• M18: 18,330,975 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 10.1

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.78 AU - 2.98 AU

Year: 3259 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,270,967 km

• M1: 125,662 km (0.079 R)
• M2: 442,211 km (0.045 R)
• M3: 758,162 km (0.115 R)
• M4: 1,321,548 km (0.115 R)
• M5: 1,710,352 km (0.098 R)
• M6: 2,051,585 km (0.114 R)
• M7: 3,675,620 km (0.088 R)
• M8: 4,117,981 km (0.104 R)
• M9: 5,289,930 km (0.08 R)
• M10: 5,717,032 km (0.08 R)
• M11: 8,456,768 km (0.107 R)
• M12: 10,623,693 km (0.033 R)
• M13: 13,282,197 km (0.105 R)
• M14: 14,378,151 km (0.098 R)
• M15: 14,948,118 km (0.089 R)
• M16: 15,372,079 km (0.053 R)
• M17: 16,805,675 km (0.087 R)
• M18: 18,447,213 km (0.069 R)
• M19: 18,873,716 km (0.078 R)
• M20: 19,873,479 km (0.088 R)
• M21: 20,516,002 km (0.109 R)
• M22: 22,182,821 km (0.064 R)
• M23: 23,014,286 km (0.094 R)
• M24: 24,227,375 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 8.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.89 AU - 3.01 AU

Year: 3379 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,270,967 km

• M1: 105,766 km (0.097 R)
• M2: 554,709 km (0.099 R)
• M3: 826,229 km (0.078 R)
• M4: 1,160,431 km (0.084 R)
• M5: 1,773,932 km (0.096 R)
• M6: 2,109,480 km (0.042 R)
• M7: 2,550,344 km (0.057 R)
• M8: 2,827,101 km (0.091 R)
• M9: 3,182,844 km (0.099 R)
• M10: 3,520,487 km (0.026 R)
• M11: 4,002,042 km (0.03 R)
• M12: 5,200,022 km (0.027 R)
• M13: 6,744,171 km (0.096 R)
• M14: 7,594,486 km (0.116 R)
• M15: 7,893,232 km (0.117 R)
• M16: 8,171,634 km (0.056 R)
• M17: 8,718,863 km (0.113 R)
• M18: 9,076,851 km (0.062 R)
• M19: 9,538,061 km (0.094 R)
• M20: 11,016,238 km (0.075 R)
• M21: 11,648,289 km (0.107 R)
• M22: 11,973,215 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.1

Radius: 5.1

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.01 AU - 10.37 AU

Year: 20115 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,270,967 km

• M1: 63,429 km (0.118 R)
• M2: 271,371 km (0.07 R)
• M3: 444,455 km (0.105 R)
• M4: 728,841 km (0.112 R)
• M5: 1,281,306 km (0.049 R)
• M6: 1,759,869 km (0.117 R)
• M7: 1,931,757 km (0.04 R)
• M8: 2,133,714 km (0.076 R)
• M9: 3,038,183 km (0.113 R)
• M10: 3,415,918 km (0.117 R)
• M11: 3,740,096 km (0.108 R)
• M12: 5,422,773 km (0.111 R)
• M13: 6,570,488 km (0.074 R)
• M14: 7,464,335 km (0.118 R)
• M15: 8,778,702 km (0.099 R)
• M16: 10,185,221 km (0.083 R)
• M17: 11,856,230 km (0.066 R)
• M18: 12,980,607 km (0.084 R)
• M19: 13,902,878 km (0.119 R)
• M20: 15,151,871 km (0.093 R)
• M21: 16,701,405 km (0.071 R)
• M22: 20,546,220 km (0.072 R)
• M23: 23,861,758 km (0.063 R)
• M24: 24,743,039 km (0.029 R)
• M25: 25,041,636 km (0.113 R)
• M26: 26,988,503 km (0.082 R)
• M27: 43,803,753 km (0.085 R)
• M28: 48,927,031 km (0.117 R)
• M29: 49,397,367 km (0.113 R)
• M30: 52,446,470 km (0.08 R)
• M31: 53,269,259 km (0.044 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: 366 - 12,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit