🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 10.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.58 AU - 0.74 AU

Year: 370 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,509,280 km

• M1: 131,048 km (0.112 R)
• M2: 605,572 km (0.039 R)
• M3: 1,035,666 km (0.067 R)
• M4: 1,514,529 km (0.027 R)
• M5: 1,889,571 km (0.1 R)
• M6: 2,535,834 km (0.108 R)
• M7: 2,925,386 km (0.098 R)
• M8: 3,514,503 km (0.107 R)
• M9: 4,072,353 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 9.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.6 AU - 0.82 AU

Year: 413 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,509,280 km

• M1: 121,922 km (0.034 R)
• M2: 511,326 km (0.048 R)
• M3: 926,908 km (0.087 R)
• M4: 1,335,161 km (0.111 R)
• M5: 1,712,447 km (0.067 R)
• M6: 2,097,063 km (0.086 R)
• M7: 2,436,650 km (0.069 R)
• M8: 2,899,955 km (0.073 R)
• M9: 3,323,915 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 11

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.5 AU - 2.42 AU

Year: 1894 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,509,280 km

• M1: 140,772 km (0.094 R)
• M2: 510,727 km (0.117 R)
• M3: 1,438,982 km (0.07 R)
• M4: 1,821,653 km (0.082 R)
• M5: 2,465,523 km (0.038 R)
• M6: 2,900,254 km (0.042 R)
• M7: 3,435,814 km (0.102 R)
• M8: 4,225,990 km (0.063 R)
• M9: 4,582,482 km (0.072 R)
• M10: 5,775,226 km (0.096 R)
• M11: 6,367,484 km (0.087 R)
• M12: 8,606,964 km (0.115 R)
• M13: 11,516,942 km (0.116 R)
• M14: 13,361,184 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 10.2

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.88 AU - 3.84 AU

Year: 4251 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 22,509,280 km

• M1: 130,749 km (0.115 R)
• M2: 821,442 km (0.095 R)
• M3: 1,509,293 km (0.096 R)
• M4: 1,979,329 km (0.053 R)
• M5: 2,430,666 km (0.095 R)
• M6: 3,336,033 km (0.083 R)
• M7: 3,712,421 km (0.067 R)
• M8: 4,211,030 km (0.099 R)
• M9: 5,742,165 km (0.096 R)
• M10: 6,895,415 km (0.041 R)
• M11: 7,975,062 km (0.104 R)
• M12: 8,846,320 km (0.04 R)
• M13: 9,407,013 km (0.068 R)
• M14: 9,779,811 km (0.096 R)
• M15: 10,292,184 km (0.037 R)
• M16: 12,772,816 km (0.055 R)
• M17: 14,124,881 km (0.065 R)
• M18: 15,685,038 km (0.117 R)
• M19: 17,480,810 km (0.108 R)
• M20: 17,918,833 km (0.079 R)
• M21: 19,879,463 km (0.102 R)
• M22: 20,288,164 km (0.077 R)
• M23: 20,632,987 km (0.112 R)
• M24: 21,122,322 km (0.057 R)
• M25: 22,489,497 km (0.068 R)
• M26: 24,145,396 km (0.098 R)
• M27: 26,532,379 km (0.05 R)
• M28: 26,944,820 km (0.112 R)
• M29: 27,361,750 km (0.061 R)
• M30: 27,952,512 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 12.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.26 AU - 3.86 AU

Year: 4636 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,509,280 km

• M1: 160,219 km (0.059 R)
• M2: 586,723 km (0.071 R)
• M3: 1,310,328 km (0.089 R)
• M4: 2,105,440 km (0.116 R)
• M5: 2,765,017 km (0.111 R)
• M6: 3,748,025 km (0.107 R)
• M7: 5,685,467 km (0.06 R)
• M8: 7,235,600 km (0.054 R)
• M9: 7,646,396 km (0.109 R)
• M10: 8,514,961 km (0.07 R)
• M11: 10,320,009 km (0.073 R)
• M12: 11,938,060 km (0.079 R)
• M13: 13,616,099 km (0.078 R)
• M14: 14,673,906 km (0.074 R)
• M15: 20,188,831 km (0.078 R)
• M16: 22,273,627 km (0.118 R)
• M17: 24,421,852 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.3

Radius: 8.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.86 AU - 5.4 AU

Year: 6877 Days

Day: 14.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,509,280 km

• M1: 105,466 km (0.081 R)
• M2: 392,096 km (0.091 R)
• M3: 757,713 km (0.085 R)
• M4: 1,100,592 km (0.049 R)
• M5: 2,536,581 km (0.086 R)
• M6: 3,722,444 km (0.084 R)
• M7: 4,027,773 km (0.06 R)
• M8: 6,351,327 km (0.073 R)
• M9: 7,496,648 km (0.1 R)
• M10: 8,313,004 km (0.059 R)
• M11: 9,382,330 km (0.119 R)
• M12: 10,052,827 km (0.081 R)
• M13: 11,339,519 km (0.082 R)
• M14: 11,677,759 km (0.046 R)
• M15: 12,217,060 km (0.109 R)
• M16: 14,323,547 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 8.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.17 AU - 5.99 AU

Year: 7903 Days

Day: 14.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,509,280 km

• M1: 103,522 km (0.106 R)
• M2: 659,727 km (0.109 R)
• M3: 1,159,234 km (0.11 R)
• M4: 1,603,839 km (0.115 R)
• M5: 2,496,938 km (0.072 R)
• M6: 3,242,534 km (0.107 R)
• M7: 4,678,075 km (0.083 R)
• M8: 10,141,688 km (0.058 R)
• M9: 13,081,287 km (0.112 R)
• M10: 17,017,207 km (0.057 R)
• M11: 25,373,145 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 13.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.23 AU - 6.09 AU

Year: 8091 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,509,280 km

• M1: 172,187 km (0.106 R)
• M2: 658,380 km (0.075 R)
• M3: 1,778,120 km (0.093 R)
• M4: 2,500,080 km (0.091 R)
• M5: 3,665,746 km (0.055 R)
• M6: 4,509,478 km (0.085 R)
• M7: 5,141,380 km (0.076 R)
• M8: 5,639,989 km (0.082 R)
• M9: 6,493,445 km (0.048 R)
• M10: 8,280,093 km (0.102 R)
• M11: 11,567,955 km (0.11 R)
• M12: 12,661,515 km (0.081 R)
• M13: 13,872,809 km (0.079 R)
• M14: 17,499,510 km (0.069 R)
• M15: 19,562,465 km (0.03 R)
• M16: 22,884,285 km (0.114 R)
• M17: 23,734,151 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.1

Radius: 3.4

Gravity: 62.12 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.15 AU - 8.55 AU

Year: 16655 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 22,509,280 km

• M1: 44,281 km (0.109 R)
• M2: 151,842 km (0.101 R)
• M3: 402,418 km (0.025 R)
• M4: 1,189,453 km (0.097 R)
• M5: 2,001,320 km (0.096 R)
• M6: 3,619,221 km (0.103 R)
• M7: 3,823,722 km (0.117 R)
• M8: 4,098,084 km (0.067 R)
• M9: 6,398,301 km (0.102 R)
• M10: 6,568,095 km (0.061 R)
• M11: 6,741,030 km (0.081 R)
• M12: 6,916,957 km (0.11 R)
• M13: 7,050,847 km (0.107 R)
• M14: 8,185,247 km (0.104 R)
• M15: 10,630,275 km (0.111 R)
• M16: 11,480,141 km (0.112 R)
• M17: 12,973,127 km (0.114 R)
• M18: 16,735,065 km (0.098 R)
• M19: 17,384,320 km (0.086 R)
• M20: 17,632,054 km (0.095 R)
• M21: 23,294,034 km (0.099 R)
• M22: 23,595,175 km (0.099 R)
• M23: 25,882,975 km (0.103 R)
• M24: 26,314,265 km (0.08 R)
• M25: 28,772,308 km (0.099 R)
• M26: 30,413,696 km (0.106 R)
• M27: 32,990,968 km (0.097 R)
• M28: 34,787,788 km (0.082 R)
• M29: 40,712,612 km (0.059 R)
• M30: 42,478,615 km (0.093 R)
• M31: 49,720,947 km (0.093 R)
• M32: 53,284,218 km (0.109 R)
• M33: 55,573,215 km (0.117 R)
• M34: 57,013,992 km (0.066 R)
• M35: 63,806,035 km (0.032 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.3

Radius: 3.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.47 AU - 9.29 AU

Year: 16745 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,509,280 km

• M1: 39,943 km (0.025 R)
• M2: 357,090 km (0.104 R)
• M3: 708,047 km (0.06 R)
• M4: 1,739,225 km (0.089 R)
• M5: 1,926,671 km (0.103 R)
• M6: 5,239,965 km (0.049 R)
• M7: 5,393,901 km (0.114 R)
• M8: 11,117,515 km (0.08 R)
• M9: 12,748,132 km (0.109 R)
• M10: 17,027,678 km (0.06 R)
• M11: 17,309,072 km (0.086 R)
• M12: 20,865,761 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 17,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit