🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 9.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.81 AU - 0.83 AU

Year: 495 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,272,900 km

• M1: 121,922 km (0.117 R)
• M2: 468,989 km (0.119 R)
• M3: 792,121 km (0.074 R)
• M4: 1,296,266 km (0.098 R)
• M5: 1,759,570 km (0.099 R)
• M6: 2,154,808 km (0.032 R)
• M7: 2,598,814 km (0.083 R)
• M8: 3,010,807 km (0.116 R)
• M9: 3,580,625 km (0.088 R)
• M10: 4,381,273 km (0.062 R)
• M11: 5,553,223 km (0.118 R)
• M12: 5,944,421 km (0.101 R)
• M13: 6,430,464 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 13

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.85 AU - 1.33 AU

Year: 759 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,272,900 km

• M1: 161,715 km (0.081 R)
• M2: 892,351 km (0.05 R)
• M3: 1,573,321 km (0.11 R)
• M4: 2,616,616 km (0.046 R)
• M5: 3,049,553 km (0.105 R)
• M6: 4,630,952 km (0.119 R)
• M7: 5,527,043 km (0.107 R)
• M8: 6,267,403 km (0.104 R)
• M9: 6,854,574 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 9.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.61 AU - 1.63 AU

Year: 1375 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,272,900 km

• M1: 114,442 km (0.097 R)
• M2: 417,827 km (0.073 R)
• M3: 736,470 km (0.114 R)
• M4: 1,069,924 km (0.078 R)
• M5: 1,409,511 km (0.071 R)
• M6: 2,160,343 km (0.045 R)
• M7: 2,529,850 km (0.057 R)
• M8: 3,397,068 km (0.096 R)
• M9: 3,899,268 km (0.096 R)
• M10: 5,071,517 km (0.103 R)
• M11: 7,163,494 km (0.096 R)
• M12: 8,042,531 km (0.076 R)
• M13: 8,440,611 km (0.107 R)
• M14: 9,625,725 km (0.079 R)
• M15: 9,923,575 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.2

Radius: 14.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.54 AU - 1.76 AU

Year: 1413 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,272,900 km

• M1: 181,612 km (0.082 R)
• M2: 649,105 km (0.106 R)
• M3: 1,749,846 km (0.075 R)
• M4: 2,535,684 km (0.078 R)
• M5: 3,289,807 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 13.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.62 AU - 2.06 AU

Year: 1664 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,272,900 km

• M1: 162,912 km (0.088 R)
• M2: 606,470 km (0.09 R)
• M3: 1,438,084 km (0.092 R)
• M4: 1,862,344 km (0.078 R)
• M5: 2,384,590 km (0.057 R)
• M6: 2,958,447 km (0.118 R)
• M7: 4,229,880 km (0.082 R)
• M8: 4,712,632 km (0.077 R)
• M9: 6,284,457 km (0.053 R)
• M10: 7,107,245 km (0.08 R)
• M11: 8,459,161 km (0.103 R)
• M12: 9,768,591 km (0.08 R)
• M13: 10,257,627 km (0.1 R)
• M14: 10,762,819 km (0.102 R)
• M15: 13,245,545 km (0.118 R)
• M16: 13,672,049 km (0.107 R)
• M17: 14,196,090 km (0.108 R)
• M18: 15,191,664 km (0.055 R)
• M19: 15,706,580 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 10.1

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.04 AU - 2.6 AU

Year: 2356 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,272,900 km

• M1: 125,662 km (0.089 R)
• M2: 476,768 km (0.103 R)
• M3: 881,131 km (0.1 R)
• M4: 1,272,629 km (0.118 R)
• M5: 1,695,542 km (0.095 R)
• M6: 2,124,739 km (0.106 R)
• M7: 2,682,888 km (0.075 R)
• M8: 4,657,431 km (0.048 R)
• M9: 5,025,292 km (0.098 R)
• M10: 5,601,543 km (0.075 R)
• M11: 6,170,164 km (0.069 R)
• M12: 6,641,697 km (0.103 R)
• M13: 7,805,867 km (0.089 R)
• M14: 8,515,709 km (0.12 R)
• M15: 10,755,638 km (0.095 R)
• M16: 11,556,436 km (0.111 R)
• M17: 12,852,402 km (0.099 R)
• M18: 13,666,364 km (0.079 R)
• M19: 15,161,146 km (0.087 R)
• M20: 15,827,156 km (0.059 R)
• M21: 16,462,946 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 12.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.77 AU - 4.59 AU

Year: 4708 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,272,900 km

• M1: 160,818 km (0.071 R)
• M2: 641,775 km (0.062 R)
• M3: 1,668,914 km (0.097 R)
• M4: 2,308,295 km (0.046 R)
• M5: 3,560,280 km (0.073 R)
• M6: 4,349,109 km (0.057 R)
• M7: 5,838,506 km (0.09 R)
• M8: 6,666,680 km (0.071 R)
• M9: 7,463,139 km (0.085 R)
• M10: 8,168,193 km (0.102 R)
• M11: 9,039,601 km (0.077 R)
• M12: 9,668,660 km (0.106 R)
• M13: 10,781,818 km (0.073 R)
• M14: 11,250,358 km (0.08 R)
• M15: 13,262,150 km (0.054 R)
• M16: 15,327,349 km (0.088 R)
• M17: 17,406,759 km (0.068 R)
• M18: 17,987,349 km (0.058 R)
• M19: 18,781,414 km (0.12 R)
• M20: 20,086,506 km (0.115 R)
• M21: 22,193,742 km (0.117 R)
• M22: 22,800,211 km (0.055 R)
• M23: 25,749,683 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 13.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.07 AU - 4.75 AU

Year: 5156 Days

Day: 7.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,272,900 km

• M1: 165,455 km (0.104 R)
• M2: 734,526 km (0.086 R)
• M3: 1,309,729 km (0.114 R)
• M4: 1,831,976 km (0.059 R)
• M5: 2,302,311 km (0.07 R)
• M6: 3,369,692 km (0.092 R)
• M7: 5,032,024 km (0.074 R)
• M8: 5,760,864 km (0.118 R)
• M9: 8,188,090 km (0.099 R)
• M10: 9,649,511 km (0.068 R)
• M11: 13,238,215 km (0.098 R)
• M12: 14,518,025 km (0.111 R)
• M13: 15,301,618 km (0.087 R)
• M14: 16,529,966 km (0.042 R)
• M15: 19,650,428 km (0.092 R)
• M16: 22,547,541 km (0.09 R)
• M17: 27,368,332 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.4

Radius: 7.7

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.77 AU - 10.29 AU

Year: 18095 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,272,900 km

• M1: 96,491 km (0.077 R)
• M2: 582,085 km (0.083 R)
• M3: 2,561,714 km (0.103 R)
• M4: 2,883,948 km (0.115 R)
• M5: 4,199,811 km (0.119 R)
• M6: 4,990,136 km (0.106 R)
• M7: 5,798,114 km (0.118 R)
• M8: 6,274,284 km (0.08 R)
• M9: 6,690,615 km (0.104 R)
• M10: 7,625,003 km (0.11 R)
• M11: 9,916,095 km (0.116 R)
• M12: 10,772,094 km (0.046 R)
• M13: 11,614,629 km (0.096 R)
• M14: 12,306,818 km (0.047 R)
• M15: 13,912,153 km (0.117 R)
• M16: 15,352,781 km (0.117 R)
• M17: 17,370,856 km (0.053 R)
• M18: 17,778,211 km (0.113 R)
• M19: 18,025,795 km (0.09 R)
• M20: 20,089,348 km (0.103 R)
• M21: 20,357,877 km (0.116 R)
• M22: 21,549,573 km (0.069 R)
• M23: 21,925,363 km (0.11 R)
• M24: 25,822,088 km (0.06 R)
• M25: 31,222,123 km (0.105 R)
• M26: 35,212,496 km (0.07 R)
• M27: 39,670,214 km (0.031 R)
• M28: 55,448,750 km (0.101 R)
• M29: 63,353,950 km (0.104 R)
• M30: 64,319,156 km (0.079 R)
• M31: 64,903,036 km (0.102 R)
• M32: 65,490,357 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.6

Radius: 4.2

Gravity: 43.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.34 AU - 10.04 AU

Year: 18578 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,272,900 km

• M1: 52,210 km (0.113 R)
• M2: 199,115 km (0.118 R)
• M3: 396,285 km (0.056 R)
• M4: 536,308 km (0.094 R)
• M5: 672,293 km (0.059 R)
• M6: 842,236 km (0.101 R)
• M7: 991,535 km (0.071 R)
• M8: 1,549,385 km (0.091 R)
• M9: 1,793,529 km (0.105 R)
• M10: 2,002,966 km (0.068 R)
• M11: 2,336,719 km (0.115 R)
• M12: 3,561,776 km (0.056 R)
• M13: 3,831,501 km (0.084 R)
• M14: 5,705,214 km (0.097 R)
• M15: 6,329,636 km (0.106 R)
• M16: 8,267,526 km (0.117 R)
• M17: 8,956,125 km (0.059 R)
• M18: 10,266,902 km (0.055 R)
• M19: 11,700,498 km (0.088 R)
• M20: 12,296,047 km (0.11 R)
• M21: 17,125,964 km (0.117 R)
• M22: 29,919,724 km (0.088 R)
• M23: 31,280,915 km (0.082 R)
• M24: 31,785,957 km (0.114 R)
• M25: 34,126,117 km (0.101 R)
• M26: 38,133,544 km (0.077 R)
• M27: 41,223,788 km (0.099 R)
• M28: 47,067,080 km (0.074 R)
• M29: 54,341,576 km (0.112 R)
• M30: 57,487,171 km (0.052 R)
• M31: 57,864,905 km (0.053 R)
• M32: 61,143,941 km (0.106 R)
• M33: 64,748,352 km (0.116 R)
• M34: 65,568,148 km (0.119 R)
• M35: 66,394,976 km (0.111 R)
• M36: 69,985,923 km (0.078 R)
• M37: 74,373,928 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 16,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit