🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 8.1

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.77 AU - 0.89 AU

Year: 504 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,817,827 km

• M1: 101,128 km (0.11 R)
• M2: 659,278 km (0.075 R)
• M3: 928,105 km (0.048 R)
• M4: 1,595,162 km (0.056 R)
• M5: 2,085,394 km (0.115 R)
• M6: 2,508,756 km (0.079 R)
• M7: 2,854,776 km (0.078 R)
• M8: 4,201,456 km (0.067 R)
• M9: 5,285,143 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 12

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.75 AU - 1.13 AU

Year: 608 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,817,827 km

• M1: 149,299 km (0.067 R)
• M2: 569,369 km (0.103 R)
• M3: 981,811 km (0.107 R)
• M4: 1,540,559 km (0.069 R)
• M5: 2,081,654 km (0.081 R)
• M6: 2,668,228 km (0.119 R)
• M7: 3,349,646 km (0.091 R)
• M8: 4,570,215 km (0.081 R)
• M9: 4,956,177 km (0.058 R)
• M10: 5,418,734 km (0.118 R)
• M11: 6,146,827 km (0.037 R)
• M12: 6,576,472 km (0.096 R)
• M13: 7,136,267 km (0.087 R)
• M14: 7,657,915 km (0.09 R)
• M15: 8,180,460 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.2

Radius: 14.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.41 AU - 2.69 AU

Year: 2715 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,817,827 km

• M1: 203,453 km (0.045 R)
• M2: 853,306 km (0.096 R)
• M3: 1,807,890 km (0.054 R)
• M4: 2,630,828 km (0.066 R)
• M5: 3,708,830 km (0.093 R)
• M6: 4,711,435 km (0.082 R)
• M7: 5,266,892 km (0.04 R)
• M8: 6,228,208 km (0.116 R)
• M9: 6,702,583 km (0.096 R)
• M10: 8,556,998 km (0.079 R)
• M11: 9,418,084 km (0.113 R)
• M12: 10,566,546 km (0.093 R)
• M13: 12,022,134 km (0.116 R)
• M14: 12,648,051 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 10

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.94 AU - 3.36 AU

Year: 3728 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,817,827 km

• M1: 124,465 km (0.097 R)
• M2: 436,377 km (0.051 R)
• M3: 880,683 km (0.107 R)
• M4: 1,323,642 km (0.119 R)
• M5: 1,977,833 km (0.067 R)
• M6: 3,079,622 km (0.104 R)
• M7: 3,552,351 km (0.074 R)
• M8: 6,897,659 km (0.119 R)
• M9: 7,642,357 km (0.053 R)
• M10: 8,332,751 km (0.116 R)
• M11: 8,729,933 km (0.067 R)
• M12: 10,487,858 km (0.096 R)
• M13: 11,472,212 km (0.112 R)
• M14: 14,534,780 km (0.112 R)
• M15: 15,648,236 km (0.111 R)
• M16: 16,198,009 km (0.115 R)
• M17: 19,962,789 km (0.115 R)
• M18: 20,284,574 km (0.082 R)
• M19: 21,538,653 km (0.079 R)
• M20: 22,495,331 km (0.093 R)
• M21: 22,913,906 km (0.096 R)
• M22: 23,337,717 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 9.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.04 AU - 3.82 AU

Year: 4236 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,817,827 km

• M1: 122,221 km (0.117 R)
• M2: 505,790 km (0.097 R)
• M3: 1,411,905 km (0.116 R)
• M4: 2,130,872 km (0.037 R)
• M5: 2,457,295 km (0.092 R)
• M6: 3,886,253 km (0.119 R)
• M7: 4,353,448 km (0.117 R)
• M8: 5,372,359 km (0.082 R)
• M9: 5,745,157 km (0.109 R)
• M10: 6,384,089 km (0.072 R)
• M11: 7,069,696 km (0.091 R)
• M12: 8,207,687 km (0.081 R)
• M13: 8,781,395 km (0.053 R)
• M14: 9,098,243 km (0.061 R)
• M15: 10,486,661 km (0.101 R)
• M16: 12,851,953 km (0.073 R)
• M17: 13,364,625 km (0.08 R)
• M18: 14,321,453 km (0.106 R)
• M19: 17,157,679 km (0.113 R)
• M20: 17,466,599 km (0.108 R)
• M21: 22,707,461 km (0.109 R)
• M22: 23,080,109 km (0.098 R)
• M23: 23,456,946 km (0.105 R)
• M24: 24,455,662 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 14.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.56 AU - 5.16 AU

Year: 7145 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,817,827 km

• M1: 179,069 km (0.062 R)
• M2: 835,953 km (0.086 R)
• M3: 1,408,314 km (0.118 R)
• M4: 1,883,138 km (0.081 R)
• M5: 2,466,869 km (0.075 R)
• M6: 3,256,446 km (0.118 R)
• M7: 3,856,633 km (0.119 R)
• M8: 4,475,519 km (0.072 R)
• M9: 6,249,301 km (0.069 R)
• M10: 6,740,282 km (0.065 R)
• M11: 7,332,988 km (0.076 R)
• M12: 7,920,160 km (0.059 R)
• M13: 10,492,346 km (0.108 R)
• M14: 14,955,898 km (0.086 R)
• M15: 16,096,880 km (0.108 R)
• M16: 22,121,336 km (0.093 R)
• M17: 23,434,207 km (0.048 R)
• M18: 25,677,727 km (0.051 R)
• M19: 33,689,141 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 3

Gravity: 55.03 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.97 AU - 6.53 AU

Year: 9195 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,817,827 km

• M1: 37,549 km (0.032 R)
• M2: 210,035 km (0.084 R)
• M3: 680,072 km (0.059 R)
• M4: 819,647 km (0.057 R)
• M5: 958,474 km (0.115 R)
• M6: 1,283,550 km (0.037 R)
• M7: 1,432,549 km (0.098 R)
• M8: 1,538,016 km (0.111 R)
• M9: 2,096,016 km (0.075 R)
• M10: 2,523,118 km (0.057 R)
• M11: 2,757,238 km (0.111 R)
• M12: 3,223,834 km (0.101 R)
• M13: 3,916,472 km (0.12 R)
• M14: 4,588,466 km (0.116 R)
• M15: 5,365,477 km (0.096 R)
• M16: 5,918,391 km (0.096 R)
• M17: 7,290,203 km (0.097 R)
• M18: 8,728,587 km (0.034 R)
• M19: 9,126,966 km (0.076 R)
• M20: 9,583,688 km (0.102 R)
• M21: 10,296,971 km (0.058 R)
• M22: 10,641,645 km (0.069 R)
• M23: 13,215,326 km (0.103 R)
• M24: 14,706,967 km (0.074 R)
• M25: 15,080,961 km (0.115 R)
• M26: 16,573,499 km (0.068 R)
• M27: 16,842,775 km (0.111 R)
• M28: 17,390,004 km (0.106 R)
• M29: 17,528,682 km (0.086 R)
• M30: 18,447,811 km (0.094 R)
• M31: 19,398,655 km (0.082 R)
• M32: 27,264,661 km (0.096 R)
• M33: 29,963,107 km (0.079 R)
• M34: 32,939,806 km (0.117 R)
• M35: 33,258,599 km (0.086 R)
• M36: 34,883,231 km (0.074 R)
• M37: 39,712,251 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.2

Radius: 7.7

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.49 AU - 7.81 AU

Year: 11436 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,817,827 km

• M1: 95,892 km (0.077 R)
• M2: 582,534 km (0.089 R)
• M3: 908,508 km (0.042 R)
• M4: 1,233,883 km (0.119 R)
• M5: 1,860,998 km (0.104 R)
• M6: 3,109,990 km (0.12 R)
• M7: 3,704,941 km (0.078 R)
• M8: 4,662,367 km (0.105 R)
• M9: 5,844,190 km (0.103 R)
• M10: 7,784,475 km (0.105 R)
• M11: 10,522,864 km (0.077 R)
• M12: 13,118,836 km (0.089 R)
• M13: 14,469,256 km (0.097 R)
• M14: 15,178,200 km (0.117 R)
• M15: 16,113,635 km (0.081 R)
• M16: 21,456,823 km (0.069 R)
• M17: 23,588,592 km (0.104 R)
• M18: 28,268,313 km (0.026 R)
• M19: 29,784,487 km (0.103 R)
• M20: 30,405,917 km (0.025 R)
• M21: 32,539,631 km (0.096 R)
• M22: 44,585,401 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.6

Radius: 6

Gravity: 22.16 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.95 AU - 10.13 AU

Year: 16642 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,817,827 km

• M1: 74,649 km (0.113 R)
• M2: 848,669 km (0.095 R)
• M3: 1,233,883 km (0.055 R)
• M4: 1,529,937 km (0.106 R)
• M5: 2,023,162 km (0.118 R)
• M6: 2,593,877 km (0.11 R)
• M7: 3,030,404 km (0.118 R)
• M8: 3,293,397 km (0.115 R)
• M9: 6,019,070 km (0.097 R)
• M10: 7,608,548 km (0.081 R)
• M11: 8,917,529 km (0.092 R)
• M12: 10,786,455 km (0.059 R)
• M13: 11,214,156 km (0.052 R)
• M14: 11,780,384 km (0.107 R)
• M15: 13,038,352 km (0.111 R)
• M16: 13,806,238 km (0.032 R)
• M17: 14,020,761 km (0.047 R)
• M18: 14,237,529 km (0.106 R)
• M19: 14,677,795 km (0.09 R)
• M20: 14,976,243 km (0.112 R)
• M21: 16,691,083 km (0.108 R)
• M22: 17,932,746 km (0.067 R)
• M23: 18,619,549 km (0.115 R)
• M24: 22,220,520 km (0.086 R)
• M25: 22,515,377 km (0.094 R)
• M26: 24,132,081 km (0.11 R)
• M27: 29,681,265 km (0.113 R)
• M28: 37,531,413 km (0.102 R)
• M29: 41,556,793 km (0.104 R)
• M30: 44,136,009 km (0.119 R)
• M31: 46,659,277 km (0.105 R)
• M32: 50,961,861 km (0.105 R)
• M33: 58,271,961 km (0.09 R)
• M34: 59,965,110 km (0.103 R)
• M35: 62,468,331 km (0.098 R)
• M36: 63,449,244 km (0.026 R)
• M37: 68,716,735 km (0.119 R)
• M38: 70,183,093 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 18,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit