🌌 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: 594.2

Radius: 14.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.52 AU - 0.52 AU

Year: 250 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 100.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,423,576 km

• M1: 178,470 km (0.078 R)
• M2: 638,633 km (0.085 R)
• M3: 1,221,616 km (0.087 R)
• M4: 1,702,125 km (0.025 R)
• M5: 2,720,587 km (0.103 R)
• M6: 3,572,696 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 12.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 14 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,423,576 km

• M1: 160,369 km (0.103 R)
• M2: 807,081 km (0.115 R)
• M3: 1,335,909 km (0.094 R)
• M4: 1,915,002 km (0.067 R)
• M5: 2,382,346 km (0.054 R)
• M6: 3,599,325 km (0.103 R)
• M7: 4,400,721 km (0.108 R)
• M8: 4,924,912 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 13.3

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.96 AU - 2.58 AU

Year: 2281 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,423,576 km

• M1: 165,455 km (0.057 R)
• M2: 1,108,969 km (0.036 R)
• M3: 1,581,549 km (0.066 R)
• M4: 2,556,179 km (0.11 R)
• M5: 3,971,674 km (0.085 R)
• M6: 5,877,252 km (0.088 R)
• M7: 7,085,703 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 13.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.73 AU - 2.95 AU

Year: 3192 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 81.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,423,576 km

• M1: 173,683 km (0.118 R)
• M2: 781,649 km (0.103 R)
• M3: 1,353,711 km (0.084 R)
• M4: 2,044,405 km (0.069 R)
• M5: 3,312,246 km (0.093 R)
• M6: 3,869,798 km (0.105 R)
• M7: 4,489,731 km (0.081 R)
• M8: 5,767,896 km (0.101 R)
• M9: 6,667,727 km (0.103 R)
• M10: 8,465,594 km (0.114 R)
• M11: 9,034,066 km (0.103 R)
• M12: 10,129,721 km (0.114 R)
• M13: 12,135,379 km (0.104 R)
• M14: 13,564,039 km (0.09 R)
• M15: 14,897,405 km (0.053 R)
• M16: 16,208,331 km (0.096 R)
• M17: 16,808,966 km (0.098 R)
• M18: 18,581,851 km (0.096 R)
• M19: 19,913,721 km (0.092 R)
• M20: 22,029,483 km (0.063 R)
• M21: 22,631,764 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 10.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.74 AU - 3.6 AU

Year: 3764 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,423,576 km

• M1: 132,245 km (0.113 R)
• M2: 574,306 km (0.094 R)
• M3: 1,368,970 km (0.052 R)
• M4: 2,176,051 km (0.06 R)
• M5: 2,616,916 km (0.08 R)
• M6: 3,117,171 km (0.057 R)
• M7: 3,680,407 km (0.095 R)
• M8: 4,203,999 km (0.114 R)
• M9: 5,154,544 km (0.12 R)
• M10: 5,997,379 km (0.061 R)
• M11: 6,637,358 km (0.074 R)
• M12: 7,048,752 km (0.069 R)
• M13: 8,386,457 km (0.109 R)
• M14: 8,798,000 km (0.079 R)
• M15: 10,859,908 km (0.12 R)
• M16: 11,683,893 km (0.034 R)
• M17: 12,067,911 km (0.068 R)
• M18: 13,831,071 km (0.063 R)
• M19: 16,123,808 km (0.092 R)
• M20: 16,761,394 km (0.112 R)
• M21: 17,526,288 km (0.072 R)
• M22: 19,421,394 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.1

Radius: 12.6

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.5 AU - 3.88 AU

Year: 3799 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,423,576 km

• M1: 156,779 km (0.097 R)
• M2: 703,409 km (0.112 R)
• M3: 1,098,348 km (0.06 R)
• M4: 1,648,569 km (0.116 R)
• M5: 2,178,444 km (0.102 R)
• M6: 2,593,728 km (0.093 R)
• M7: 2,996,445 km (0.059 R)
• M8: 3,794,400 km (0.117 R)
• M9: 4,212,975 km (0.082 R)
• M10: 4,910,700 km (0.098 R)
• M11: 5,889,668 km (0.119 R)
• M12: 6,649,625 km (0.068 R)
• M13: 7,412,724 km (0.094 R)
• M14: 8,200,806 km (0.116 R)
• M15: 8,905,262 km (0.094 R)
• M16: 10,512,093 km (0.105 R)
• M17: 11,548,208 km (0.06 R)
• M18: 12,091,248 km (0.055 R)
• M19: 12,871,251 km (0.097 R)
• M20: 16,962,304 km (0.068 R)
• M21: 17,555,310 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 11.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.2 AU - 4.44 AU

Year: 4979 Days

Day: 15 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,423,576 km

• M1: 146,756 km (0.111 R)
• M2: 919,129 km (0.092 R)
• M3: 1,534,725 km (0.073 R)
• M4: 2,147,178 km (0.082 R)
• M5: 3,127,194 km (0.11 R)
• M6: 3,978,256 km (0.07 R)
• M7: 5,031,874 km (0.116 R)
• M8: 5,653,603 km (0.12 R)
• M9: 6,681,639 km (0.11 R)
• M10: 8,355,789 km (0.111 R)
• M11: 8,904,664 km (0.03 R)
• M12: 10,787,802 km (0.115 R)
• M13: 11,534,295 km (0.117 R)
• M14: 15,039,523 km (0.099 R)
• M15: 19,198,942 km (0.117 R)
• M16: 21,288,375 km (0.103 R)
• M17: 22,612,317 km (0.096 R)
• M18: 23,602,206 km (0.103 R)
• M19: 30,157,584 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.81 AU - 5.11 AU

Year: 7366 Days

Day: 12.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,423,576 km

• M1: 112,348 km (0.096 R)
• M2: 472,131 km (0.059 R)
• M3: 803,939 km (0.119 R)
• M4: 1,098,497 km (0.086 R)
• M5: 1,527,394 km (0.078 R)
• M6: 2,190,562 km (0.087 R)
• M7: 3,301,775 km (0.056 R)
• M8: 4,458,465 km (0.12 R)
• M9: 5,172,346 km (0.025 R)
• M10: 5,740,818 km (0.113 R)
• M11: 8,160,863 km (0.046 R)
• M12: 10,523,313 km (0.108 R)
• M13: 12,875,440 km (0.038 R)
• M14: 13,806,387 km (0.094 R)
• M15: 14,899,200 km (0.075 R)
• M16: 16,613,143 km (0.096 R)
• M17: 17,191,039 km (0.097 R)
• M18: 21,091,804 km (0.107 R)
• M19: 22,851,972 km (0.085 R)
• M20: 23,406,681 km (0.086 R)
• M21: 24,296,190 km (0.07 R)
• M22: 25,292,362 km (0.103 R)
• M23: 26,836,960 km (0.106 R)
• M24: 27,454,351 km (0.096 R)
• M25: 28,717,555 km (0.109 R)
• M26: 29,643,267 km (0.105 R)
• M27: 30,397,988 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 10.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.47 AU - 6.85 AU

Year: 8980 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,423,576 km

• M1: 137,032 km (0.081 R)
• M2: 518,207 km (0.07 R)
• M3: 935,735 km (0.118 R)
• M4: 1,305,391 km (0.104 R)
• M5: 1,940,284 km (0.113 R)
• M6: 2,354,072 km (0.12 R)
• M7: 3,258,242 km (0.117 R)
• M8: 3,599,325 km (0.119 R)
• M9: 5,443,119 km (0.096 R)
• M10: 7,998,101 km (0.117 R)
• M11: 9,451,294 km (0.094 R)
• M12: 9,884,530 km (0.111 R)
• M13: 10,978,689 km (0.056 R)
• M14: 18,818,066 km (0.095 R)
• M15: 20,279,487 km (0.116 R)
• M16: 21,368,859 km (0.117 R)
• M17: 24,464,039 km (0.12 R)
• M18: 26,973,094 km (0.064 R)
• M19: 30,956,437 km (0.052 R)
• M20: 31,336,864 km (0.114 R)
• M21: 32,010,204 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.3

Radius: 7.1

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.19 AU - 11.25 AU

Year: 18669 Days

Day: 21.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,423,576 km

• M1: 93,499 km (0.087 R)
• M2: 674,836 km (0.083 R)
• M3: 1,634,656 km (0.047 R)
• M4: 2,871,531 km (0.081 R)
• M5: 3,330,049 km (0.065 R)
• M6: 3,994,712 km (0.12 R)
• M7: 5,788,690 km (0.04 R)
• M8: 7,167,533 km (0.03 R)
• M9: 7,856,880 km (0.093 R)
• M10: 9,832,021 km (0.095 R)
• M11: 10,434,451 km (0.109 R)
• M12: 10,870,679 km (0.104 R)
• M13: 11,319,024 km (0.11 R)
• M14: 12,808,570 km (0.085 R)
• M15: 13,527,088 km (0.085 R)
• M16: 14,196,389 km (0.095 R)
• M17: 17,267,783 km (0.114 R)
• M18: 21,345,821 km (0.11 R)
• M19: 22,457,333 km (0.087 R)
• M20: 28,962,896 km (0.114 R)
• M21: 29,699,964 km (0.056 R)
• M22: 49,076,778 km (0.071 R)
• M23: 58,457,762 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 16,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit