🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 9.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 13.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,341,905 km

• M1: 118,182 km (0.114 R)
• M2: 506,838 km (0.079 R)
• M3: 899,083 km (0.054 R)
• M4: 1,385,875 km (0.103 R)
• M5: 1,807,741 km (0.103 R)
• M6: 2,119,503 km (0.098 R)
• M7: 2,476,443 km (0.079 R)
• M8: 2,912,371 km (0.077 R)
• M9: 3,902,859 km (0.1 R)
• M10: 4,300,041 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 12.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,341,905 km

• M1: 160,369 km (0.105 R)
• M2: 571,015 km (0.074 R)
• M3: 1,164,619 km (0.09 R)
• M4: 1,566,888 km (0.104 R)
• M5: 2,184,877 km (0.076 R)
• M6: 2,801,071 km (0.09 R)
• M7: 3,220,244 km (0.068 R)
• M8: 3,668,738 km (0.034 R)
• M9: 4,471,331 km (0.105 R)
• M10: 4,891,701 km (0.115 R)
• M11: 5,935,296 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 12.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.1 AU - 1.62 AU

Year: 1076 Days

Day: 13.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,341,905 km

• M1: 163,660 km (0.066 R)
• M2: 558,898 km (0.086 R)
• M3: 993,629 km (0.048 R)
• M4: 1,489,097 km (0.037 R)
• M5: 2,077,017 km (0.076 R)
• M6: 2,716,847 km (0.062 R)
• M7: 3,755,804 km (0.089 R)
• M8: 4,392,792 km (0.115 R)
• M9: 5,043,543 km (0.079 R)
• M10: 6,161,488 km (0.087 R)
• M11: 6,860,708 km (0.099 R)
• M12: 7,738,548 km (0.081 R)
• M13: 8,257,802 km (0.118 R)
• M14: 9,337,301 km (0.059 R)
• M15: 10,016,774 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 11

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4 AU - 5.8 AU

Year: 7357 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,341,905 km

• M1: 136,732 km (0.104 R)
• M2: 524,789 km (0.069 R)
• M3: 1,089,970 km (0.111 R)
• M4: 1,452,595 km (0.057 R)
• M5: 1,897,350 km (0.074 R)
• M6: 2,342,553 km (0.099 R)
• M7: 3,376,574 km (0.062 R)
• M8: 3,907,496 km (0.096 R)
• M9: 7,208,373 km (0.088 R)
• M10: 9,226,000 km (0.112 R)
• M11: 10,315,671 km (0.106 R)
• M12: 11,755,550 km (0.116 R)
• M13: 13,325,131 km (0.105 R)
• M14: 13,798,160 km (0.106 R)
• M15: 14,343,743 km (0.102 R)
• M16: 16,067,260 km (0.092 R)
• M17: 17,220,959 km (0.083 R)
• M18: 19,390,128 km (0.116 R)
• M19: 25,690,293 km (0.069 R)
• M20: 27,932,914 km (0.097 R)
• M21: 28,806,416 km (0.103 R)
• M22: 30,710,498 km (0.058 R)
• M23: 32,590,345 km (0.115 R)
• M24: 33,018,344 km (0.108 R)
• M25: 36,924,494 km (0.091 R)
• M26: 38,450,542 km (0.104 R)
• M27: 41,128,344 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 9.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.61 AU - 5.47 AU

Year: 7674 Days

Day: 13.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,341,905 km

• M1: 119,379 km (0.042 R)
• M2: 477,068 km (0.092 R)
• M3: 2,379,504 km (0.071 R)
• M4: 2,756,640 km (0.075 R)
• M5: 3,374,479 km (0.098 R)
• M6: 3,953,273 km (0.081 R)
• M7: 4,402,366 km (0.115 R)
• M8: 6,405,781 km (0.093 R)
• M9: 9,222,110 km (0.107 R)
• M10: 9,542,848 km (0.087 R)
• M11: 9,966,210 km (0.082 R)
• M12: 12,383,712 km (0.114 R)
• M13: 13,996,526 km (0.104 R)
• M14: 14,298,714 km (0.078 R)
• M15: 16,469,978 km (0.068 R)
• M16: 17,424,861 km (0.093 R)
• M17: 18,200,675 km (0.115 R)
• M18: 19,370,082 km (0.059 R)
• M19: 23,178,245 km (0.028 R)
• M20: 24,551,105 km (0.061 R)
• M21: 24,991,072 km (0.105 R)
• M22: 26,068,476 km (0.064 R)
• M23: 31,819,617 km (0.099 R)
• M24: 32,659,310 km (0.09 R)
• M25: 35,267,100 km (0.073 R)
• M26: 36,850,743 km (0.118 R)
• M27: 39,194,642 km (0.041 R)
• M28: 40,037,925 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.9

Radius: 9.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.02 AU - 6.18 AU

Year: 7812 Days

Day: 13.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,341,905 km

• M1: 116,387 km (0.051 R)
• M2: 477,516 km (0.117 R)
• M3: 822,938 km (0.107 R)
• M4: 1,164,320 km (0.095 R)
• M5: 1,576,462 km (0.056 R)
• M6: 1,871,769 km (0.083 R)
• M7: 2,297,524 km (0.09 R)
• M8: 2,627,836 km (0.06 R)
• M9: 3,283,374 km (0.11 R)
• M10: 4,379,328 km (0.083 R)
• M11: 4,864,324 km (0.085 R)
• M12: 6,666,829 km (0.09 R)
• M13: 8,484,144 km (0.096 R)
• M14: 9,197,875 km (0.118 R)
• M15: 9,653,401 km (0.095 R)
• M16: 10,699,539 km (0.082 R)
• M17: 12,358,280 km (0.104 R)
• M18: 12,760,399 km (0.065 R)
• M19: 15,015,737 km (0.1 R)
• M20: 16,417,469 km (0.054 R)
• M21: 17,336,748 km (0.098 R)
• M22: 18,096,406 km (0.117 R)
• M23: 19,077,169 km (0.118 R)
• M24: 25,153,536 km (0.055 R)
• M25: 27,633,719 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253

Radius: 14.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.01 AU - 6.25 AU

Year: 7881 Days

Day: 6.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,341,905 km

• M1: 184,005 km (0.056 R)
• M2: 679,025 km (0.093 R)
• M3: 1,184,965 km (0.063 R)
• M4: 2,092,425 km (0.105 R)
• M5: 2,894,569 km (0.033 R)
• M6: 3,593,490 km (0.078 R)
• M7: 4,878,087 km (0.082 R)
• M8: 5,640,887 km (0.085 R)
• M9: 6,295,078 km (0.107 R)
• M10: 6,802,365 km (0.106 R)
• M11: 13,599,643 km (0.087 R)
• M12: 14,505,458 km (0.063 R)
• M13: 15,910,482 km (0.043 R)
• M14: 17,220,360 km (0.113 R)
• M15: 18,924,879 km (0.083 R)
• M16: 19,450,865 km (0.056 R)
• M17: 19,919,106 km (0.075 R)
• M18: 21,940,024 km (0.075 R)
• M19: 25,981,111 km (0.113 R)
• M20: 27,375,962 km (0.093 R)
• M21: 28,561,674 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 17,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit