🌌 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: 640

Radius: 10.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.39 AU - 0.65 AU

Year: 264 Days

Day: 14.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,541,592 km

• M1: 130,599 km (0.067 R)
• M2: 519,254 km (0.047 R)
• M3: 898,784 km (0.11 R)
• M4: 1,350,420 km (0.045 R)
• M5: 1,681,480 km (0.076 R)
• M6: 2,135,061 km (0.077 R)
• M7: 2,513,095 km (0.095 R)
• M8: 3,219,945 km (0.069 R)
• M9: 3,709,130 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 12.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.67 AU - 0.81 AU

Year: 447 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,541,592 km

• M1: 152,590 km (0.117 R)
• M2: 563,834 km (0.031 R)
• M3: 1,149,959 km (0.116 R)
• M4: 1,852,171 km (0.114 R)
• M5: 2,285,257 km (0.12 R)
• M6: 2,748,861 km (0.11 R)
• M7: 3,181,049 km (0.036 R)
• M8: 3,762,237 km (0.097 R)
• M9: 4,336,094 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.6

Radius: 11.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.72 AU - 0.76 AU

Year: 447 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,541,592 km

• M1: 139,276 km (0.059 R)
• M2: 729,589 km (0.107 R)
• M3: 1,230,442 km (0.117 R)
• M4: 1,649,017 km (0.054 R)
• M5: 2,219,284 km (0.074 R)
• M6: 2,782,371 km (0.083 R)
• M7: 3,561,327 km (0.093 R)
• M8: 4,021,041 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 11.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.13 AU - 1.15 AU

Year: 856 Days

Day: 6.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,541,592 km

• M1: 141,370 km (0.092 R)
• M2: 587,920 km (0.117 R)
• M3: 1,225,655 km (0.102 R)
• M4: 1,579,155 km (0.107 R)
• M5: 2,021,666 km (0.069 R)
• M6: 2,546,605 km (0.116 R)
• M7: 2,976,100 km (0.057 R)
• M8: 3,673,974 km (0.075 R)
• M9: 4,030,167 km (0.112 R)
• M10: 4,616,889 km (0.103 R)
• M11: 5,051,621 km (0.12 R)
• M12: 5,775,525 km (0.11 R)
• M13: 6,259,325 km (0.112 R)
• M14: 7,094,829 km (0.111 R)
• M15: 8,366,111 km (0.091 R)
• M16: 9,153,744 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.7

Radius: 10

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.08 AU - 1.5 AU

Year: 1030 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,541,592 km

• M1: 124,465 km (0.087 R)
• M2: 449,691 km (0.07 R)
• M3: 844,031 km (0.118 R)
• M4: 1,299,407 km (0.062 R)
• M5: 1,645,128 km (0.104 R)
• M6: 2,061,608 km (0.108 R)
• M7: 2,476,892 km (0.079 R)
• M8: 3,489,819 km (0.072 R)
• M9: 3,970,627 km (0.098 R)
• M10: 4,934,486 km (0.065 R)
• M11: 5,718,528 km (0.118 R)
• M12: 6,178,392 km (0.109 R)
• M13: 6,524,562 km (0.047 R)
• M14: 6,924,437 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 14.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.7 AU - 2.74 AU

Year: 2325 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,541,592 km

• M1: 185,950 km (0.104 R)
• M2: 791,223 km (0.086 R)
• M3: 1,542,354 km (0.084 R)
• M4: 2,574,729 km (0.115 R)
• M5: 3,155,019 km (0.082 R)
• M6: 4,979,664 km (0.049 R)
• M7: 6,287,150 km (0.066 R)
• M8: 7,647,443 km (0.097 R)
• M9: 8,123,164 km (0.118 R)
• M10: 10,463,324 km (0.098 R)
• M11: 13,503,751 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 9.2

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.85 AU - 3.65 AU

Year: 4118 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,541,592 km

• M1: 115,340 km (0.088 R)
• M2: 559,945 km (0.089 R)
• M3: 1,186,162 km (0.082 R)
• M4: 1,588,430 km (0.075 R)
• M5: 2,226,166 km (0.088 R)
• M6: 2,688,723 km (0.095 R)
• M7: 3,081,267 km (0.045 R)
• M8: 3,573,744 km (0.094 R)
• M9: 3,893,883 km (0.087 R)
• M10: 4,186,796 km (0.102 R)
• M11: 4,641,573 km (0.113 R)
• M12: 5,707,009 km (0.1 R)
• M13: 6,451,109 km (0.113 R)
• M14: 7,158,109 km (0.105 R)
• M15: 8,167,894 km (0.09 R)
• M16: 11,307,205 km (0.11 R)
• M17: 12,722,401 km (0.12 R)
• M18: 14,041,406 km (0.104 R)
• M19: 16,419,413 km (0.098 R)
• M20: 18,354,761 km (0.081 R)
• M21: 19,312,337 km (0.078 R)
• M22: 25,533,514 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 8.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.11 AU - 4.23 AU

Year: 4942 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,541,592 km

• M1: 110,403 km (0.086 R)
• M2: 485,445 km (0.11 R)
• M3: 1,622,090 km (0.082 R)
• M4: 2,050,388 km (0.095 R)
• M5: 4,585,474 km (0.088 R)
• M6: 5,629,966 km (0.052 R)
• M7: 9,633,654 km (0.108 R)
• M8: 12,574,150 km (0.107 R)
• M9: 19,531,049 km (0.119 R)
• M10: 22,234,432 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.5

Radius: 3.4

Gravity: 78.94 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.1 AU - 10.5 AU

Year: 19936 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,541,592 km

• M1: 43,234 km (0.087 R)
• M2: 205,398 km (0.108 R)
• M3: 403,914 km (0.047 R)
• M4: 606,021 km (0.083 R)
• M5: 772,224 km (0.086 R)
• M6: 1,509,891 km (0.098 R)
• M7: 2,252,046 km (0.102 R)
• M8: 2,778,332 km (0.046 R)
• M9: 3,181,498 km (0.112 R)
• M10: 4,169,741 km (0.113 R)
• M11: 4,733,426 km (0.068 R)
• M12: 5,110,562 km (0.119 R)
• M13: 5,386,271 km (0.094 R)
• M14: 10,988,712 km (0.116 R)
• M15: 11,315,134 km (0.096 R)
• M16: 11,782,927 km (0.047 R)
• M17: 13,044,934 km (0.028 R)
• M18: 14,239,773 km (0.074 R)
• M19: 16,503,188 km (0.118 R)
• M20: 18,078,155 km (0.082 R)
• M21: 18,624,636 km (0.107 R)
• M22: 20,525,875 km (0.036 R)
• M23: 21,422,116 km (0.117 R)
• M24: 21,624,821 km (0.113 R)
• M25: 24,266,869 km (0.067 R)
• M26: 25,722,307 km (0.051 R)
• M27: 25,836,599 km (0.077 R)
• M28: 27,711,809 km (0.113 R)
• M29: 28,560,029 km (0.071 R)
• M30: 28,682,549 km (0.04 R)
• M31: 30,563,443 km (0.109 R)
• M32: 36,986,578 km (0.091 R)
• M33: 39,819,662 km (0.062 R)
• M34: 61,933,369 km (0.103 R)
• M35: 62,757,803 km (0.106 R)
• M36: 75,779,400 km (0.101 R)
• M37: 77,196,540 km (0.087 R)
• M38: 79,355,088 km (0.053 R)
• M39: 81,553,578 km (0.091 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: 321 - 11,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit