🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 8.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.74 AU - 0.96 AU

Year: 541 Days

Day: 14.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,812,749 km

• M1: 103,073 km (0.034 R)
• M2: 382,522 km (0.046 R)
• M3: 804,687 km (0.07 R)
• M4: 1,238,521 km (0.099 R)
• M5: 2,097,063 km (0.085 R)
• M6: 2,843,257 km (0.101 R)
• M7: 3,204,985 km (0.085 R)
• M8: 3,478,599 km (0.108 R)
• M9: 4,272,366 km (0.114 R)
• M10: 5,321,645 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 9.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.78 AU - 1.08 AU

Year: 619 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,812,749 km

• M1: 113,096 km (0.119 R)
• M2: 406,158 km (0.111 R)
• M3: 701,764 km (0.085 R)
• M4: 1,088,175 km (0.107 R)
• M5: 1,703,920 km (0.08 R)
• M6: 2,139,399 km (0.032 R)
• M7: 2,536,133 km (0.048 R)
• M8: 2,959,046 km (0.048 R)
• M9: 3,604,411 km (0.094 R)
• M10: 3,933,526 km (0.118 R)
• M11: 4,398,776 km (0.099 R)
• M12: 4,853,254 km (0.088 R)
• M13: 5,206,155 km (0.076 R)
• M14: 5,593,464 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 11.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.17 AU - 1.49 AU

Year: 1059 Days

Day: 5 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,812,749 km

• M1: 146,756 km (0.104 R)
• M2: 594,053 km (0.096 R)
• M3: 1,262,157 km (0.091 R)
• M4: 1,733,690 km (0.096 R)
• M5: 2,155,257 km (0.07 R)
• M6: 3,935,770 km (0.109 R)
• M7: 4,454,127 km (0.119 R)
• M8: 5,357,997 km (0.084 R)
• M9: 6,018,472 km (0.1 R)
• M10: 6,613,572 km (0.096 R)
• M11: 7,605,556 km (0.083 R)
• M12: 9,607,175 km (0.101 R)
• M13: 10,293,081 km (0.109 R)
• M14: 10,746,363 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 10.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.95 AU - 2.07 AU

Year: 1967 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,812,749 km

• M1: 130,599 km (0.073 R)
• M2: 532,718 km (0.059 R)
• M3: 1,256,173 km (0.073 R)
• M4: 1,860,698 km (0.097 R)
• M5: 2,506,961 km (0.077 R)
• M6: 3,000,784 km (0.08 R)
• M7: 3,540,832 km (0.114 R)
• M8: 4,026,427 km (0.049 R)
• M9: 4,513,667 km (0.106 R)
• M10: 4,882,276 km (0.118 R)
• M11: 6,137,253 km (0.118 R)
• M12: 6,563,607 km (0.067 R)
• M13: 7,777,743 km (0.067 R)
• M14: 9,446,208 km (0.115 R)
• M15: 9,835,312 km (0.032 R)
• M16: 10,198,236 km (0.081 R)
• M17: 10,874,269 km (0.077 R)
• M18: 12,866,165 km (0.086 R)
• M19: 13,790,231 km (0.116 R)
• M20: 14,570,085 km (0.095 R)
• M21: 15,090,236 km (0.077 R)
• M22: 15,622,805 km (0.084 R)
• M23: 16,268,170 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 10.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.32 AU - 2.72 AU

Year: 2761 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,812,749 km

• M1: 135,536 km (0.032 R)
• M2: 578,046 km (0.048 R)
• M3: 917,484 km (0.112 R)
• M4: 1,521,111 km (0.081 R)
• M5: 3,328,852 km (0.104 R)
• M6: 3,884,159 km (0.115 R)
• M7: 4,250,375 km (0.119 R)
• M8: 4,639,479 km (0.092 R)
• M9: 4,988,939 km (0.12 R)
• M10: 5,445,063 km (0.066 R)
• M11: 7,388,190 km (0.103 R)
• M12: 7,837,732 km (0.077 R)
• M13: 8,305,674 km (0.044 R)
• M14: 9,137,438 km (0.12 R)
• M15: 9,989,996 km (0.09 R)
• M16: 13,980,370 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 13.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.68 AU - 3.9 AU

Year: 5093 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,812,749 km

• M1: 171,589 km (0.116 R)
• M2: 660,325 km (0.101 R)
• M3: 1,292,974 km (0.1 R)
• M4: 1,912,310 km (0.115 R)
• M5: 2,394,015 km (0.089 R)
• M6: 5,009,584 km (0.12 R)
• M7: 5,559,356 km (0.074 R)
• M8: 6,715,748 km (0.095 R)
• M9: 8,285,777 km (0.111 R)
• M10: 8,899,278 km (0.03 R)
• M11: 11,059,471 km (0.033 R)
• M12: 12,237,405 km (0.111 R)
• M13: 13,341,737 km (0.064 R)
• M14: 14,620,948 km (0.096 R)
• M15: 15,234,000 km (0.072 R)
• M16: 15,980,493 km (0.074 R)
• M17: 19,147,181 km (0.12 R)
• M18: 25,878,936 km (0.098 R)
• M19: 27,191,657 km (0.065 R)
• M20: 28,119,613 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 13.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.6 AU - 6.36 AU

Year: 8855 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,812,749 km

• M1: 163,959 km (0.063 R)
• M2: 596,896 km (0.104 R)
• M3: 1,107,922 km (0.118 R)
• M4: 1,599,500 km (0.09 R)
• M5: 2,718,792 km (0.095 R)
• M6: 4,249,776 km (0.113 R)
• M7: 6,148,323 km (0.101 R)
• M8: 6,826,749 km (0.109 R)
• M9: 9,454,885 km (0.082 R)
• M10: 10,568,790 km (0.061 R)
• M11: 11,212,211 km (0.12 R)
• M12: 13,798,010 km (0.063 R)
• M13: 17,047,276 km (0.107 R)
• M14: 19,240,381 km (0.111 R)
• M15: 21,530,724 km (0.108 R)
• M16: 33,083,420 km (0.081 R)
• M17: 35,638,551 km (0.089 R)
• M18: 39,458,383 km (0.065 R)
• M19: 46,039,941 km (0.115 R)
• M20: 48,630,677 km (0.081 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: 497 - 16,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit