🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 8.3

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.56 AU - 0.84 AU

Year: 372 Days

Day: 12.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,314,499 km

• M1: 103,223 km (0.078 R)
• M2: 463,604 km (0.088 R)
• M3: 782,696 km (0.073 R)
• M4: 1,166,863 km (0.083 R)
• M5: 1,825,393 km (0.076 R)
• M6: 2,672,566 km (0.053 R)
• M7: 3,426,390 km (0.108 R)
• M8: 5,057,306 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 13.6

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.2 AU - 1.24 AU

Year: 857 Days

Day: 15 Hours

Environment

Temp: -175 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,314,499 km

• M1: 169,195 km (0.06 R)
• M2: 593,904 km (0.093 R)
• M3: 1,274,275 km (0.054 R)
• M4: 2,139,250 km (0.077 R)
• M5: 2,644,292 km (0.12 R)
• M6: 3,395,273 km (0.076 R)
• M7: 3,993,216 km (0.103 R)
• M8: 4,678,374 km (0.113 R)
• M9: 5,228,446 km (0.081 R)
• M10: 5,739,921 km (0.119 R)
• M11: 6,306,298 km (0.076 R)
• M12: 7,430,077 km (0.086 R)
• M13: 7,925,546 km (0.082 R)
• M14: 9,233,480 km (0.078 R)
• M15: 10,043,103 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 14.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.39 AU - 1.85 AU

Year: 1311 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,314,499 km

• M1: 181,612 km (0.09 R)
• M2: 704,756 km (0.081 R)
• M3: 1,293,423 km (0.109 R)
• M4: 1,814,024 km (0.115 R)
• M5: 2,401,794 km (0.112 R)
• M6: 2,928,378 km (0.045 R)
• M7: 3,696,115 km (0.107 R)
• M8: 5,350,517 km (0.109 R)
• M9: 6,235,538 km (0.091 R)
• M10: 6,726,070 km (0.06 R)
• M11: 7,757,697 km (0.056 R)
• M12: 8,680,865 km (0.105 R)
• M13: 11,856,828 km (0.111 R)
• M14: 13,161,471 km (0.113 R)
• M15: 13,684,914 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 10.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.76 AU - 2.4 AU

Year: 1907 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,314,499 km

• M1: 139,126 km (0.104 R)
• M2: 626,217 km (0.092 R)
• M3: 1,111,213 km (0.104 R)
• M4: 1,461,272 km (0.117 R)
• M5: 2,531,046 km (0.053 R)
• M6: 2,913,269 km (0.093 R)
• M7: 3,577,483 km (0.077 R)
• M8: 4,041,985 km (0.118 R)
• M9: 4,781,597 km (0.091 R)
• M10: 5,370,264 km (0.096 R)
• M11: 6,396,207 km (0.113 R)
• M12: 8,507,033 km (0.113 R)
• M13: 8,899,278 km (0.054 R)
• M14: 9,720,421 km (0.106 R)
• M15: 10,553,980 km (0.099 R)
• M16: 11,316,929 km (0.093 R)
• M17: 15,987,973 km (0.078 R)
• M18: 17,097,092 km (0.1 R)
• M19: 17,723,309 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 12

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.36 AU - 4.54 AU

Year: 5969 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,314,499 km

• M1: 149,299 km (0.1 R)
• M2: 701,614 km (0.107 R)
• M3: 1,118,693 km (0.113 R)
• M4: 2,326,995 km (0.082 R)
• M5: 2,827,699 km (0.072 R)
• M6: 3,484,733 km (0.096 R)
• M7: 3,861,570 km (0.03 R)
• M8: 4,804,336 km (0.086 R)
• M9: 9,461,916 km (0.114 R)
• M10: 10,156,798 km (0.071 R)
• M11: 14,209,105 km (0.1 R)
• M12: 15,889,987 km (0.08 R)
• M13: 17,829,523 km (0.092 R)
• M14: 20,918,719 km (0.106 R)
• M15: 26,662,230 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 13.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.32 AU - 6.52 AU

Year: 8023 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,314,499 km

• M1: 167,550 km (0.108 R)
• M2: 850,763 km (0.11 R)
• M3: 1,268,440 km (0.116 R)
• M4: 2,070,584 km (0.088 R)
• M5: 2,896,514 km (0.085 R)
• M6: 3,375,975 km (0.095 R)
• M7: 4,050,512 km (0.083 R)
• M8: 4,653,391 km (0.095 R)
• M9: 5,761,164 km (0.096 R)
• M10: 6,727,416 km (0.061 R)
• M11: 7,874,383 km (0.068 R)
• M12: 8,534,708 km (0.079 R)
• M13: 9,316,207 km (0.099 R)
• M14: 9,833,966 km (0.05 R)
• M15: 10,370,872 km (0.104 R)
• M16: 12,980,757 km (0.093 R)
• M17: 18,774,832 km (0.099 R)
• M18: 20,168,187 km (0.097 R)
• M19: 21,854,454 km (0.114 R)
• M20: 24,435,615 km (0.065 R)
• M21: 24,925,997 km (0.104 R)
• M22: 28,185,136 km (0.098 R)
• M23: 30,856,206 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.6

Radius: 3.2

Gravity: 50.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.94 AU - 7.54 AU

Year: 9911 Days

Day: 21.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,314,499 km

• M1: 40,092 km (0.082 R)
• M2: 185,801 km (0.116 R)
• M3: 327,320 km (0.084 R)
• M4: 566,378 km (0.059 R)
• M5: 668,403 km (0.064 R)
• M6: 1,073,514 km (0.117 R)
• M7: 1,816,866 km (0.027 R)
• M8: 2,830,242 km (0.049 R)
• M9: 3,480,394 km (0.037 R)
• M10: 4,334,897 km (0.071 R)
• M11: 5,384,476 km (0.071 R)
• M12: 6,555,678 km (0.11 R)
• M13: 6,741,030 km (0.103 R)
• M14: 7,437,707 km (0.064 R)
• M15: 8,837,494 km (0.079 R)
• M16: 10,503,865 km (0.117 R)
• M17: 11,979,049 km (0.078 R)
• M18: 12,765,934 km (0.09 R)
• M19: 14,194,145 km (0.047 R)
• M20: 18,589,929 km (0.114 R)
• M21: 22,867,830 km (0.07 R)
• M22: 28,733,263 km (0.12 R)
• M23: 32,650,334 km (0.072 R)
• M24: 33,299,738 km (0.037 R)
• M25: 33,627,507 km (0.075 R)
• M26: 40,894,373 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 19,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit