🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 14.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 7.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,868,445 km

• M1: 181,612 km (0.102 R)
• M2: 639,381 km (0.112 R)
• M3: 1,398,740 km (0.073 R)
• M4: 2,147,328 km (0.103 R)
• M5: 2,777,584 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 13.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.66 AU - 0.98 AU

Year: 513 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,868,445 km

• M1: 167,998 km (0.052 R)
• M2: 670,498 km (0.064 R)
• M3: 1,209,948 km (0.075 R)
• M4: 1,632,113 km (0.055 R)
• M5: 2,725,823 km (0.111 R)
• M6: 3,273,052 km (0.104 R)
• M7: 3,948,337 km (0.109 R)
• M8: 5,134,648 km (0.066 R)
• M9: 5,632,061 km (0.078 R)
• M10: 6,371,224 km (0.052 R)
• M11: 6,824,954 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 12.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.73 AU - 1.13 AU

Year: 619 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,868,445 km

• M1: 155,582 km (0.025 R)
• M2: 556,803 km (0.089 R)
• M3: 1,256,772 km (0.081 R)
• M4: 1,701,077 km (0.104 R)
• M5: 2,127,431 km (0.102 R)
• M6: 2,625,592 km (0.117 R)
• M7: 3,201,394 km (0.086 R)
• M8: 3,631,040 km (0.062 R)
• M9: 4,748,685 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 11.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.91 AU - 3.23 AU

Year: 3713 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,868,445 km

• M1: 142,118 km (0.095 R)
• M2: 620,532 km (0.116 R)
• M3: 1,335,759 km (0.101 R)
• M4: 2,014,186 km (0.119 R)
• M5: 3,573,145 km (0.051 R)
• M6: 4,055,000 km (0.113 R)
• M7: 6,261,269 km (0.037 R)
• M8: 7,210,318 km (0.04 R)
• M9: 7,719,549 km (0.071 R)
• M10: 8,218,757 km (0.111 R)
• M11: 9,808,235 km (0.12 R)
• M12: 11,044,960 km (0.064 R)
• M13: 12,071,950 km (0.038 R)
• M14: 13,826,434 km (0.099 R)
• M15: 14,513,836 km (0.09 R)
• M16: 16,278,193 km (0.107 R)
• M17: 18,709,009 km (0.072 R)
• M18: 20,668,292 km (0.095 R)
• M19: 22,026,192 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.5

Radius: 11.4

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.1 AU - 3.16 AU

Year: 3822 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,868,445 km

• M1: 142,118 km (0.113 R)
• M2: 498,011 km (0.105 R)
• M3: 1,144,573 km (0.099 R)
• M4: 1,528,441 km (0.108 R)
• M5: 2,072,529 km (0.058 R)
• M6: 2,552,140 km (0.076 R)
• M7: 3,056,284 km (0.117 R)
• M8: 3,888,797 km (0.064 R)
• M9: 4,474,024 km (0.11 R)
• M10: 5,002,254 km (0.114 R)
• M11: 6,210,256 km (0.076 R)
• M12: 7,069,397 km (0.108 R)
• M13: 7,695,314 km (0.07 R)
• M14: 8,619,829 km (0.11 R)
• M15: 10,014,680 km (0.082 R)
• M16: 10,574,924 km (0.12 R)
• M17: 12,466,290 km (0.067 R)
• M18: 12,896,234 km (0.086 R)
• M19: 13,559,551 km (0.11 R)
• M20: 16,340,875 km (0.105 R)
• M21: 18,191,999 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 10.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.95 AU - 3.97 AU

Year: 4442 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,868,445 km

• M1: 125,662 km (0.046 R)
• M2: 462,257 km (0.112 R)
• M3: 800,648 km (0.07 R)
• M4: 1,292,077 km (0.074 R)
• M5: 1,895,555 km (0.101 R)
• M6: 2,270,596 km (0.029 R)
• M7: 2,677,802 km (0.1 R)
• M8: 3,683,698 km (0.085 R)
• M9: 5,582,693 km (0.026 R)
• M10: 6,744,171 km (0.105 R)
• M11: 7,913,578 km (0.095 R)
• M12: 8,244,787 km (0.095 R)
• M13: 9,334,608 km (0.108 R)
• M14: 11,468,921 km (0.058 R)
• M15: 12,575,197 km (0.046 R)
• M16: 12,976,269 km (0.115 R)
• M17: 13,437,629 km (0.119 R)
• M18: 15,910,482 km (0.097 R)
• M19: 21,882,279 km (0.073 R)
• M20: 23,353,424 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 12

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.46 AU - 5.18 AU

Year: 7304 Days

Day: 8.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,868,445 km

• M1: 149,299 km (0.111 R)
• M2: 640,578 km (0.092 R)
• M3: 1,129,614 km (0.075 R)
• M4: 1,792,930 km (0.087 R)
• M5: 2,683,187 km (0.098 R)
• M6: 3,118,517 km (0.103 R)
• M7: 3,576,885 km (0.113 R)
• M8: 4,984,302 km (0.092 R)
• M9: 6,769,154 km (0.113 R)
• M10: 7,502,632 km (0.104 R)
• M11: 8,374,190 km (0.117 R)
• M12: 8,857,092 km (0.097 R)
• M13: 9,312,168 km (0.062 R)
• M14: 11,237,942 km (0.082 R)
• M15: 13,298,353 km (0.07 R)
• M16: 14,511,442 km (0.115 R)
• M17: 16,740,899 km (0.098 R)
• M18: 20,264,378 km (0.096 R)
• M19: 24,342,865 km (0.043 R)
• M20: 24,877,228 km (0.105 R)
• M21: 36,810,501 km (0.107 R)
• M22: 38,950,199 km (0.113 R)
• M23: 41,803,330 km (0.049 R)
• M24: 43,086,281 km (0.081 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 13,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit