🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 10.2

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.74 AU - 0.88 AU

Year: 471 Days

Day: 14.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,577,653 km

• M1: 126,859 km (0.071 R)
• M2: 453,880 km (0.076 R)
• M3: 809,474 km (0.092 R)
• M4: 1,307,635 km (0.048 R)
• M5: 1,877,752 km (0.111 R)
• M6: 2,244,267 km (0.094 R)
• M7: 2,700,990 km (0.088 R)
• M8: 3,054,489 km (0.104 R)
• M9: 3,376,873 km (0.116 R)
• M10: 3,695,666 km (0.059 R)
• M11: 4,204,747 km (0.077 R)
• M12: 5,195,833 km (0.076 R)
• M13: 5,782,107 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.5

Radius: 9.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.86 AU - 0.92 AU

Year: 542 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,577,653 km

• M1: 119,379 km (0.111 R)
• M2: 456,423 km (0.085 R)
• M3: 810,072 km (0.113 R)
• M4: 1,111,363 km (0.059 R)
• M5: 2,317,570 km (0.105 R)
• M6: 3,125,100 km (0.091 R)
• M7: 3,647,794 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 11.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.89 AU - 1.39 AU

Year: 786 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,577,653 km

• M1: 141,071 km (0.082 R)
• M2: 575,503 km (0.057 R)
• M3: 1,087,427 km (0.116 R)
• M4: 1,439,281 km (0.113 R)
• M5: 2,183,381 km (0.053 R)
• M6: 2,861,957 km (0.058 R)
• M7: 3,336,033 km (0.11 R)
• M8: 3,718,704 km (0.12 R)
• M9: 4,655,187 km (0.114 R)
• M10: 5,170,402 km (0.112 R)
• M11: 5,572,072 km (0.048 R)
• M12: 6,376,759 km (0.033 R)
• M13: 7,552,748 km (0.098 R)
• M14: 8,095,489 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 8.6

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.22 AU - 2.02 AU

Year: 1331 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,577,653 km

• M1: 108,608 km (0.087 R)
• M2: 495,767 km (0.104 R)
• M3: 974,481 km (0.104 R)
• M4: 1,279,511 km (0.061 R)
• M5: 1,913,506 km (0.116 R)
• M6: 2,939,748 km (0.093 R)
• M7: 3,333,190 km (0.069 R)
• M8: 3,729,625 km (0.058 R)
• M9: 4,365,565 km (0.071 R)
• M10: 5,618,597 km (0.086 R)
• M11: 5,939,035 km (0.087 R)
• M12: 6,385,136 km (0.109 R)
• M13: 7,832,645 km (0.051 R)
• M14: 8,507,631 km (0.078 R)
• M15: 9,104,078 km (0.088 R)
• M16: 9,819,455 km (0.111 R)
• M17: 10,863,797 km (0.103 R)
• M18: 11,161,048 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 10.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.78 AU - 1.94 AU

Year: 1638 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 18,577,653 km

• M1: 126,709 km (0.083 R)
• M2: 636,988 km (0.106 R)
• M3: 1,655,001 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 11.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.29 AU - 2.35 AU

Year: 2282 Days

Day: 10 Hours

Environment

Temp: -195 °C

Axial Tilt: 175.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,577,653 km

• M1: 138,079 km (0.082 R)
• M2: 623,973 km (0.106 R)
• M3: 1,118,693 km (0.103 R)
• M4: 1,744,610 km (0.066 R)
• M5: 2,229,906 km (0.083 R)
• M6: 2,930,173 km (0.045 R)
• M7: 3,771,811 km (0.052 R)
• M8: 5,399,885 km (0.12 R)
• M9: 6,690,316 km (0.049 R)
• M10: 7,035,588 km (0.098 R)
• M11: 7,951,426 km (0.104 R)
• M12: 10,899,701 km (0.099 R)
• M13: 14,084,191 km (0.08 R)
• M14: 15,736,649 km (0.048 R)
• M15: 16,453,223 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 8.9

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.21 AU - 2.53 AU

Year: 2356 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,577,653 km

• M1: 110,702 km (0.109 R)
• M2: 470,186 km (0.107 R)
• M3: 762,351 km (0.037 R)
• M4: 1,248,843 km (0.057 R)
• M5: 1,620,295 km (0.101 R)
• M6: 1,979,479 km (0.079 R)
• M7: 2,256,833 km (0.095 R)
• M8: 3,512,708 km (0.038 R)
• M9: 4,839,042 km (0.119 R)
• M10: 6,581,558 km (0.097 R)
• M11: 8,313,602 km (0.104 R)
• M12: 9,078,048 km (0.112 R)
• M13: 9,565,737 km (0.091 R)
• M14: 9,888,419 km (0.082 R)
• M15: 11,411,774 km (0.058 R)
• M16: 12,524,633 km (0.107 R)
• M17: 12,954,577 km (0.07 R)
• M18: 13,798,758 km (0.098 R)
• M19: 18,247,200 km (0.081 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: 211 - 13,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit