🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 11.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.97 AU - 0.99 AU

Year: 617 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,215,731 km

• M1: 138,528 km (0.083 R)
• M2: 555,008 km (0.045 R)
• M3: 1,011,282 km (0.056 R)
• M4: 1,476,681 km (0.062 R)
• M5: 1,839,306 km (0.037 R)
• M6: 2,195,199 km (0.078 R)
• M7: 2,738,838 km (0.111 R)
• M8: 3,952,525 km (0.045 R)
• M9: 4,336,094 km (0.11 R)
• M10: 5,512,831 km (0.101 R)
• M11: 7,123,701 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 9

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.02 AU - 1.36 AU

Year: 825 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,215,731 km

• M1: 111,899 km (0.088 R)
• M2: 480,808 km (0.084 R)
• M3: 813,812 km (0.117 R)
• M4: 1,118,992 km (0.067 R)
• M5: 2,185,326 km (0.11 R)
• M6: 4,017,600 km (0.103 R)
• M7: 4,414,783 km (0.04 R)
• M8: 4,716,821 km (0.071 R)
• M9: 5,362,635 km (0.102 R)
• M10: 6,504,216 km (0.109 R)
• M11: 7,561,424 km (0.11 R)
• M12: 8,019,792 km (0.12 R)
• M13: 8,318,838 km (0.046 R)
• M14: 8,807,425 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 12.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.1 AU - 1.72 AU

Year: 1065 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,215,731 km

• M1: 159,172 km (0.111 R)
• M2: 571,165 km (0.062 R)
• M3: 1,024,745 km (0.039 R)
• M4: 1,618,499 km (0.12 R)
• M5: 2,030,641 km (0.115 R)
• M6: 2,735,696 km (0.064 R)
• M7: 3,247,171 km (0.079 R)
• M8: 4,363,471 km (0.099 R)
• M9: 4,811,816 km (0.081 R)
• M10: 5,405,869 km (0.096 R)
• M11: 6,090,279 km (0.109 R)
• M12: 7,730,769 km (0.119 R)
• M13: 8,574,202 km (0.088 R)
• M14: 8,977,368 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 11.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.26 AU - 1.82 AU

Year: 1215 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,215,731 km

• M1: 148,251 km (0.067 R)
• M2: 593,455 km (0.098 R)
• M3: 1,128,118 km (0.043 R)
• M4: 1,601,445 km (0.111 R)
• M5: 2,114,716 km (0.12 R)
• M6: 2,748,711 km (0.108 R)
• M7: 3,157,861 km (0.071 R)
• M8: 4,330,410 km (0.116 R)
• M9: 4,779,951 km (0.091 R)
• M10: 5,184,763 km (0.113 R)
• M11: 5,958,782 km (0.113 R)
• M12: 6,472,501 km (0.111 R)
• M13: 7,132,527 km (0.075 R)
• M14: 8,219,356 km (0.069 R)
• M15: 8,911,545 km (0.09 R)
• M16: 9,470,144 km (0.081 R)
• M17: 9,963,218 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 14.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.64 AU - 2.38 AU

Year: 1812 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,215,731 km

• M1: 185,352 km (0.083 R)
• M2: 855,251 km (0.072 R)
• M3: 1,328,279 km (0.11 R)
• M4: 2,005,958 km (0.096 R)
• M5: 2,684,235 km (0.11 R)
• M6: 3,447,333 km (0.113 R)
• M7: 4,313,505 km (0.067 R)
• M8: 5,103,382 km (0.028 R)
• M9: 5,728,701 km (0.089 R)
• M10: 6,230,901 km (0.117 R)
• M11: 6,919,949 km (0.067 R)
• M12: 8,789,174 km (0.095 R)
• M13: 9,624,379 km (0.109 R)
• M14: 11,194,558 km (0.05 R)
• M15: 12,176,668 km (0.062 R)
• M16: 12,889,502 km (0.083 R)
• M17: 13,883,430 km (0.08 R)
• M18: 14,838,762 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 12.8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.22 AU - 2.46 AU

Year: 2276 Days

Day: 9 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,215,731 km

• M1: 164,408 km (0.088 R)
• M2: 723,904 km (0.077 R)
• M3: 1,242,560 km (0.099 R)
• M4: 1,877,752 km (0.096 R)
• M5: 2,373,969 km (0.091 R)
• M6: 2,989,863 km (0.091 R)
• M7: 3,654,227 km (0.118 R)
• M8: 4,457,867 km (0.063 R)
• M9: 6,117,955 km (0.078 R)
• M10: 7,587,305 km (0.117 R)
• M11: 8,622,372 km (0.116 R)
• M12: 9,387,117 km (0.115 R)
• M13: 10,972,405 km (0.096 R)
• M14: 11,745,378 km (0.119 R)
• M15: 12,295,000 km (0.068 R)
• M16: 12,729,432 km (0.063 R)
• M17: 13,309,573 km (0.112 R)
• M18: 15,057,624 km (0.065 R)
• M19: 16,115,431 km (0.04 R)
• M20: 16,531,163 km (0.029 R)
• M21: 18,378,846 km (0.072 R)
• M22: 19,236,341 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 13.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.21 AU - 2.63 AU

Year: 2394 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 64.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,215,731 km

• M1: 172,486 km (0.082 R)
• M2: 887,115 km (0.106 R)
• M3: 1,567,935 km (0.114 R)
• M4: 3,561,477 km (0.062 R)
• M5: 4,510,675 km (0.112 R)
• M6: 5,121,932 km (0.032 R)
• M7: 6,179,589 km (0.097 R)
• M8: 6,747,313 km (0.08 R)
• M9: 7,209,720 km (0.095 R)
• M10: 8,474,719 km (0.091 R)
• M11: 11,865,355 km (0.115 R)
• M12: 12,950,538 km (0.106 R)
• M13: 15,928,583 km (0.025 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 11,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit