🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 13.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.6 AU - 0.92 AU

Year: 457 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,369,767 km

• M1: 170,542 km (0.1 R)
• M2: 711,787 km (0.086 R)
• M3: 1,148,912 km (0.112 R)
• M4: 1,620,893 km (0.103 R)
• M5: 2,549,297 km (0.062 R)
• M6: 3,097,723 km (0.102 R)
• M7: 3,701,351 km (0.112 R)
• M8: 4,488,385 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.7

Radius: 8.2

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.93 AU - 1.17 AU

Year: 743 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,369,767 km

• M1: 102,026 km (0.091 R)
• M2: 498,011 km (0.073 R)
• M3: 805,435 km (0.091 R)
• M4: 1,114,055 km (0.093 R)
• M5: 1,618,499 km (0.049 R)
• M6: 1,905,877 km (0.074 R)
• M7: 2,287,800 km (0.117 R)
• M8: 2,629,482 km (0.097 R)
• M9: 2,992,855 km (0.107 R)
• M10: 3,470,222 km (0.077 R)
• M11: 3,791,857 km (0.088 R)
• M12: 4,102,871 km (0.096 R)
• M13: 5,484,408 km (0.108 R)
• M14: 6,362,547 km (0.067 R)
• M15: 6,675,207 km (0.11 R)
• M16: 7,745,280 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 12.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.97 AU - 1.17 AU

Year: 764 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,369,767 km

• M1: 159,471 km (0.062 R)
• M2: 565,630 km (0.105 R)
• M3: 1,018,462 km (0.12 R)
• M4: 1,971,251 km (0.094 R)
• M5: 3,052,993 km (0.078 R)
• M6: 3,614,584 km (0.108 R)
• M7: 4,016,703 km (0.091 R)
• M8: 6,134,111 km (0.053 R)
• M9: 7,276,740 km (0.065 R)
• M10: 7,781,184 km (0.079 R)
• M11: 8,186,743 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.6

Radius: 10.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.94 AU - 1.28 AU

Year: 807 Days

Day: 12.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,369,767 km

• M1: 133,142 km (0.074 R)
• M2: 483,351 km (0.12 R)
• M3: 1,061,696 km (0.103 R)
• M4: 1,851,573 km (0.066 R)
• M5: 2,480,931 km (0.075 R)
• M6: 2,971,911 km (0.092 R)
• M7: 3,694,020 km (0.037 R)
• M8: 4,227,337 km (0.077 R)
• M9: 4,660,422 km (0.101 R)
• M10: 5,035,165 km (0.107 R)
• M11: 5,597,504 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 8.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.54 AU - 3.18 AU

Year: 3339 Days

Day: 13.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,369,767 km

• M1: 105,766 km (0.115 R)
• M2: 413,489 km (0.043 R)
• M3: 820,096 km (0.113 R)
• M4: 1,190,201 km (0.085 R)
• M5: 1,606,083 km (0.115 R)
• M6: 1,991,896 km (0.114 R)
• M7: 2,273,738 km (0.067 R)
• M8: 3,354,433 km (0.073 R)
• M9: 4,008,625 km (0.09 R)
• M10: 5,228,745 km (0.108 R)
• M11: 6,267,403 km (0.091 R)
• M12: 6,679,994 km (0.051 R)
• M13: 7,651,333 km (0.045 R)
• M14: 8,414,880 km (0.107 R)
• M15: 8,713,926 km (0.081 R)
• M16: 8,985,746 km (0.06 R)
• M17: 10,583,601 km (0.098 R)
• M18: 12,447,740 km (0.09 R)
• M19: 13,457,525 km (0.07 R)
• M20: 14,807,197 km (0.053 R)
• M21: 15,342,010 km (0.102 R)
• M22: 17,665,115 km (0.089 R)
• M23: 17,936,934 km (0.071 R)
• M24: 18,377,650 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.2

Radius: 12.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.74 AU - 3.04 AU

Year: 3391 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,369,767 km

• M1: 156,629 km (0.073 R)
• M2: 819,647 km (0.077 R)
• M3: 1,780,364 km (0.046 R)
• M4: 2,394,015 km (0.097 R)
• M5: 3,700,603 km (0.082 R)
• M6: 4,183,205 km (0.099 R)
• M7: 4,665,958 km (0.104 R)
• M8: 5,344,534 km (0.087 R)
• M9: 5,816,515 km (0.103 R)
• M10: 7,092,285 km (0.087 R)
• M11: 7,722,392 km (0.043 R)
• M12: 8,142,612 km (0.099 R)
• M13: 8,931,142 km (0.055 R)
• M14: 9,632,308 km (0.109 R)
• M15: 10,660,643 km (0.114 R)
• M16: 13,145,464 km (0.116 R)
• M17: 14,230,946 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.6

Radius: 3.2

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.23 AU - 7.81 AU

Year: 12839 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 62.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,369,767 km

• M1: 40,092 km (0.051 R)
• M2: 339,438 km (0.067 R)
• M3: 492,626 km (0.108 R)
• M4: 823,835 km (0.057 R)
• M5: 1,009,935 km (0.09 R)
• M6: 1,233,734 km (0.055 R)
• M7: 1,489,546 km (0.031 R)
• M8: 1,687,614 km (0.102 R)
• M9: 2,894,719 km (0.116 R)
• M10: 3,618,772 km (0.047 R)
• M11: 5,972,097 km (0.092 R)
• M12: 6,280,567 km (0.078 R)
• M13: 6,697,197 km (0.112 R)
• M14: 6,828,993 km (0.1 R)
• M15: 7,800,781 km (0.067 R)
• M16: 8,861,131 km (0.115 R)
• M17: 12,662,562 km (0.108 R)
• M18: 13,170,746 km (0.094 R)
• M19: 18,179,582 km (0.114 R)
• M20: 19,022,566 km (0.037 R)
• M21: 22,287,988 km (0.068 R)
• M22: 24,168,284 km (0.042 R)
• M23: 25,266,033 km (0.088 R)
• M24: 25,746,542 km (0.083 R)
• M25: 28,240,637 km (0.071 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 18,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit