🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.6

Radius: 11.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.87 AU

Year: 386 Days

Day: 6.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,226,271 km

• M1: 145,559 km (0.081 R)
• M2: 549,473 km (0.049 R)
• M3: 1,058,704 km (0.064 R)
• M4: 1,512,285 km (0.083 R)
• M5: 2,775,340 km (0.1 R)
• M6: 3,728,727 km (0.117 R)
• M7: 5,186,409 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.2

Radius: 14.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.82 AU - 0.92 AU

Year: 524 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,226,271 km

• M1: 181,612 km (0.109 R)
• M2: 717,920 km (0.035 R)
• M3: 1,321,548 km (0.106 R)
• M4: 1,920,837 km (0.039 R)
• M5: 2,383,244 km (0.095 R)
• M6: 3,205,134 km (0.045 R)
• M7: 3,705,838 km (0.11 R)
• M8: 4,160,915 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 8.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 524 Days

Day: 8.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 12,226,271 km

• M1: 109,506 km (0.077 R)
• M2: 394,789 km (0.083 R)
• M3: 1,247,796 km (0.072 R)
• M4: 1,851,274 km (0.117 R)
• M5: 2,223,922 km (0.092 R)
• M6: 2,744,223 km (0.115 R)
• M7: 3,091,889 km (0.102 R)
• M8: 3,752,214 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 10.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.88 AU - 1.12 AU

Year: 646 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,226,271 km

• M1: 131,796 km (0.06 R)
• M2: 464,053 km (0.108 R)
• M3: 799,152 km (0.071 R)
• M4: 1,188,405 km (0.081 R)
• M5: 1,824,047 km (0.109 R)
• M6: 2,410,470 km (0.09 R)
• M7: 2,872,429 km (0.054 R)
• M8: 3,260,486 km (0.107 R)
• M9: 3,640,913 km (0.091 R)
• M10: 4,020,892 km (0.117 R)
• M11: 4,623,771 km (0.117 R)
• M12: 5,545,743 km (0.093 R)
• M13: 6,070,532 km (0.12 R)
• M14: 6,438,543 km (0.109 R)
• M15: 7,174,714 km (0.101 R)
• M16: 7,846,259 km (0.11 R)
• M17: 8,408,148 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.3

Radius: 14.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.05 AU - 1.27 AU

Year: 807 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,226,271 km

• M1: 180,565 km (0.118 R)
• M2: 727,046 km (0.088 R)
• M3: 1,272,928 km (0.115 R)
• M4: 1,819,708 km (0.109 R)
• M5: 2,665,834 km (0.079 R)
• M6: 3,158,909 km (0.113 R)
• M7: 4,724,899 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 8.4

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.53 AU - 2.35 AU

Year: 1745 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,226,271 km

• M1: 104,419 km (0.108 R)
• M2: 561,291 km (0.055 R)
• M3: 1,300,903 km (0.065 R)
• M4: 1,932,655 km (0.063 R)
• M5: 2,568,745 km (0.067 R)
• M6: 2,978,793 km (0.086 R)
• M7: 3,527,817 km (0.081 R)
• M8: 4,142,664 km (0.113 R)
• M9: 5,628,919 km (0.073 R)
• M10: 6,322,604 km (0.114 R)
• M11: 6,590,684 km (0.104 R)
• M12: 7,176,210 km (0.094 R)
• M13: 8,305,375 km (0.094 R)
• M14: 8,627,459 km (0.108 R)
• M15: 11,585,607 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.8

Radius: 14

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.14 AU - 2.8 AU

Year: 2506 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,226,271 km

• M1: 174,132 km (0.06 R)
• M2: 773,571 km (0.071 R)
• M3: 1,347,129 km (0.105 R)
• M4: 1,915,750 km (0.12 R)
• M5: 2,856,272 km (0.063 R)
• M6: 3,584,215 km (0.075 R)
• M7: 4,199,661 km (0.066 R)
• M8: 7,888,146 km (0.061 R)
• M9: 8,902,420 km (0.113 R)
• M10: 10,106,383 km (0.106 R)
• M11: 10,784,211 km (0.095 R)
• M12: 12,672,884 km (0.11 R)
• M13: 13,209,043 km (0.096 R)
• M14: 14,683,330 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 12.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.7 AU - 3.18 AU

Year: 3255 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,226,271 km

• M1: 159,471 km (0.107 R)
• M2: 712,834 km (0.109 R)
• M3: 1,138,889 km (0.084 R)
• M4: 3,105,203 km (0.094 R)
• M5: 4,020,742 km (0.091 R)
• M6: 6,454,101 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 12,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit