🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 14.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.63 AU - 1.01 AU

Year: 522 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,871,744 km

• M1: 181,612 km (0.096 R)
• M2: 769,232 km (0.114 R)
• M3: 1,232,836 km (0.103 R)
• M4: 1,982,920 km (0.092 R)
• M5: 2,437,548 km (0.117 R)
• M6: 3,392,281 km (0.102 R)
• M7: 4,233,021 km (0.094 R)
• M8: 5,029,032 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 12.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.93 AU - 1.55 AU

Year: 971 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,871,744 km

• M1: 159,471 km (0.102 R)
• M2: 599,139 km (0.062 R)
• M3: 1,112,709 km (0.069 R)
• M4: 1,631,664 km (0.037 R)
• M5: 2,321,759 km (0.098 R)
• M6: 3,267,217 km (0.088 R)
• M7: 3,998,601 km (0.076 R)
• M8: 4,437,522 km (0.111 R)
• M9: 5,128,514 km (0.107 R)
• M10: 6,352,524 km (0.102 R)
• M11: 8,371,347 km (0.114 R)
• M12: 9,569,925 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688

Radius: 11.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.21 AU - 1.97 AU

Year: 1409 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,871,744 km

• M1: 140,622 km (0.053 R)
• M2: 711,039 km (0.104 R)
• M3: 1,072,916 km (0.105 R)
• M4: 1,856,360 km (0.102 R)
• M5: 2,256,684 km (0.103 R)
• M6: 2,959,943 km (0.077 R)
• M7: 3,591,097 km (0.101 R)
• M8: 4,782,046 km (0.103 R)
• M9: 5,630,864 km (0.099 R)
• M10: 7,101,860 km (0.083 R)
• M11: 8,933,686 km (0.107 R)
• M12: 9,452,491 km (0.12 R)
• M13: 10,153,806 km (0.103 R)
• M14: 10,685,477 km (0.064 R)
• M15: 11,482,085 km (0.063 R)
• M16: 12,693,679 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 10.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.61 AU - 2.51 AU

Year: 2078 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,871,744 km

• M1: 131,945 km (0.099 R)
• M2: 649,255 km (0.087 R)
• M3: 1,116,150 km (0.061 R)
• M4: 1,649,616 km (0.064 R)
• M5: 2,819,022 km (0.113 R)
• M6: 3,353,236 km (0.095 R)
• M7: 3,751,466 km (0.079 R)
• M8: 4,454,725 km (0.06 R)
• M9: 5,369,816 km (0.033 R)
• M10: 6,501,673 km (0.08 R)
• M11: 8,633,443 km (0.111 R)
• M12: 9,921,929 km (0.105 R)
• M13: 12,762,194 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 9.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.08 AU - 2.32 AU

Year: 2294 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,871,744 km

• M1: 115,639 km (0.109 R)
• M2: 437,574 km (0.074 R)
• M3: 906,862 km (0.119 R)
• M4: 1,294,321 km (0.091 R)
• M5: 1,705,416 km (0.117 R)
• M6: 2,189,814 km (0.083 R)
• M7: 2,618,711 km (0.057 R)
• M8: 3,055,088 km (0.031 R)
• M9: 3,452,420 km (0.067 R)
• M10: 3,997,405 km (0.105 R)
• M11: 5,398,688 km (0.046 R)
• M12: 7,244,277 km (0.114 R)
• M13: 8,325,271 km (0.113 R)
• M14: 8,676,228 km (0.067 R)
• M15: 10,804,706 km (0.116 R)
• M16: 12,294,103 km (0.116 R)
• M17: 16,459,207 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.4

Radius: 13.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.18 AU - 2.5 AU

Year: 2516 Days

Day: 14.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,871,744 km

• M1: 177,573 km (0.092 R)
• M2: 729,589 km (0.081 R)
• M3: 1,290,880 km (0.106 R)
• M4: 1,855,612 km (0.076 R)
• M5: 2,518,929 km (0.114 R)
• M6: 4,325,323 km (0.118 R)
• M7: 5,066,281 km (0.099 R)
• M8: 8,690,440 km (0.12 R)
• M9: 9,445,460 km (0.057 R)
• M10: 10,800,517 km (0.12 R)
• M11: 11,786,218 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.2

Radius: 8.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.74 AU - 4.98 AU

Year: 7531 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,871,744 km

• M1: 109,506 km (0.096 R)
• M2: 1,113,008 km (0.11 R)
• M3: 1,964,220 km (0.109 R)
• M4: 2,466,420 km (0.087 R)
• M5: 2,795,835 km (0.107 R)
• M6: 3,844,964 km (0.113 R)
• M7: 4,290,018 km (0.046 R)
• M8: 5,107,870 km (0.085 R)
• M9: 5,523,453 km (0.03 R)
• M10: 7,304,864 km (0.036 R)
• M11: 8,881,476 km (0.049 R)
• M12: 9,704,863 km (0.096 R)
• M13: 10,768,504 km (0.077 R)
• M14: 12,908,351 km (0.084 R)
• M15: 15,015,587 km (0.114 R)
• M16: 19,397,309 km (0.049 R)
• M17: 21,762,900 km (0.079 R)
• M18: 22,071,520 km (0.119 R)
• M19: 23,415,807 km (0.113 R)
• M20: 23,984,877 km (0.057 R)
• M21: 26,616,752 km (0.104 R)
• M22: 27,147,526 km (0.102 R)
• M23: 28,689,730 km (0.026 R)
• M24: 29,718,066 km (0.11 R)
• M25: 35,657,550 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 17,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit