🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.6

Radius: 13.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.59 AU - 0.69 AU

Year: 347 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 30,960,557 km

• M1: 181,013 km (0.104 R)
• M2: 736,620 km (0.088 R)
• M3: 1,361,490 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 8.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.72 AU - 0.78 AU

Year: 441 Days

Day: 8.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,960,557 km

• M1: 105,766 km (0.037 R)
• M2: 383,120 km (0.119 R)
• M3: 680,371 km (0.066 R)
• M4: 965,355 km (0.07 R)
• M5: 1,293,423 km (0.096 R)
• M6: 1,810,583 km (0.102 R)
• M7: 2,109,928 km (0.079 R)
• M8: 2,425,430 km (0.099 R)
• M9: 2,838,021 km (0.086 R)
• M10: 3,424,594 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 10.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.7 AU - 0.84 AU

Year: 458 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,960,557 km

• M1: 135,536 km (0.049 R)
• M2: 484,996 km (0.05 R)
• M3: 879,336 km (0.101 R)
• M4: 1,650,214 km (0.09 R)
• M5: 2,355,867 km (0.047 R)
• M6: 2,750,955 km (0.113 R)
• M7: 3,357,724 km (0.118 R)
• M8: 3,967,485 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.3

Radius: 11.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.87 AU - 1.07 AU

Year: 648 Days

Day: 9.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,960,557 km

• M1: 140,622 km (0.085 R)
• M2: 512,822 km (0.064 R)
• M3: 912,697 km (0.101 R)
• M4: 1,307,037 km (0.118 R)
• M5: 1,858,754 km (0.087 R)
• M6: 2,498,584 km (0.119 R)
• M7: 3,882,663 km (0.075 R)
• M8: 4,701,562 km (0.1 R)
• M9: 5,117,893 km (0.102 R)
• M10: 5,929,910 km (0.094 R)
• M11: 6,397,104 km (0.065 R)
• M12: 7,015,392 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 10.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.89 AU - 2.23 AU

Year: 2005 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,960,557 km

• M1: 131,347 km (0.071 R)
• M2: 578,495 km (0.114 R)
• M3: 1,278,015 km (0.093 R)
• M4: 2,114,267 km (0.106 R)
• M5: 2,848,942 km (0.06 R)
• M6: 3,508,220 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612

Radius: 11.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.78 AU - 5.82 AU

Year: 7133 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,960,557 km

• M1: 145,858 km (0.087 R)
• M2: 525,837 km (0.106 R)
• M3: 1,146,518 km (0.1 R)
• M4: 1,801,757 km (0.052 R)
• M5: 2,240,378 km (0.102 R)
• M6: 3,187,931 km (0.092 R)
• M7: 4,104,517 km (0.089 R)
• M8: 4,789,376 km (0.112 R)
• M9: 6,319,762 km (0.105 R)
• M10: 6,766,461 km (0.109 R)
• M11: 9,368,267 km (0.096 R)
• M12: 10,508,502 km (0.113 R)
• M13: 11,136,813 km (0.116 R)
• M14: 12,468,833 km (0.115 R)
• M15: 12,899,226 km (0.11 R)
• M16: 16,579,932 km (0.112 R)
• M17: 19,223,775 km (0.104 R)
• M18: 20,164,297 km (0.073 R)
• M19: 22,609,923 km (0.1 R)
• M20: 25,161,614 km (0.106 R)
• M21: 26,906,224 km (0.057 R)
• M22: 27,445,076 km (0.108 R)
• M23: 28,451,570 km (0.1 R)
• M24: 30,151,301 km (0.109 R)
• M25: 32,319,573 km (0.098 R)
• M26: 33,030,761 km (0.107 R)
• M27: 33,960,512 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.6

Radius: 3.1

Gravity: 21.29 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.13 AU - 6.49 AU

Year: 9499 Days

Day: 21 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,960,557 km

• M1: 38,596 km (0.115 R)
• M2: 138,827 km (0.083 R)
• M3: 465,997 km (0.109 R)
• M4: 848,669 km (0.104 R)
• M5: 1,042,398 km (0.12 R)
• M6: 1,222,065 km (0.08 R)
• M7: 1,341,743 km (0.105 R)
• M8: 1,708,707 km (0.087 R)
• M9: 2,636,812 km (0.093 R)
• M10: 2,781,772 km (0.119 R)
• M11: 3,127,643 km (0.081 R)
• M12: 3,880,718 km (0.085 R)
• M13: 4,564,381 km (0.113 R)
• M14: 5,527,342 km (0.092 R)
• M15: 7,372,482 km (0.087 R)
• M16: 8,648,702 km (0.051 R)
• M17: 9,173,192 km (0.03 R)
• M18: 9,548,533 km (0.098 R)
• M19: 9,761,411 km (0.102 R)
• M20: 12,518,200 km (0.1 R)
• M21: 12,824,577 km (0.052 R)
• M22: 12,927,799 km (0.103 R)
• M23: 21,327,271 km (0.059 R)
• M24: 23,110,777 km (0.081 R)
• M25: 27,826,102 km (0.107 R)
• M26: 28,260,235 km (0.115 R)
• M27: 30,775,424 km (0.11 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: 273 - 18,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit