🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 12.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.65 AU - 0.75 AU

Year: 397 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,603,200 km

• M1: 153,039 km (0.109 R)
• M2: 578,345 km (0.042 R)
• M3: 997,967 km (0.089 R)
• M4: 1,487,302 km (0.069 R)
• M5: 1,896,751 km (0.096 R)
• M6: 2,389,976 km (0.045 R)
• M7: 3,248,069 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 10.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.66 AU - 0.78 AU

Year: 414 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,603,200 km

• M1: 129,402 km (0.068 R)
• M2: 475,572 km (0.056 R)
• M3: 959,371 km (0.069 R)
• M4: 1,488,648 km (0.073 R)
• M5: 2,068,939 km (0.11 R)
• M6: 2,603,601 km (0.114 R)
• M7: 3,071,543 km (0.114 R)
• M8: 3,461,844 km (0.082 R)
• M9: 4,069,361 km (0.087 R)
• M10: 4,658,178 km (0.088 R)
• M11: 5,646,721 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 13.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.64 AU - 0.98 AU

Year: 494 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,603,200 km

• M1: 172,935 km (0.119 R)
• M2: 609,611 km (0.081 R)
• M3: 1,191,846 km (0.03 R)
• M4: 2,649,229 km (0.108 R)
• M5: 3,593,790 km (0.118 R)
• M6: 5,020,804 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 12.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.63 AU - 3.39 AU

Year: 3542 Days

Day: 7.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,603,200 km

• M1: 155,582 km (0.102 R)
• M2: 1,437,336 km (0.091 R)
• M3: 1,983,817 km (0.063 R)
• M4: 2,889,333 km (0.109 R)
• M5: 3,391,085 km (0.046 R)
• M6: 4,437,821 km (0.086 R)
• M7: 6,312,282 km (0.097 R)
• M8: 8,562,533 km (0.072 R)
• M9: 10,371,620 km (0.112 R)
• M10: 14,239,773 km (0.112 R)
• M11: 16,280,437 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 8.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.93 AU - 4.19 AU

Year: 4556 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,603,200 km

• M1: 125,363 km (0.108 R)
• M2: 861,684 km (0.033 R)
• M3: 1,821,803 km (0.074 R)
• M4: 2,537,030 km (0.101 R)
• M5: 2,824,557 km (0.098 R)
• M6: 3,408,887 km (0.069 R)
• M7: 4,582,183 km (0.053 R)
• M8: 5,185,212 km (0.076 R)
• M9: 8,447,792 km (0.08 R)
• M10: 10,242,966 km (0.045 R)
• M11: 11,878,071 km (0.1 R)
• M12: 12,505,335 km (0.098 R)
• M13: 15,977,501 km (0.063 R)
• M14: 17,875,599 km (0.108 R)
• M15: 20,868,753 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 12.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.26 AU - 5.6 AU

Year: 8582 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,603,200 km

• M1: 158,873 km (0.084 R)
• M2: 717,621 km (0.045 R)
• M3: 1,351,617 km (0.098 R)
• M4: 2,340,309 km (0.112 R)
• M5: 3,031,900 km (0.027 R)
• M6: 4,220,306 km (0.068 R)
• M7: 5,075,557 km (0.083 R)
• M8: 5,575,213 km (0.116 R)
• M9: 6,336,517 km (0.116 R)
• M10: 7,421,102 km (0.098 R)
• M11: 8,223,545 km (0.105 R)
• M12: 10,694,752 km (0.083 R)
• M13: 14,189,358 km (0.118 R)
• M14: 14,593,721 km (0.101 R)
• M15: 15,668,731 km (0.1 R)
• M16: 16,163,152 km (0.096 R)
• M17: 19,422,591 km (0.101 R)
• M18: 20,428,936 km (0.114 R)
• M19: 21,094,048 km (0.07 R)
• M20: 21,697,376 km (0.082 R)
• M21: 22,780,764 km (0.071 R)
• M22: 23,176,301 km (0.111 R)
• M23: 23,576,475 km (0.048 R)
• M24: 26,075,058 km (0.072 R)
• M25: 27,656,158 km (0.031 R)
• M26: 29,300,389 km (0.073 R)
• M27: 30,527,839 km (0.068 R)
• M28: 34,623,530 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.5

Radius: 7.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.12 AU - 11.34 AU

Year: 20585 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,603,200 km

• M1: 90,956 km (0.082 R)
• M2: 391,647 km (0.088 R)
• M3: 628,610 km (0.105 R)
• M4: 1,149,211 km (0.102 R)
• M5: 2,771,001 km (0.114 R)
• M6: 3,964,792 km (0.067 R)
• M7: 6,207,414 km (0.11 R)
• M8: 7,086,900 km (0.049 R)
• M9: 10,924,684 km (0.079 R)
• M10: 12,819,790 km (0.073 R)
• M11: 15,306,405 km (0.044 R)
• M12: 16,765,134 km (0.116 R)
• M13: 19,423,638 km (0.116 R)
• M14: 21,775,616 km (0.104 R)
• M15: 25,108,507 km (0.1 R)
• M16: 29,558,445 km (0.115 R)
• M17: 29,959,816 km (0.044 R)
• M18: 30,671,004 km (0.09 R)
• M19: 35,288,343 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 12,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit