🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 12.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.88 AU - 1.1 AU

Year: 636 Days

Day: 11.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,977,896 km

• M1: 156,629 km (0.071 R)
• M2: 671,694 km (0.115 R)
• M3: 1,140,385 km (0.05 R)
• M4: 1,573,770 km (0.094 R)
• M5: 2,078,064 km (0.059 R)
• M6: 2,641,599 km (0.115 R)
• M7: 3,535,297 km (0.119 R)
• M8: 4,040,040 km (0.107 R)
• M9: 5,104,130 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 14.6

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.25 AU

Year: 646 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,977,896 km

• M1: 181,612 km (0.05 R)
• M2: 681,418 km (0.099 R)
• M3: 1,180,327 km (0.085 R)
• M4: 1,868,477 km (0.073 R)
• M5: 2,359,458 km (0.115 R)
• M6: 2,849,391 km (0.092 R)
• M7: 3,309,703 km (0.091 R)
• M8: 3,955,966 km (0.107 R)
• M9: 5,099,642 km (0.055 R)
• M10: 5,555,766 km (0.115 R)
• M11: 6,300,763 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 10.7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.25 AU - 1.31 AU

Year: 935 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,977,896 km

• M1: 132,993 km (0.088 R)
• M2: 610,359 km (0.088 R)
• M3: 999,912 km (0.104 R)
• M4: 1,599,650 km (0.054 R)
• M5: 2,191,310 km (0.115 R)
• M6: 2,974,903 km (0.103 R)
• M7: 3,488,772 km (0.053 R)
• M8: 3,858,578 km (0.088 R)
• M9: 4,337,141 km (0.113 R)
• M10: 4,677,776 km (0.093 R)
• M11: 5,018,111 km (0.108 R)
• M12: 6,118,852 km (0.071 R)
• M13: 6,907,233 km (0.111 R)
• M14: 8,087,410 km (0.067 R)
• M15: 8,765,986 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.6

Radius: 14

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.87 AU - 2.73 AU

Year: 2252 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,977,896 km

• M1: 174,431 km (0.07 R)
• M2: 683,513 km (0.042 R)
• M3: 1,169,107 km (0.061 R)
• M4: 1,619,247 km (0.061 R)
• M5: 2,149,273 km (0.116 R)
• M6: 2,719,240 km (0.069 R)
• M7: 3,642,559 km (0.102 R)
• M8: 4,127,256 km (0.054 R)
• M9: 5,204,211 km (0.117 R)
• M10: 5,977,333 km (0.059 R)
• M11: 6,712,157 km (0.089 R)
• M12: 7,629,342 km (0.103 R)
• M13: 8,329,909 km (0.111 R)
• M14: 10,537,076 km (0.109 R)
• M15: 11,085,053 km (0.083 R)
• M16: 13,110,309 km (0.102 R)
• M17: 15,924,693 km (0.051 R)
• M18: 17,017,207 km (0.099 R)
• M19: 18,158,938 km (0.11 R)
• M20: 19,701,441 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 8

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.4 AU - 5.06 AU

Year: 5617 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,977,896 km

• M1: 99,483 km (0.112 R)
• M2: 410,048 km (0.113 R)
• M3: 687,552 km (0.055 R)
• M4: 1,305,989 km (0.065 R)
• M5: 1,814,024 km (0.088 R)
• M6: 2,348,986 km (0.102 R)
• M7: 2,871,531 km (0.109 R)
• M8: 3,533,502 km (0.106 R)
• M9: 4,342,527 km (0.099 R)
• M10: 7,367,546 km (0.098 R)
• M11: 8,175,823 km (0.11 R)
• M12: 8,562,085 km (0.117 R)
• M13: 9,924,173 km (0.051 R)
• M14: 11,908,290 km (0.05 R)
• M15: 13,281,299 km (0.066 R)
• M16: 14,033,477 km (0.112 R)
• M17: 15,041,617 km (0.095 R)
• M18: 16,217,756 km (0.079 R)
• M19: 18,818,215 km (0.089 R)
• M20: 20,252,261 km (0.103 R)
• M21: 21,247,834 km (0.118 R)
• M22: 25,232,374 km (0.049 R)
• M23: 27,485,467 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.55 AU - 6.41 AU

Year: 8283 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,977,896 km

• M1: 99,782 km (0.086 R)
• M2: 497,563 km (0.088 R)
• M3: 858,093 km (0.092 R)
• M4: 1,135,597 km (0.064 R)
• M5: 1,848,880 km (0.079 R)
• M6: 2,372,323 km (0.069 R)
• M7: 2,970,565 km (0.115 R)
• M8: 3,831,351 km (0.11 R)
• M9: 4,764,842 km (0.11 R)
• M10: 6,036,573 km (0.115 R)
• M11: 6,680,592 km (0.056 R)
• M12: 7,073,885 km (0.1 R)
• M13: 7,867,801 km (0.104 R)
• M14: 8,846,171 km (0.026 R)
• M15: 9,277,013 km (0.112 R)
• M16: 9,631,560 km (0.094 R)
• M17: 12,109,349 km (0.043 R)
• M18: 12,803,035 km (0.078 R)
• M19: 16,033,900 km (0.101 R)
• M20: 16,609,852 km (0.119 R)
• M21: 21,415,534 km (0.101 R)
• M22: 24,551,853 km (0.071 R)
• M23: 25,922,768 km (0.083 R)
• M24: 27,616,066 km (0.109 R)
• M25: 36,099,911 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 19,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit