🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 10.3

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.64 AU - 0.92 AU

Year: 467 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,540,495 km

• M1: 128,056 km (0.032 R)
• M2: 640,578 km (0.106 R)
• M3: 1,055,862 km (0.099 R)
• M4: 1,650,813 km (0.061 R)
• M5: 2,029,894 km (0.079 R)
• M6: 2,767,860 km (0.073 R)
• M7: 3,093,385 km (0.087 R)
• M8: 3,457,057 km (0.083 R)
• M9: 3,986,634 km (0.112 R)
• M10: 5,125,522 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 13.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.23 AU - 1.31 AU

Year: 971 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,540,495 km

• M1: 164,258 km (0.089 R)
• M2: 646,712 km (0.1 R)
• M3: 1,236,127 km (0.095 R)
• M4: 1,880,296 km (0.082 R)
• M5: 2,644,741 km (0.11 R)
• M6: 3,113,431 km (0.088 R)
• M7: 3,667,841 km (0.089 R)
• M8: 4,703,058 km (0.103 R)
• M9: 6,598,612 km (0.086 R)
• M10: 7,323,265 km (0.111 R)
• M11: 9,127,415 km (0.117 R)
• M12: 9,878,695 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 10.4

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.09 AU - 1.53 AU

Year: 1017 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,540,495 km

• M1: 131,497 km (0.111 R)
• M2: 579,991 km (0.11 R)
• M3: 992,582 km (0.082 R)
• M4: 1,369,269 km (0.104 R)
• M5: 2,096,465 km (0.112 R)
• M6: 2,481,380 km (0.106 R)
• M7: 2,860,012 km (0.103 R)
• M8: 3,425,342 km (0.075 R)
• M9: 3,831,650 km (0.1 R)
• M10: 4,322,780 km (0.077 R)
• M11: 4,855,498 km (0.1 R)
• M12: 5,369,965 km (0.054 R)
• M13: 5,747,101 km (0.113 R)
• M14: 6,187,069 km (0.102 R)
• M15: 7,309,651 km (0.052 R)
• M16: 7,800,332 km (0.052 R)
• M17: 8,933,985 km (0.057 R)
• M18: 10,655,557 km (0.116 R)
• M19: 11,051,543 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 8.5

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.22 AU - 1.56 AU

Year: 1112 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,540,495 km

• M1: 105,766 km (0.028 R)
• M2: 392,096 km (0.115 R)
• M3: 725,998 km (0.075 R)
• M4: 1,319,154 km (0.118 R)
• M5: 1,912,908 km (0.08 R)
• M6: 2,478,837 km (0.118 R)
• M7: 2,853,579 km (0.069 R)
• M8: 3,426,689 km (0.091 R)
• M9: 3,828,509 km (0.071 R)
• M10: 4,124,862 km (0.112 R)
• M11: 5,107,421 km (0.12 R)
• M12: 5,487,848 km (0.105 R)
• M13: 6,351,028 km (0.115 R)
• M14: 6,697,048 km (0.084 R)
• M15: 8,317,193 km (0.025 R)
• M16: 8,901,522 km (0.087 R)
• M17: 9,335,356 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 8.7

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.2 AU - 2.92 AU

Year: 2778 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,540,495 km

• M1: 108,159 km (0.11 R)
• M2: 623,374 km (0.105 R)
• M3: 1,002,755 km (0.114 R)
• M4: 1,314,068 km (0.065 R)
• M5: 1,835,267 km (0.045 R)
• M6: 2,176,499 km (0.082 R)
• M7: 2,722,681 km (0.116 R)
• M8: 3,202,890 km (0.106 R)
• M9: 3,910,339 km (0.078 R)
• M10: 4,395,185 km (0.119 R)
• M11: 5,937,091 km (0.047 R)
• M12: 6,225,366 km (0.087 R)
• M13: 7,059,673 km (0.043 R)
• M14: 8,415,628 km (0.1 R)
• M15: 9,017,610 km (0.051 R)
• M16: 10,457,789 km (0.085 R)
• M17: 11,432,419 km (0.079 R)
• M18: 11,921,155 km (0.099 R)
• M19: 13,516,168 km (0.119 R)
• M20: 17,019,451 km (0.087 R)
• M21: 18,420,435 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 11.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.7 AU - 5.32 AU

Year: 7606 Days

Day: 14.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,540,495 km

• M1: 150,196 km (0.101 R)
• M2: 512,373 km (0.08 R)
• M3: 1,267,992 km (0.101 R)
• M4: 1,658,292 km (0.074 R)
• M5: 2,059,065 km (0.118 R)
• M6: 3,023,971 km (0.11 R)
• M7: 3,466,033 km (0.092 R)
• M8: 4,084,919 km (0.104 R)
• M9: 5,460,921 km (0.045 R)
• M10: 5,856,158 km (0.036 R)
• M11: 6,453,951 km (0.039 R)
• M12: 7,426,637 km (0.1 R)
• M13: 8,457,216 km (0.056 R)
• M14: 9,500,063 km (0.102 R)
• M15: 9,948,857 km (0.1 R)
• M16: 10,369,077 km (0.065 R)
• M17: 11,840,522 km (0.076 R)
• M18: 12,360,823 km (0.087 R)
• M19: 13,044,785 km (0.065 R)
• M20: 14,703,227 km (0.103 R)
• M21: 16,849,956 km (0.072 R)
• M22: 22,681,730 km (0.107 R)
• M23: 25,070,658 km (0.107 R)
• M24: 26,969,205 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 18,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit