🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 13.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.06 AU - 1.42 AU

Year: 892 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,952,708 km

• M1: 162,912 km (0.087 R)
• M2: 591,809 km (0.119 R)
• M3: 1,020,108 km (0.087 R)
• M4: 1,532,929 km (0.059 R)
• M5: 2,100,354 km (0.117 R)
• M6: 2,724,327 km (0.055 R)
• M7: 4,219,707 km (0.073 R)
• M8: 4,761,102 km (0.104 R)
• M9: 5,293,221 km (0.113 R)
• M10: 6,024,157 km (0.082 R)
• M11: 6,755,989 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 9.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.31 AU - 1.89 AU

Year: 1307 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,952,708 km

• M1: 122,670 km (0.105 R)
• M2: 473,328 km (0.096 R)
• M3: 794,963 km (0.094 R)
• M4: 1,717,384 km (0.103 R)
• M5: 2,430,217 km (0.085 R)
• M6: 2,778,332 km (0.082 R)
• M7: 3,093,834 km (0.084 R)
• M8: 4,215,070 km (0.114 R)
• M9: 4,943,462 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.7

Radius: 11.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.2 AU - 5.1 AU

Year: 5459 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,952,708 km

• M1: 144,063 km (0.101 R)
• M2: 733,628 km (0.069 R)
• M3: 1,223,561 km (0.068 R)
• M4: 2,997,642 km (0.039 R)
• M5: 3,384,053 km (0.083 R)
• M6: 5,698,033 km (0.054 R)
• M7: 6,513,641 km (0.115 R)
• M8: 7,032,745 km (0.108 R)
• M9: 9,635,599 km (0.11 R)
• M10: 13,484,004 km (0.108 R)
• M11: 14,709,061 km (0.069 R)
• M12: 16,654,133 km (0.101 R)
• M13: 18,189,605 km (0.095 R)
• M14: 21,258,456 km (0.061 R)
• M15: 26,729,549 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.5

Radius: 3.9

Gravity: 32.18 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.43 AU - 10.25 AU

Year: 18430 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,952,708 km

• M1: 48,470 km (0.108 R)
• M2: 214,075 km (0.096 R)
• M3: 661,821 km (0.045 R)
• M4: 811,419 km (0.12 R)
• M5: 1,329,626 km (0.103 R)
• M6: 1,461,571 km (0.11 R)
• M7: 1,618,350 km (0.107 R)
• M8: 2,003,564 km (0.07 R)
• M9: 3,750,568 km (0.073 R)
• M10: 4,106,761 km (0.096 R)
• M11: 4,749,732 km (0.09 R)
• M12: 5,238,169 km (0.094 R)
• M13: 5,383,579 km (0.108 R)
• M14: 6,072,028 km (0.102 R)
• M15: 7,211,964 km (0.051 R)
• M16: 7,761,586 km (0.062 R)
• M17: 10,184,473 km (0.11 R)
• M18: 11,172,268 km (0.095 R)
• M19: 11,352,982 km (0.119 R)
• M20: 12,032,306 km (0.06 R)
• M21: 13,539,505 km (0.115 R)
• M22: 15,991,264 km (0.119 R)
• M23: 16,764,985 km (0.111 R)
• M24: 18,723,370 km (0.094 R)
• M25: 20,467,681 km (0.086 R)
• M26: 21,657,733 km (0.069 R)
• M27: 22,603,939 km (0.116 R)
• M28: 27,751,452 km (0.09 R)
• M29: 31,186,668 km (0.079 R)
• M30: 35,800,416 km (0.104 R)
• M31: 40,140,549 km (0.096 R)
• M32: 40,848,895 km (0.118 R)
• M33: 53,342,861 km (0.049 R)
• M34: 60,447,862 km (0.052 R)
• M35: 60,818,715 km (0.071 R)
• M36: 61,565,209 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.1

Radius: 3.8

Gravity: 33.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.85 AU - 10.61 AU

Year: 19597 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,952,708 km

• M1: 50,115 km (0.114 R)
• M2: 424,559 km (0.083 R)
• M3: 658,081 km (0.118 R)
• M4: 1,645,427 km (0.081 R)
• M5: 2,517,882 km (0.097 R)
• M6: 3,221,141 km (0.064 R)
• M7: 3,408,887 km (0.107 R)
• M8: 5,669,161 km (0.078 R)
• M9: 6,391,120 km (0.059 R)
• M10: 9,079,843 km (0.115 R)
• M11: 10,877,860 km (0.086 R)
• M12: 11,485,077 km (0.118 R)
• M13: 12,372,641 km (0.113 R)
• M14: 16,303,326 km (0.112 R)
• M15: 18,934,752 km (0.103 R)
• M16: 20,260,189 km (0.072 R)
• M17: 21,551,967 km (0.111 R)
• M18: 22,604,687 km (0.109 R)
• M19: 26,830,528 km (0.118 R)
• M20: 40,128,731 km (0.032 R)
• M21: 45,953,025 km (0.101 R)
• M22: 48,984,028 km (0.03 R)
• M23: 51,637,744 km (0.067 R)
• M24: 51,975,985 km (0.084 R)
• M25: 53,863,162 km (0.093 R)
• M26: 54,735,767 km (0.091 R)
• M27: 56,868,583 km (0.098 R)
• M28: 66,153,076 km (0.098 R)
• M29: 66,952,677 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 14,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit