🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 12.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.51 AU - 0.79 AU

Year: 362 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 175.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,017,396 km

• M1: 153,039 km (0.056 R)
• M2: 553,512 km (0.113 R)
• M3: 1,238,970 km (0.091 R)
• M4: 1,855,163 km (0.109 R)
• M5: 2,321,609 km (0.092 R)
• M6: 3,257,194 km (0.109 R)
• M7: 4,187,843 km (0.12 R)
• M8: 4,680,319 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 8.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.33 AU - 1.51 AU

Year: 1168 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,017,396 km

• M1: 103,522 km (0.114 R)
• M2: 382,372 km (0.048 R)
• M3: 748,139 km (0.068 R)
• M4: 1,202,168 km (0.077 R)
• M5: 2,224,221 km (0.098 R)
• M6: 2,550,494 km (0.062 R)
• M7: 2,854,028 km (0.06 R)
• M8: 3,818,635 km (0.07 R)
• M9: 4,189,040 km (0.09 R)
• M10: 5,463,015 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 11

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.09 AU - 2.79 AU

Year: 2631 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,017,396 km

• M1: 136,882 km (0.081 R)
• M2: 833,709 km (0.099 R)
• M3: 1,458,579 km (0.047 R)
• M4: 2,715,650 km (0.109 R)
• M5: 5,831,923 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 6.5

Gravity: 19.74 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.4 AU - 8.86 AU

Year: 16001 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,017,396 km

• M1: 81,381 km (0.037 R)
• M2: 331,359 km (0.12 R)
• M3: 538,104 km (0.09 R)
• M4: 795,412 km (0.106 R)
• M5: 1,047,634 km (0.101 R)
• M6: 1,281,904 km (0.06 R)
• M7: 1,649,167 km (0.11 R)
• M8: 2,308,594 km (0.033 R)
• M9: 2,927,780 km (0.089 R)
• M10: 3,453,766 km (0.11 R)
• M11: 3,858,129 km (0.084 R)
• M12: 4,556,751 km (0.104 R)
• M13: 5,680,231 km (0.116 R)
• M14: 5,997,827 km (0.115 R)
• M15: 8,614,743 km (0.063 R)
• M16: 9,087,771 km (0.092 R)
• M17: 10,375,360 km (0.071 R)
• M18: 11,154,616 km (0.113 R)
• M19: 12,896,683 km (0.089 R)
• M20: 13,655,892 km (0.08 R)
• M21: 14,444,273 km (0.088 R)
• M22: 15,036,531 km (0.108 R)
• M23: 15,567,902 km (0.11 R)
• M24: 16,587,861 km (0.12 R)
• M25: 17,819,201 km (0.108 R)
• M26: 18,500,320 km (0.102 R)
• M27: 25,859,638 km (0.119 R)
• M28: 26,953,348 km (0.104 R)
• M29: 27,624,144 km (0.109 R)
• M30: 28,882,861 km (0.106 R)
• M31: 29,115,785 km (0.118 R)
• M32: 31,637,406 km (0.101 R)
• M33: 34,170,996 km (0.105 R)
• M34: 35,620,450 km (0.108 R)
• M35: 36,157,656 km (0.08 R)
• M36: 41,680,660 km (0.089 R)
• M37: 44,719,740 km (0.066 R)
• M38: 45,031,502 km (0.096 R)
• M39: 64,305,692 km (0.107 R)
• M40: 69,807,752 km (0.12 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: 453 - 13,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit