🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 13.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.47 AU - 0.73 AU

Year: 321 Days

Day: 14.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,063,448 km

• M1: 165,006 km (0.028 R)
• M2: 597,943 km (0.103 R)
• M3: 1,221,616 km (0.08 R)
• M4: 2,356,615 km (0.077 R)
• M5: 3,088,448 km (0.098 R)
• M6: 3,588,255 km (0.086 R)
• M7: 4,116,634 km (0.112 R)
• M8: 4,628,109 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 12.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.18 AU - 1.32 AU

Year: 965 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,063,448 km

• M1: 160,668 km (0.1 R)
• M2: 568,771 km (0.066 R)
• M3: 1,203,515 km (0.118 R)
• M4: 1,686,566 km (0.094 R)
• M5: 2,197,742 km (0.101 R)
• M6: 2,788,056 km (0.082 R)
• M7: 3,468,875 km (0.104 R)
• M8: 3,946,990 km (0.094 R)
• M9: 4,485,692 km (0.094 R)
• M10: 5,404,672 km (0.063 R)
• M11: 5,969,553 km (0.084 R)
• M12: 6,530,695 km (0.088 R)
• M13: 8,479,507 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 14.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.09 AU - 3.35 AU

Year: 3096 Days

Day: 10.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,063,448 km

• M1: 182,061 km (0.117 R)
• M2: 644,318 km (0.05 R)
• M3: 1,637,349 km (0.086 R)
• M4: 2,328,790 km (0.09 R)
• M5: 4,712,931 km (0.097 R)
• M6: 5,534,672 km (0.119 R)
• M7: 10,370,424 km (0.083 R)
• M8: 11,392,775 km (0.069 R)
• M9: 15,656,315 km (0.111 R)
• M10: 18,761,069 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.5

Radius: 14.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.81 AU - 4.35 AU

Year: 5689 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,063,448 km

• M1: 183,108 km (0.118 R)
• M2: 827,875 km (0.109 R)
• M3: 1,335,610 km (0.096 R)
• M4: 2,101,850 km (0.111 R)
• M5: 2,729,862 km (0.075 R)
• M6: 3,838,083 km (0.116 R)
• M7: 5,200,022 km (0.092 R)
• M8: 7,214,657 km (0.103 R)
• M9: 10,467,961 km (0.055 R)
• M10: 11,957,956 km (0.077 R)
• M11: 14,538,370 km (0.11 R)
• M12: 16,893,040 km (0.103 R)
• M13: 19,075,823 km (0.116 R)
• M14: 29,609,757 km (0.117 R)
• M15: 32,082,011 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.1

Radius: 12.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.96 AU - 5.4 AU

Year: 6988 Days

Day: 10.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,063,448 km

• M1: 162,762 km (0.089 R)
• M2: 776,263 km (0.081 R)
• M3: 1,475,633 km (0.034 R)
• M4: 1,898,696 km (0.045 R)
• M5: 2,371,725 km (0.085 R)
• M6: 3,518,392 km (0.067 R)
• M7: 4,871,655 km (0.047 R)
• M8: 5,593,913 km (0.1 R)
• M9: 6,197,092 km (0.059 R)
• M10: 8,501,348 km (0.093 R)
• M11: 10,368,628 km (0.112 R)
• M12: 11,047,952 km (0.115 R)
• M13: 13,005,291 km (0.082 R)
• M14: 15,069,891 km (0.077 R)
• M15: 17,094,997 km (0.028 R)
• M16: 17,723,757 km (0.088 R)
• M17: 21,533,716 km (0.091 R)
• M18: 22,267,344 km (0.092 R)
• M19: 23,093,423 km (0.066 R)
• M20: 24,568,309 km (0.105 R)
• M21: 27,277,975 km (0.082 R)
• M22: 29,459,112 km (0.081 R)
• M23: 29,999,459 km (0.076 R)
• M24: 30,546,389 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.6

Radius: 4.1

Gravity: 23.24 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.38 AU - 6.6 AU

Year: 10119 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,063,448 km

• M1: 52,509 km (0.046 R)
• M2: 221,106 km (0.037 R)
• M3: 459,864 km (0.056 R)
• M4: 668,702 km (0.06 R)
• M5: 957,875 km (0.087 R)
• M6: 1,301,651 km (0.11 R)
• M7: 2,498,284 km (0.096 R)
• M8: 3,166,089 km (0.106 R)
• M9: 6,386,632 km (0.091 R)
• M10: 8,867,713 km (0.086 R)
• M11: 9,819,604 km (0.086 R)
• M12: 10,638,653 km (0.064 R)
• M13: 11,450,221 km (0.085 R)
• M14: 11,764,825 km (0.104 R)
• M15: 13,716,479 km (0.046 R)
• M16: 15,362,056 km (0.109 R)
• M17: 16,462,946 km (0.082 R)
• M18: 19,258,931 km (0.108 R)
• M19: 20,307,761 km (0.055 R)
• M20: 20,846,164 km (0.113 R)
• M21: 21,236,615 km (0.071 R)
• M22: 22,764,607 km (0.12 R)
• M23: 23,936,407 km (0.068 R)
• M24: 26,672,852 km (0.06 R)
• M25: 30,703,018 km (0.093 R)
• M26: 37,136,923 km (0.118 R)
• M27: 38,406,411 km (0.054 R)
• M28: 38,640,232 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 17,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit