🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 8.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 11.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,194,992 km

• M1: 112,946 km (0.055 R)
• M2: 511,026 km (0.089 R)
• M3: 973,733 km (0.109 R)
• M4: 1,796,371 km (0.056 R)
• M5: 2,443,681 km (0.069 R)
• M6: 2,780,725 km (0.094 R)
• M7: 3,148,736 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.81 AU - 1.07 AU

Year: 629 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,194,992 km

• M1: 111,899 km (0.039 R)
• M2: 409,150 km (0.095 R)
• M3: 718,818 km (0.11 R)
• M4: 1,424,621 km (0.082 R)
• M5: 1,788,891 km (0.074 R)
• M6: 2,172,759 km (0.107 R)
• M7: 2,516,984 km (0.058 R)
• M8: 2,887,389 km (0.076 R)
• M9: 3,194,363 km (0.072 R)
• M10: 3,605,757 km (0.08 R)
• M11: 4,013,860 km (0.101 R)
• M12: 4,370,352 km (0.103 R)
• M13: 4,676,429 km (0.116 R)
• M14: 5,026,638 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.9

Radius: 13.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.83 AU - 3.05 AU

Year: 3480 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,194,992 km

• M1: 178,470 km (0.107 R)
• M2: 1,062,743 km (0.115 R)
• M3: 1,474,137 km (0.075 R)
• M4: 1,971,550 km (0.091 R)
• M5: 2,566,950 km (0.12 R)
• M6: 3,114,927 km (0.036 R)
• M7: 3,928,590 km (0.079 R)
• M8: 5,481,715 km (0.094 R)
• M9: 6,185,423 km (0.049 R)
• M10: 6,835,725 km (0.067 R)
• M11: 9,583,838 km (0.091 R)
• M12: 10,196,292 km (0.117 R)
• M13: 10,796,628 km (0.098 R)
• M14: 12,654,783 km (0.1 R)
• M15: 13,437,030 km (0.096 R)
• M16: 15,583,012 km (0.083 R)
• M17: 16,279,240 km (0.073 R)
• M18: 17,520,903 km (0.089 R)
• M19: 18,165,071 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.7

Radius: 12.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.81 AU - 5.13 AU

Year: 6523 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,194,992 km

• M1: 163,510 km (0.082 R)
• M2: 625,618 km (0.103 R)
• M3: 2,049,640 km (0.03 R)
• M4: 2,597,019 km (0.1 R)
• M5: 3,184,939 km (0.119 R)
• M6: 4,370,801 km (0.096 R)
• M7: 5,077,950 km (0.106 R)
• M8: 5,527,043 km (0.051 R)
• M9: 5,974,041 km (0.106 R)
• M10: 6,445,275 km (0.092 R)
• M11: 11,292,545 km (0.093 R)
• M12: 11,740,740 km (0.07 R)
• M13: 13,603,682 km (0.114 R)
• M14: 18,029,236 km (0.116 R)
• M15: 21,100,929 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.6

Radius: 8.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.46 AU - 5.56 AU

Year: 6611 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,194,992 km

• M1: 103,223 km (0.11 R)
• M2: 843,283 km (0.097 R)
• M3: 1,325,736 km (0.111 R)
• M4: 2,244,267 km (0.112 R)
• M5: 3,141,406 km (0.093 R)
• M6: 4,635,290 km (0.103 R)
• M7: 7,140,306 km (0.082 R)
• M8: 11,428,679 km (0.11 R)
• M9: 11,828,853 km (0.086 R)
• M10: 13,347,421 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.3

Radius: 7.2

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.66 AU - 9.26 AU

Year: 16985 Days

Day: 20.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,194,992 km

• M1: 91,404 km (0.106 R)
• M2: 625,917 km (0.096 R)
• M3: 887,265 km (0.117 R)
• M4: 1,449,753 km (0.113 R)
• M5: 1,723,218 km (0.093 R)
• M6: 3,505,527 km (0.058 R)
• M7: 4,348,511 km (0.059 R)
• M8: 5,064,486 km (0.096 R)
• M9: 5,896,250 km (0.1 R)
• M10: 7,828,008 km (0.116 R)
• M11: 9,918,937 km (0.114 R)
• M12: 11,337,873 km (0.102 R)
• M13: 12,031,558 km (0.059 R)
• M14: 12,887,408 km (0.096 R)
• M15: 15,468,569 km (0.117 R)
• M16: 17,286,932 km (0.092 R)
• M17: 19,420,197 km (0.036 R)
• M18: 26,424,070 km (0.11 R)
• M19: 28,664,149 km (0.117 R)
• M20: 28,894,978 km (0.119 R)
• M21: 29,948,746 km (0.037 R)
• M22: 32,632,083 km (0.112 R)
• M23: 34,550,825 km (0.117 R)
• M24: 36,139,106 km (0.109 R)
• M25: 44,815,633 km (0.078 R)
• M26: 47,828,085 km (0.078 R)
• M27: 49,632,385 km (0.034 R)
• M28: 55,495,873 km (0.097 R)
• M29: 57,121,853 km (0.095 R)
• M30: 61,997,098 km (0.053 R)
• M31: 62,576,789 km (0.112 R)
• M32: 63,355,446 km (0.101 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: 536 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit