🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.5

Radius: 12.5

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.03 AU

Year: 598 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,317,463 km

• M1: 155,432 km (0.111 R)
• M2: 983,157 km (0.074 R)
• M3: 1,544,748 km (0.105 R)
• M4: 2,356,466 km (0.12 R)
• M5: 3,138,414 km (0.055 R)
• M6: 3,908,992 km (0.101 R)
• M7: 4,331,756 km (0.075 R)
• M8: 7,035,289 km (0.098 R)
• M9: 7,710,723 km (0.052 R)
• M10: 8,209,034 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 9.7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.95 AU - 1.11 AU

Year: 675 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,317,463 km

• M1: 120,725 km (0.116 R)
• M2: 479,162 km (0.098 R)
• M3: 804,986 km (0.09 R)
• M4: 1,259,315 km (0.106 R)
• M5: 1,607,280 km (0.059 R)
• M6: 2,683,038 km (0.119 R)
• M7: 3,698,807 km (0.086 R)
• M8: 4,627,511 km (0.093 R)
• M9: 5,138,088 km (0.096 R)
• M10: 5,577,009 km (0.107 R)
• M11: 6,450,062 km (0.058 R)
• M12: 6,982,331 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 12.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.05 AU - 1.57 AU

Year: 968 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,317,463 km

• M1: 150,495 km (0.116 R)
• M2: 696,079 km (0.057 R)
• M3: 1,082,490 km (0.041 R)
• M4: 1,470,846 km (0.104 R)
• M5: 2,057,868 km (0.037 R)
• M6: 3,042,671 km (0.044 R)
• M7: 7,050,847 km (0.081 R)
• M8: 7,511,758 km (0.096 R)
• M9: 8,116,133 km (0.043 R)
• M10: 8,519,898 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 11.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.42 AU - 2.28 AU

Year: 1625 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,317,463 km

• M1: 143,315 km (0.101 R)
• M2: 540,796 km (0.111 R)
• M3: 934,239 km (0.067 R)
• M4: 1,366,427 km (0.106 R)
• M5: 2,162,437 km (0.051 R)
• M6: 2,693,061 km (0.066 R)
• M7: 3,150,681 km (0.105 R)
• M8: 3,574,342 km (0.057 R)
• M9: 4,017,600 km (0.051 R)
• M10: 4,720,411 km (0.087 R)
• M11: 5,255,523 km (0.061 R)
• M12: 6,097,011 km (0.107 R)
• M13: 7,987,778 km (0.084 R)
• M14: 8,875,642 km (0.109 R)
• M15: 9,459,073 km (0.05 R)
• M16: 10,630,873 km (0.053 R)
• M17: 13,766,894 km (0.052 R)
• M18: 14,154,352 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 11.4

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.2 AU - 2.72 AU

Year: 2491 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,317,463 km

• M1: 141,819 km (0.086 R)
• M2: 501,602 km (0.106 R)
• M3: 922,420 km (0.099 R)
• M4: 1,442,871 km (0.063 R)
• M5: 1,975,739 km (0.07 R)
• M6: 2,729,563 km (0.04 R)
• M7: 4,336,543 km (0.054 R)
• M8: 4,712,931 km (0.104 R)
• M9: 5,686,065 km (0.093 R)
• M10: 6,415,355 km (0.112 R)
• M11: 7,115,024 km (0.036 R)
• M12: 10,432,956 km (0.074 R)
• M13: 12,078,981 km (0.063 R)
• M14: 13,422,370 km (0.027 R)
• M15: 13,891,509 km (0.088 R)
• M16: 16,832,603 km (0.102 R)
• M17: 17,992,734 km (0.109 R)
• M18: 18,679,239 km (0.082 R)
• M19: 19,264,615 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.5

Radius: 7.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.4 AU - 7.9 AU

Year: 11073 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,317,463 km

• M1: 98,286 km (0.088 R)
• M2: 362,476 km (0.103 R)
• M3: 768,933 km (0.058 R)
• M4: 1,425,967 km (0.071 R)
• M5: 2,554,384 km (0.101 R)
• M6: 3,238,495 km (0.064 R)
• M7: 3,774,504 km (0.065 R)
• M8: 4,368,258 km (0.088 R)
• M9: 4,797,604 km (0.033 R)
• M10: 5,403,625 km (0.103 R)
• M11: 6,059,611 km (0.116 R)
• M12: 6,423,733 km (0.054 R)
• M13: 7,718,951 km (0.119 R)
• M14: 11,106,744 km (0.094 R)
• M15: 11,855,930 km (0.088 R)
• M16: 13,847,676 km (0.094 R)
• M17: 15,192,412 km (0.097 R)
• M18: 17,668,257 km (0.109 R)
• M19: 23,564,657 km (0.089 R)
• M20: 23,889,882 km (0.116 R)
• M21: 24,300,529 km (0.061 R)
• M22: 31,332,077 km (0.109 R)
• M23: 34,466,751 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.8

Radius: 6.5

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.18 AU - 10.33 AU

Year: 16712 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,317,463 km

• M1: 80,783 km (0.088 R)
• M2: 442,660 km (0.111 R)
• M3: 820,096 km (0.115 R)
• M4: 1,355,506 km (0.109 R)
• M5: 2,101,850 km (0.106 R)
• M6: 2,575,627 km (0.054 R)
• M7: 3,872,191 km (0.118 R)
• M8: 6,737,589 km (0.103 R)
• M9: 8,311,807 km (0.094 R)
• M10: 9,386,219 km (0.073 R)
• M11: 10,063,150 km (0.075 R)
• M12: 10,440,735 km (0.071 R)
• M13: 12,227,980 km (0.069 R)
• M14: 13,225,798 km (0.12 R)
• M15: 14,616,610 km (0.082 R)
• M16: 17,453,284 km (0.062 R)
• M17: 19,786,263 km (0.098 R)
• M18: 22,319,404 km (0.054 R)
• M19: 22,961,777 km (0.071 R)
• M20: 30,078,148 km (0.116 R)
• M21: 31,658,649 km (0.113 R)
• M22: 35,107,030 km (0.054 R)
• M23: 38,143,867 km (0.085 R)
• M24: 39,061,500 km (0.095 R)
• M25: 39,459,281 km (0.087 R)
• M26: 40,668,780 km (0.101 R)
• M27: 44,878,763 km (0.099 R)
• M28: 48,296,775 km (0.051 R)
• M29: 50,459,960 km (0.108 R)
• M30: 54,812,660 km (0.094 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: 284 - 13,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit