🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.5

Radius: 12.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.64 AU - 0.76 AU

Year: 412 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,767,587 km

• M1: 153,039 km (0.09 R)
• M2: 539,749 km (0.034 R)
• M3: 975,677 km (0.042 R)
• M4: 1,477,728 km (0.114 R)
• M5: 1,975,739 km (0.065 R)
• M6: 2,604,649 km (0.077 R)
• M7: 3,520,038 km (0.073 R)
• M8: 4,758,409 km (0.061 R)
• M9: 5,602,889 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 8.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.83 AU - 1.39 AU

Year: 822 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,767,587 km

• M1: 109,954 km (0.103 R)
• M2: 846,574 km (0.064 R)
• M3: 1,146,069 km (0.109 R)
• M4: 1,484,908 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.3

Radius: 9.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.39 AU - 1.51 AU

Year: 1227 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,767,587 km

• M1: 116,836 km (0.059 R)
• M2: 490,831 km (0.053 R)
• M3: 897,737 km (0.087 R)
• M4: 1,828,984 km (0.098 R)
• M5: 2,655,661 km (0.12 R)
• M6: 3,923,503 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.9

Radius: 8.1

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.95 AU - 3.26 AU

Year: 3837 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,767,587 km

• M1: 101,577 km (0.076 R)
• M2: 415,732 km (0.077 R)
• M3: 782,098 km (0.115 R)
• M4: 1,041,052 km (0.079 R)
• M5: 2,455,948 km (0.106 R)
• M6: 3,177,608 km (0.078 R)
• M7: 4,056,047 km (0.064 R)
• M8: 4,878,686 km (0.07 R)
• M9: 5,523,303 km (0.079 R)
• M10: 6,162,834 km (0.117 R)
• M11: 7,870,194 km (0.117 R)
• M12: 8,909,900 km (0.108 R)
• M13: 9,871,515 km (0.03 R)
• M14: 10,334,670 km (0.03 R)
• M15: 11,168,827 km (0.074 R)
• M16: 15,738,893 km (0.072 R)
• M17: 16,546,721 km (0.116 R)
• M18: 17,503,250 km (0.082 R)
• M19: 18,433,150 km (0.089 R)
• M20: 18,814,176 km (0.099 R)
• M21: 19,789,854 km (0.068 R)
• M22: 20,122,410 km (0.117 R)
• M23: 21,350,608 km (0.055 R)
• M24: 22,555,918 km (0.104 R)
• M25: 26,443,219 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.2

Radius: 13.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.16 AU - 3.42 AU

Year: 4195 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,767,587 km

• M1: 167,849 km (0.113 R)
• M2: 670,049 km (0.091 R)
• M3: 1,466,059 km (0.092 R)
• M4: 1,909,916 km (0.119 R)
• M5: 2,620,057 km (0.072 R)
• M6: 3,096,676 km (0.119 R)
• M7: 3,901,363 km (0.066 R)
• M8: 4,375,289 km (0.058 R)
• M9: 6,786,059 km (0.117 R)
• M10: 7,382,805 km (0.095 R)
• M11: 9,678,384 km (0.07 R)
• M12: 10,591,978 km (0.096 R)
• M13: 11,604,008 km (0.114 R)
• M14: 12,591,204 km (0.08 R)
• M15: 13,173,439 km (0.113 R)
• M16: 16,306,168 km (0.107 R)
• M17: 18,844,245 km (0.066 R)
• M18: 20,329,004 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 9.7

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.61 AU - 4.95 AU

Year: 7346 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,767,587 km

• M1: 121,324 km (0.065 R)
• M2: 550,371 km (0.117 R)
• M3: 987,196 km (0.12 R)
• M4: 1,482,066 km (0.058 R)
• M5: 2,041,562 km (0.111 R)
• M6: 2,388,480 km (0.094 R)
• M7: 2,717,146 km (0.07 R)
• M8: 3,224,283 km (0.09 R)
• M9: 3,745,631 km (0.063 R)
• M10: 4,322,331 km (0.101 R)
• M11: 4,673,737 km (0.102 R)
• M12: 5,192,093 km (0.049 R)
• M13: 6,446,771 km (0.031 R)
• M14: 8,173,878 km (0.119 R)
• M15: 9,056,954 km (0.089 R)
• M16: 10,571,483 km (0.075 R)
• M17: 11,313,040 km (0.041 R)
• M18: 12,408,844 km (0.09 R)
• M19: 12,844,473 km (0.087 R)
• M20: 13,631,208 km (0.089 R)
• M21: 14,212,695 km (0.065 R)
• M22: 16,056,639 km (0.03 R)
• M23: 20,589,155 km (0.05 R)
• M24: 22,699,532 km (0.118 R)
• M25: 23,269,500 km (0.097 R)
• M26: 24,950,382 km (0.076 R)
• M27: 25,295,953 km (0.108 R)
• M28: 27,345,892 km (0.09 R)
• M29: 32,384,199 km (0.112 R)
• M30: 34,905,372 km (0.1 R)

Asteroid Belt

Center: 6.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.8

Radius: 5.5

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.29 AU - 8.59 AU

Year: 15727 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,767,587 km

• M1: 68,366 km (0.119 R)
• M2: 462,856 km (0.103 R)
• M3: 1,516,922 km (0.055 R)
• M4: 1,708,856 km (0.041 R)
• M5: 2,018,674 km (0.068 R)
• M6: 2,307,996 km (0.076 R)
• M7: 3,646,448 km (0.098 R)
• M8: 4,020,892 km (0.109 R)
• M9: 4,217,463 km (0.116 R)
• M10: 4,539,547 km (0.075 R)
• M11: 4,877,788 km (0.082 R)
• M12: 7,648,640 km (0.097 R)
• M13: 9,049,624 km (0.064 R)
• M14: 9,242,007 km (0.047 R)
• M15: 9,785,496 km (0.085 R)
• M16: 10,935,754 km (0.039 R)
• M17: 16,300,334 km (0.105 R)
• M18: 17,910,156 km (0.098 R)
• M19: 18,443,772 km (0.076 R)
• M20: 20,768,224 km (0.071 R)
• M21: 21,103,472 km (0.105 R)
• M22: 23,101,352 km (0.115 R)
• M23: 24,008,065 km (0.094 R)
• M24: 26,574,416 km (0.1 R)
• M25: 27,569,541 km (0.104 R)
• M26: 29,108,305 km (0.053 R)
• M27: 31,467,613 km (0.117 R)
• M28: 35,837,666 km (0.099 R)
• M29: 40,856,974 km (0.102 R)
• M30: 43,261,011 km (0.087 R)
• M31: 46,467,791 km (0.108 R)
• M32: 47,185,263 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251

Radius: 3.4

Gravity: 21.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.45 AU - 9.93 AU

Year: 18007 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,767,587 km

• M1: 42,336 km (0.096 R)
• M2: 175,628 km (0.067 R)
• M3: 373,995 km (0.107 R)
• M4: 539,450 km (0.119 R)
• M5: 825,331 km (0.046 R)
• M6: 1,191,996 km (0.107 R)
• M7: 1,735,784 km (0.106 R)
• M8: 3,589,751 km (0.119 R)
• M9: 3,854,389 km (0.1 R)
• M10: 5,478,573 km (0.074 R)
• M11: 6,930,570 km (0.077 R)
• M12: 8,574,052 km (0.069 R)
• M13: 11,330,992 km (0.061 R)
• M14: 12,786,429 km (0.104 R)
• M15: 15,642,701 km (0.11 R)
• M16: 17,590,615 km (0.064 R)
• M17: 20,597,383 km (0.077 R)
• M18: 24,956,964 km (0.115 R)
• M19: 26,111,112 km (0.091 R)
• M20: 39,541,410 km (0.085 R)
• M21: 40,843,510 km (0.094 R)
• M22: 45,767,524 km (0.078 R)
• M23: 46,052,059 km (0.107 R)
• M24: 49,111,934 km (0.049 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 13,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit