🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 13.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.41 AU - 3.33 AU

Year: 3242 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,535,449 km

• M1: 166,802 km (0.089 R)
• M2: 1,021,753 km (0.095 R)
• M3: 1,550,283 km (0.026 R)
• M4: 2,796,433 km (0.106 R)
• M5: 3,217,252 km (0.082 R)
• M6: 4,000,397 km (0.074 R)
• M7: 4,426,751 km (0.1 R)
• M8: 4,931,045 km (0.111 R)
• M9: 5,448,205 km (0.095 R)
• M10: 5,947,114 km (0.117 R)
• M11: 7,007,015 km (0.084 R)
• M12: 8,189,137 km (0.06 R)
• M13: 9,132,651 km (0.119 R)
• M14: 10,108,627 km (0.104 R)
• M15: 10,702,680 km (0.078 R)
• M16: 11,615,975 km (0.115 R)
• M17: 12,356,784 km (0.087 R)
• M18: 13,503,153 km (0.067 R)
• M19: 14,819,614 km (0.112 R)
• M20: 19,584,605 km (0.119 R)
• M21: 20,074,089 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.5

Radius: 9.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.46 AU - 3.94 AU

Year: 3817 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,535,449 km

• M1: 120,576 km (0.068 R)
• M2: 555,307 km (0.099 R)
• M3: 901,178 km (0.104 R)
• M4: 1,343,389 km (0.065 R)
• M5: 1,739,524 km (0.108 R)
• M6: 2,213,300 km (0.095 R)
• M7: 2,591,634 km (0.072 R)
• M8: 3,720,349 km (0.053 R)
• M9: 4,534,760 km (0.096 R)
• M10: 4,847,569 km (0.097 R)
• M11: 5,149,308 km (0.045 R)
• M12: 5,790,485 km (0.087 R)
• M13: 6,101,798 km (0.112 R)
• M14: 6,454,101 km (0.119 R)
• M15: 6,758,084 km (0.069 R)
• M16: 7,071,491 km (0.075 R)
• M17: 9,086,425 km (0.102 R)
• M18: 9,430,201 km (0.067 R)
• M19: 16,296,893 km (0.104 R)
• M20: 16,919,669 km (0.063 R)
• M21: 18,152,654 km (0.116 R)
• M22: 20,599,926 km (0.117 R)
• M23: 23,687,626 km (0.05 R)
• M24: 24,707,884 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 10.8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.59 AU - 5.01 AU

Year: 7013 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,535,449 km

• M1: 134,339 km (0.11 R)
• M2: 808,128 km (0.077 R)
• M3: 1,376,600 km (0.092 R)
• M4: 1,833,621 km (0.092 R)
• M5: 4,233,021 km (0.041 R)
• M6: 5,149,308 km (0.109 R)
• M7: 6,618,659 km (0.025 R)
• M8: 9,881,538 km (0.098 R)
• M9: 13,200,217 km (0.079 R)
• M10: 14,331,476 km (0.107 R)
• M11: 14,952,158 km (0.061 R)
• M12: 16,718,160 km (0.089 R)
• M13: 19,433,362 km (0.106 R)
• M14: 24,298,733 km (0.12 R)
• M15: 26,453,391 km (0.059 R)
• M16: 28,537,739 km (0.072 R)
• M17: 33,030,911 km (0.082 R)
• M18: 34,554,116 km (0.069 R)
• M19: 39,766,854 km (0.076 R)
• M20: 41,116,376 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 13.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.33 AU - 6.51 AU

Year: 8415 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,535,449 km

• M1: 175,777 km (0.049 R)
• M2: 781,050 km (0.047 R)
• M3: 1,223,561 km (0.105 R)
• M4: 2,189,066 km (0.1 R)
• M5: 2,621,553 km (0.093 R)
• M6: 3,090,243 km (0.1 R)
• M7: 3,567,161 km (0.101 R)
• M8: 10,269,744 km (0.11 R)
• M9: 11,079,966 km (0.111 R)
• M10: 12,657,027 km (0.108 R)
• M11: 13,469,792 km (0.1 R)
• M12: 17,922,124 km (0.106 R)
• M13: 18,356,856 km (0.104 R)
• M14: 18,872,968 km (0.092 R)
• M15: 20,166,691 km (0.106 R)
• M16: 22,341,993 km (0.116 R)
• M17: 23,443,333 km (0.097 R)
• M18: 24,051,149 km (0.048 R)
• M19: 24,758,597 km (0.083 R)
• M20: 29,700,862 km (0.115 R)
• M21: 33,048,862 km (0.032 R)
• M22: 38,530,876 km (0.075 R)
• M23: 39,499,971 km (0.043 R)
• M24: 41,613,041 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190

Radius: 3.9

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.54 AU - 8.62 AU

Year: 15316 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 135.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,535,449 km

• M1: 416,480 km (0.096 R)
• M2: 681,269 km (0.101 R)
• M3: 820,544 km (0.053 R)
• M4: 1,433,596 km (0.111 R)
• M5: 1,873,414 km (0.07 R)
• M6: 2,416,006 km (0.072 R)
• M7: 3,956,415 km (0.05 R)
• M8: 7,373,380 km (0.078 R)
• M9: 10,128,673 km (0.038 R)
• M10: 10,771,795 km (0.103 R)
• M11: 11,232,855 km (0.12 R)
• M12: 15,404,691 km (0.084 R)
• M13: 18,549,388 km (0.113 R)
• M14: 23,599,064 km (0.091 R)
• M15: 24,462,693 km (0.118 R)
• M16: 29,991,082 km (0.08 R)
• M17: 40,059,767 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 16,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit