🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.6

Radius: 11.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.08 AU - 1.1 AU

Year: 800 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,623,517 km

• M1: 146,905 km (0.074 R)
• M2: 720,015 km (0.064 R)
• M3: 1,144,274 km (0.088 R)
• M4: 1,801,158 km (0.104 R)
• M5: 2,971,463 km (0.112 R)
• M6: 4,177,670 km (0.046 R)
• M7: 5,169,803 km (0.108 R)
• M8: 5,920,336 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 8.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.84 AU - 3.54 AU

Year: 4005 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,623,517 km

• M1: 124,017 km (0.075 R)
• M2: 433,983 km (0.095 R)
• M3: 819,796 km (0.055 R)
• M4: 1,204,861 km (0.04 R)
• M5: 1,554,023 km (0.097 R)
• M6: 2,480,632 km (0.08 R)
• M7: 2,992,705 km (0.08 R)
• M8: 3,389,289 km (0.094 R)
• M9: 5,233,083 km (0.08 R)
• M10: 7,156,912 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 13.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.21 AU - 3.43 AU

Year: 4252 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,623,517 km

• M1: 172,935 km (0.096 R)
• M2: 644,168 km (0.036 R)
• M3: 1,663,828 km (0.075 R)
• M4: 2,313,082 km (0.039 R)
• M5: 2,995,398 km (0.106 R)
• M6: 3,965,840 km (0.078 R)
• M7: 5,301,449 km (0.101 R)
• M8: 5,758,770 km (0.096 R)
• M9: 7,361,412 km (0.113 R)
• M10: 7,823,221 km (0.046 R)
• M11: 9,995,531 km (0.114 R)
• M12: 12,296,646 km (0.054 R)
• M13: 13,570,920 km (0.104 R)
• M14: 14,763,515 km (0.116 R)
• M15: 16,381,266 km (0.069 R)
• M16: 16,864,467 km (0.045 R)
• M17: 17,481,858 km (0.108 R)
• M18: 18,761,817 km (0.064 R)
• M19: 19,898,312 km (0.102 R)
• M20: 21,222,253 km (0.092 R)
• M21: 23,355,070 km (0.106 R)
• M22: 25,145,457 km (0.097 R)
• M23: 26,197,130 km (0.041 R)
• M24: 27,025,903 km (0.049 R)
• M25: 27,786,608 km (0.094 R)
• M26: 30,064,684 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.1

Radius: 13.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.74 AU - 4.8 AU

Year: 6202 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,623,517 km

• M1: 167,849 km (0.076 R)
• M2: 611,406 km (0.107 R)
• M3: 1,294,620 km (0.093 R)
• M4: 1,984,715 km (0.032 R)
• M5: 2,678,699 km (0.116 R)
• M6: 3,763,733 km (0.092 R)
• M7: 4,314,851 km (0.113 R)
• M8: 5,064,636 km (0.091 R)
• M9: 5,517,768 km (0.051 R)
• M10: 8,963,007 km (0.05 R)
• M11: 9,493,331 km (0.104 R)
• M12: 11,060,369 km (0.026 R)
• M13: 12,411,836 km (0.095 R)
• M14: 14,046,043 km (0.049 R)
• M15: 14,641,592 km (0.058 R)
• M16: 16,399,218 km (0.092 R)
• M17: 20,254,953 km (0.07 R)
• M18: 21,403,117 km (0.038 R)
• M19: 23,829,445 km (0.104 R)
• M20: 27,526,756 km (0.101 R)
• M21: 30,095,950 km (0.097 R)
• M22: 32,510,609 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 6.2

Gravity: 25.52 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.01 AU - 7.55 AU

Year: 11062 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,623,517 km

• M1: 77,193 km (0.109 R)
• M2: 355,594 km (0.094 R)
• M3: 581,637 km (0.113 R)
• M4: 835,654 km (0.108 R)
• M5: 1,187,957 km (0.092 R)
• M6: 1,779,766 km (0.106 R)
• M7: 2,305,602 km (0.108 R)
• M8: 2,530,298 km (0.064 R)
• M9: 2,953,062 km (0.106 R)
• M10: 3,580,027 km (0.037 R)
• M11: 4,959,618 km (0.038 R)
• M12: 6,068,737 km (0.072 R)
• M13: 12,667,499 km (0.051 R)
• M14: 15,063,907 km (0.09 R)
• M15: 15,852,587 km (0.076 R)
• M16: 17,668,257 km (0.101 R)
• M17: 18,953,003 km (0.116 R)
• M18: 19,450,416 km (0.097 R)
• M19: 26,320,997 km (0.109 R)
• M20: 26,629,319 km (0.034 R)
• M21: 27,993,352 km (0.111 R)
• M22: 28,855,634 km (0.116 R)
• M23: 29,073,897 km (0.061 R)
• M24: 30,633,006 km (0.081 R)
• M25: 32,012,897 km (0.048 R)
• M26: 36,911,928 km (0.067 R)
• M27: 37,427,592 km (0.04 R)
• M28: 40,214,600 km (0.079 R)
• M29: 40,623,601 km (0.091 R)
• M30: 43,565,443 km (0.087 R)
• M31: 43,997,033 km (0.111 R)
• M32: 50,183,653 km (0.029 R)
• M33: 51,454,786 km (0.108 R)
• M34: 55,903,228 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.6

Radius: 7.9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.08 AU - 8.36 AU

Year: 15078 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,623,517 km

• M1: 98,286 km (0.078 R)
• M2: 355,594 km (0.109 R)
• M3: 854,054 km (0.088 R)
• M4: 1,398,590 km (0.078 R)
• M5: 1,832,424 km (0.085 R)
• M6: 2,435,453 km (0.066 R)
• M7: 2,783,268 km (0.116 R)
• M8: 5,762,061 km (0.051 R)
• M9: 6,105,538 km (0.107 R)
• M10: 8,032,957 km (0.112 R)
• M11: 9,366,472 km (0.118 R)
• M12: 9,735,081 km (0.034 R)
• M13: 12,091,697 km (0.043 R)
• M14: 19,552,292 km (0.119 R)
• M15: 21,306,477 km (0.062 R)
• M16: 23,258,729 km (0.03 R)
• M17: 25,327,219 km (0.1 R)
• M18: 35,461,726 km (0.117 R)
• M19: 36,746,024 km (0.112 R)
• M20: 37,268,270 km (0.114 R)
• M21: 37,928,147 km (0.087 R)
• M22: 38,194,281 km (0.092 R)
• M23: 43,489,896 km (0.115 R)
• M24: 46,768,932 km (0.093 R)
• M25: 48,156,751 km (0.106 R)
• M26: 51,991,094 km (0.096 R)
• M27: 57,238,688 km (0.05 R)
• M28: 59,003,943 km (0.074 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 15,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit