🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 8.6

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,889,546 km

• M1: 106,962 km (0.044 R)
• M2: 392,096 km (0.076 R)
• M3: 663,915 km (0.065 R)
• M4: 1,038,957 km (0.081 R)
• M5: 1,306,737 km (0.111 R)
• M6: 1,580,202 km (0.105 R)
• M7: 2,010,745 km (0.088 R)
• M8: 2,397,455 km (0.1 R)
• M9: 2,905,490 km (0.063 R)
• M10: 3,401,407 km (0.079 R)
• M11: 3,940,109 km (0.054 R)
• M12: 4,243,493 km (0.113 R)
• M13: 4,764,692 km (0.114 R)
• M14: 5,048,629 km (0.105 R)
• M15: 5,423,372 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 8.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 8 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,889,546 km

• M1: 106,962 km (0.087 R)
• M2: 569,369 km (0.098 R)
• M3: 862,282 km (0.109 R)
• M4: 1,437,037 km (0.036 R)
• M5: 1,802,954 km (0.109 R)
• M6: 2,129,825 km (0.032 R)
• M7: 2,542,565 km (0.088 R)
• M8: 3,157,413 km (0.079 R)
• M9: 3,505,976 km (0.076 R)
• M10: 3,867,703 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 12.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.65 AU - 2.07 AU

Year: 1664 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,889,546 km

• M1: 160,519 km (0.032 R)
• M2: 594,352 km (0.094 R)
• M3: 994,676 km (0.097 R)
• M4: 1,393,205 km (0.102 R)
• M5: 1,859,950 km (0.082 R)
• M6: 2,546,455 km (0.057 R)
• M7: 3,591,246 km (0.094 R)
• M8: 6,075,469 km (0.082 R)
• M9: 6,715,000 km (0.093 R)
• M10: 7,702,196 km (0.096 R)
• M11: 8,452,130 km (0.083 R)
• M12: 9,250,235 km (0.109 R)
• M13: 10,471,851 km (0.1 R)
• M14: 11,575,883 km (0.075 R)
• M15: 12,061,328 km (0.083 R)
• M16: 13,641,082 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 12.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.26 AU - 5.36 AU

Year: 5870 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,889,546 km

• M1: 156,779 km (0.109 R)
• M2: 593,006 km (0.057 R)
• M3: 1,037,611 km (0.112 R)
• M4: 1,506,600 km (0.092 R)
• M5: 1,988,754 km (0.104 R)
• M6: 2,809,598 km (0.094 R)
• M7: 3,217,850 km (0.096 R)
• M8: 3,627,150 km (0.102 R)
• M9: 4,029,568 km (0.069 R)
• M10: 4,830,066 km (0.082 R)
• M11: 6,570,638 km (0.117 R)
• M12: 6,988,165 km (0.11 R)
• M13: 7,909,838 km (0.079 R)
• M14: 8,521,693 km (0.1 R)
• M15: 9,386,369 km (0.111 R)
• M16: 12,558,891 km (0.049 R)
• M17: 15,796,787 km (0.079 R)
• M18: 16,277,595 km (0.064 R)
• M19: 16,989,531 km (0.068 R)
• M20: 17,494,573 km (0.095 R)
• M21: 18,183,322 km (0.083 R)
• M22: 20,737,706 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.7

Radius: 13.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.85 AU - 5.77 AU

Year: 8027 Days

Day: 7.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,889,546 km

• M1: 169,345 km (0.065 R)
• M2: 702,661 km (0.087 R)
• M3: 1,157,588 km (0.071 R)
• M4: 2,068,639 km (0.111 R)
• M5: 2,933,016 km (0.115 R)
• M6: 3,903,457 km (0.084 R)
• M7: 4,384,414 km (0.097 R)
• M8: 5,684,569 km (0.093 R)
• M9: 6,407,426 km (0.103 R)
• M10: 7,529,261 km (0.038 R)
• M11: 9,297,059 km (0.055 R)
• M12: 11,530,555 km (0.048 R)
• M13: 12,527,774 km (0.093 R)
• M14: 13,186,753 km (0.066 R)
• M15: 13,753,430 km (0.082 R)
• M16: 17,705,955 km (0.082 R)
• M17: 20,651,088 km (0.077 R)
• M18: 21,416,282 km (0.115 R)
• M19: 23,084,597 km (0.079 R)
• M20: 27,494,742 km (0.083 R)
• M21: 28,327,404 km (0.041 R)
• M22: 29,849,114 km (0.115 R)
• M23: 30,531,878 km (0.031 R)
• M24: 32,335,131 km (0.053 R)
• M25: 36,706,082 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225

Radius: 5.3

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.68 AU - 8.62 AU

Year: 12542 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,889,546 km

• M1: 65,973 km (0.097 R)
• M2: 254,616 km (0.079 R)
• M3: 733,030 km (0.065 R)
• M4: 1,123,480 km (0.059 R)
• M5: 1,509,443 km (0.111 R)
• M6: 1,798,316 km (0.051 R)
• M7: 2,090,780 km (0.11 R)
• M8: 2,257,133 km (0.102 R)
• M9: 2,432,312 km (0.116 R)
• M10: 2,673,763 km (0.12 R)
• M11: 3,226,527 km (0.102 R)
• M12: 3,541,580 km (0.115 R)
• M13: 3,852,295 km (0.11 R)
• M14: 4,528,178 km (0.075 R)
• M15: 5,310,575 km (0.051 R)
• M16: 9,217,024 km (0.107 R)
• M17: 9,575,909 km (0.032 R)
• M18: 10,178,789 km (0.111 R)
• M19: 12,734,668 km (0.104 R)
• M20: 13,349,366 km (0.108 R)
• M21: 16,656,526 km (0.082 R)
• M22: 20,471,721 km (0.102 R)
• M23: 23,646,487 km (0.032 R)
• M24: 26,321,745 km (0.074 R)
• M25: 27,134,660 km (0.108 R)
• M26: 31,150,615 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.2

Radius: 6.3

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.39 AU - 8.41 AU

Year: 13206 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,889,546 km

• M1: 83,625 km (0.097 R)
• M2: 282,590 km (0.096 R)
• M3: 598,391 km (0.105 R)
• M4: 1,197,381 km (0.12 R)
• M5: 2,193,404 km (0.116 R)
• M6: 3,344,560 km (0.118 R)
• M7: 3,548,162 km (0.108 R)
• M8: 3,980,351 km (0.105 R)
• M9: 4,981,908 km (0.114 R)
• M10: 5,629,667 km (0.088 R)
• M11: 6,179,439 km (0.111 R)
• M12: 7,049,800 km (0.073 R)
• M13: 8,885,515 km (0.071 R)
• M14: 9,477,923 km (0.112 R)
• M15: 9,783,850 km (0.112 R)
• M16: 11,356,274 km (0.09 R)
• M17: 11,818,232 km (0.12 R)
• M18: 12,053,699 km (0.11 R)
• M19: 14,250,843 km (0.029 R)
• M20: 17,298,600 km (0.061 R)
• M21: 17,602,583 km (0.077 R)
• M22: 19,913,272 km (0.083 R)
• M23: 20,669,639 km (0.071 R)
• M24: 22,870,822 km (0.064 R)
• M25: 24,264,027 km (0.1 R)
• M26: 26,009,385 km (0.055 R)
• M27: 27,014,383 km (0.108 R)
• M28: 41,300,980 km (0.102 R)
• M29: 42,254,367 km (0.118 R)
• M30: 43,782,061 km (0.031 R)
• M31: 46,799,899 km (0.094 R)
• M32: 48,134,760 km (0.113 R)
• M33: 50,107,358 km (0.114 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: 469 - 18,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit