🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 13.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.85 AU - 0.95 AU

Year: 579 Days

Day: 10.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,773,445 km

• M1: 175,329 km (0.096 R)
• M2: 494,271 km (0.103 R)
• M3: 838,945 km (0.077 R)
• M4: 1,107,473 km (0.11 R)
• M5: 1,450,651 km (0.029 R)
• M6: 1,752,988 km (0.103 R)
• M7: 2,273,738 km (0.107 R)
• M8: 2,648,032 km (0.11 R)
• M9: 3,604,411 km (0.09 R)
• M10: 4,078,188 km (0.107 R)
• M11: 4,549,421 km (0.041 R)
• M12: 4,806,430 km (0.068 R)
• M13: 5,117,594 km (0.091 R)
• M14: 5,584,638 km (0.099 R)
• M15: 5,857,355 km (0.083 R)
• M16: 6,227,161 km (0.084 R)
• M17: 6,595,321 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.3

Radius: 10.3

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.98 AU

Year: 599 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,773,445 km

• M1: 140,921 km (0.118 R)
• M2: 366,365 km (0.119 R)
• M3: 587,770 km (0.077 R)
• M4: 796,908 km (0.104 R)
• M5: 1,015,171 km (0.045 R)
• M6: 1,247,197 km (0.1 R)
• M7: 1,469,350 km (0.096 R)
• M8: 1,751,791 km (0.088 R)
• M9: 2,899,207 km (0.049 R)
• M10: 3,205,882 km (0.103 R)
• M11: 3,756,103 km (0.103 R)
• M12: 5,168,457 km (0.119 R)
• M13: 5,641,037 km (0.114 R)
• M14: 5,942,327 km (0.09 R)
• M15: 6,462,329 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 11.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.92 AU - 1.04 AU

Year: 658 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,773,445 km

• M1: 146,905 km (0.109 R)
• M2: 365,468 km (0.095 R)
• M3: 646,113 km (0.1 R)
• M4: 910,153 km (0.082 R)
• M5: 1,143,526 km (0.06 R)
• M6: 1,401,882 km (0.031 R)
• M7: 1,637,797 km (0.094 R)
• M8: 2,475,097 km (0.105 R)
• M9: 2,932,417 km (0.12 R)
• M10: 3,373,282 km (0.083 R)
• M11: 3,695,067 km (0.081 R)
• M12: 4,000,995 km (0.106 R)
• M13: 4,254,713 km (0.096 R)
• M14: 4,605,670 km (0.045 R)
• M15: 5,147,364 km (0.092 R)
• M16: 5,484,707 km (0.087 R)
• M17: 6,323,502 km (0.116 R)
• M18: 6,657,255 km (0.069 R)
• M19: 6,902,895 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 13.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.88 AU - 1.1 AU

Year: 668 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,773,445 km

• M1: 167,998 km (0.108 R)
• M2: 432,039 km (0.097 R)
• M3: 684,261 km (0.066 R)
• M4: 973,583 km (0.043 R)
• M5: 1,422,526 km (0.051 R)
• M6: 1,731,595 km (0.101 R)
• M7: 2,011,792 km (0.095 R)
• M8: 2,292,587 km (0.063 R)
• M9: 2,746,916 km (0.113 R)
• M10: 3,290,405 km (0.108 R)
• M11: 3,548,611 km (0.054 R)
• M12: 3,905,402 km (0.065 R)
• M13: 4,197,716 km (0.038 R)
• M14: 4,586,521 km (0.053 R)
• M15: 5,301,449 km (0.088 R)
• M16: 5,631,013 km (0.066 R)
• M17: 6,219,831 km (0.045 R)
• M18: 6,499,878 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 12.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.99 AU - 0.99 AU

Year: 668 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,773,445 km

• M1: 153,039 km (0.078 R)
• M2: 503,546 km (0.068 R)
• M3: 744,997 km (0.069 R)
• M4: 1,049,279 km (0.028 R)
• M5: 1,347,278 km (0.108 R)
• M6: 1,592,320 km (0.107 R)
• M7: 1,978,282 km (0.1 R)
• M8: 2,316,822 km (0.071 R)
• M9: 2,610,034 km (0.079 R)
• M10: 2,861,508 km (0.111 R)
• M11: 3,679,360 km (0.078 R)
• M12: 4,133,988 km (0.115 R)
• M13: 4,627,062 km (0.06 R)
• M14: 4,918,628 km (0.068 R)
• M15: 5,761,313 km (0.035 R)
• M16: 5,998,575 km (0.062 R)
• M17: 6,540,269 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 15

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.24 AU - 2.36 AU

Year: 2366 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,773,445 km

• M1: 210,185 km (0.096 R)
• M2: 516,861 km (0.112 R)
• M3: 941,569 km (0.101 R)
• M4: 1,624,932 km (0.047 R)
• M5: 2,738,838 km (0.12 R)
• M6: 3,301,924 km (0.086 R)
• M7: 3,629,693 km (0.106 R)
• M8: 4,116,036 km (0.066 R)
• M9: 4,886,166 km (0.085 R)
• M10: 6,315,125 km (0.111 R)
• M11: 7,833,244 km (0.041 R)
• M12: 8,628,805 km (0.119 R)
• M13: 9,602,089 km (0.053 R)
• M14: 9,994,933 km (0.114 R)
• M15: 10,280,515 km (0.046 R)
• M16: 11,402,948 km (0.092 R)
• M17: 11,738,795 km (0.118 R)
• M18: 12,584,472 km (0.119 R)
• M19: 13,992,786 km (0.054 R)
• M20: 14,501,868 km (0.034 R)
• M21: 16,520,542 km (0.098 R)
• M22: 17,598,544 km (0.119 R)
• M23: 18,362,241 km (0.116 R)
• M24: 19,024,212 km (0.108 R)
• M25: 19,498,586 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.9

Radius: 8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.7 AU - 3.52 AU

Year: 3720 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 22,773,445 km

• M1: 100,380 km (0.097 R)
• M2: 287,228 km (0.072 R)
• M3: 1,070,971 km (0.108 R)
• M4: 1,319,902 km (0.084 R)
• M5: 1,505,254 km (0.088 R)
• M6: 1,703,770 km (0.051 R)
• M7: 2,019,571 km (0.088 R)
• M8: 2,465,074 km (0.117 R)
• M9: 3,186,734 km (0.114 R)
• M10: 3,339,174 km (0.082 R)
• M11: 4,272,366 km (0.096 R)
• M12: 4,897,236 km (0.097 R)
• M13: 5,193,739 km (0.11 R)
• M14: 6,492,697 km (0.074 R)
• M15: 8,234,914 km (0.09 R)
• M16: 8,591,855 km (0.041 R)
• M17: 8,928,151 km (0.074 R)
• M18: 10,369,227 km (0.108 R)
• M19: 11,658,611 km (0.108 R)
• M20: 11,853,686 km (0.104 R)
• M21: 13,577,802 km (0.101 R)
• M22: 13,894,351 km (0.048 R)
• M23: 14,322,051 km (0.093 R)
• M24: 15,870,539 km (0.102 R)
• M25: 16,060,229 km (0.087 R)
• M26: 16,442,900 km (0.034 R)
• M27: 16,830,209 km (0.108 R)
• M28: 17,618,291 km (0.089 R)
• M29: 18,059,455 km (0.04 R)
• M30: 18,221,320 km (0.115 R)
• M31: 18,875,811 km (0.108 R)
• M32: 20,778,695 km (0.042 R)
• M33: 21,875,547 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 19,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit