🌌 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: 475.4

Radius: 8.4

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.69 AU - 0.77 AU

Year: 416 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,773,049 km

• M1: 104,419 km (0.103 R)
• M2: 367,562 km (0.053 R)
• M3: 798,105 km (0.09 R)
• M4: 1,437,187 km (0.077 R)
• M5: 1,882,839 km (0.086 R)
• M6: 2,527,606 km (0.104 R)
• M7: 3,158,161 km (0.095 R)
• M8: 3,730,073 km (0.077 R)
• M9: 4,118,280 km (0.109 R)
• M10: 4,450,686 km (0.087 R)
• M11: 4,844,278 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 8.3

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.03 AU - 1.31 AU

Year: 844 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,773,049 km

• M1: 103,223 km (0.11 R)
• M2: 412,292 km (0.061 R)
• M3: 994,377 km (0.094 R)
• M4: 1,403,976 km (0.112 R)
• M5: 1,757,775 km (0.103 R)
• M6: 2,495,741 km (0.047 R)
• M7: 3,341,717 km (0.069 R)
• M8: 4,120,673 km (0.078 R)
• M9: 4,501,849 km (0.108 R)
• M10: 5,033,968 km (0.061 R)
• M11: 6,245,262 km (0.112 R)
• M12: 6,862,054 km (0.106 R)
• M13: 7,518,639 km (0.117 R)
• M14: 8,345,616 km (0.085 R)
• M15: 8,902,569 km (0.117 R)
• M16: 9,287,485 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 12.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.27 AU - 1.45 AU

Year: 1058 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,773,049 km

• M1: 151,991 km (0.049 R)
• M2: 565,330 km (0.068 R)
• M3: 1,003,503 km (0.106 R)
• M4: 1,660,237 km (0.078 R)
• M5: 2,369,331 km (0.111 R)
• M6: 2,778,631 km (0.11 R)
• M7: 3,259,588 km (0.115 R)
• M8: 4,057,393 km (0.052 R)
• M9: 4,435,278 km (0.056 R)
• M10: 5,381,335 km (0.099 R)
• M11: 5,766,998 km (0.096 R)
• M12: 6,399,498 km (0.085 R)
• M13: 6,792,791 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882

Radius: 11.9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.51 AU - 2.41 AU

Year: 1830 Days

Day: 6.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,773,049 km

• M1: 148,102 km (0.076 R)
• M2: 537,655 km (0.081 R)
• M3: 938,278 km (0.069 R)
• M4: 1,347,278 km (0.066 R)
• M5: 2,205,521 km (0.12 R)
• M6: 2,950,070 km (0.105 R)
• M7: 4,313,655 km (0.095 R)
• M8: 5,181,023 km (0.11 R)
• M9: 5,911,360 km (0.073 R)
• M10: 6,575,724 km (0.08 R)
• M11: 7,092,136 km (0.029 R)
• M12: 8,268,574 km (0.086 R)
• M13: 9,299,901 km (0.1 R)
• M14: 9,846,831 km (0.11 R)
• M15: 10,524,061 km (0.086 R)
• M16: 13,290,424 km (0.094 R)
• M17: 13,896,894 km (0.103 R)
• M18: 15,118,660 km (0.1 R)
• M19: 15,684,140 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 10.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.36 AU - 3.26 AU

Year: 3141 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,773,049 km

• M1: 134,339 km (0.04 R)
• M2: 493,823 km (0.108 R)
• M3: 1,067,082 km (0.103 R)
• M4: 1,638,845 km (0.081 R)
• M5: 2,019,721 km (0.105 R)
• M6: 2,541,817 km (0.096 R)
• M7: 3,216,803 km (0.113 R)
• M8: 4,687,200 km (0.053 R)
• M9: 5,055,062 km (0.065 R)
• M10: 6,969,914 km (0.052 R)
• M11: 7,537,638 km (0.107 R)
• M12: 8,259,448 km (0.082 R)
• M13: 8,830,613 km (0.083 R)
• M14: 10,194,197 km (0.112 R)
• M15: 10,814,430 km (0.074 R)
• M16: 13,079,043 km (0.092 R)
• M17: 15,170,870 km (0.103 R)
• M18: 16,567,665 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.4

Radius: 8.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.63 AU - 4.75 AU

Year: 6773 Days

Day: 11.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,773,049 km

• M1: 133,890 km (0.047 R)
• M2: 465,997 km (0.08 R)
• M3: 977,622 km (0.045 R)
• M4: 3,413,225 km (0.041 R)
• M5: 4,186,945 km (0.094 R)
• M6: 5,325,834 km (0.083 R)
• M7: 7,532,552 km (0.072 R)
• M8: 8,837,793 km (0.09 R)
• M9: 10,653,014 km (0.11 R)
• M10: 11,366,895 km (0.109 R)
• M11: 13,458,423 km (0.097 R)
• M12: 14,192,649 km (0.098 R)
• M13: 17,114,445 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 10.3

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.57 AU - 5.87 AU

Year: 7953 Days

Day: 8.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,773,049 km

• M1: 128,205 km (0.078 R)
• M2: 778,807 km (0.112 R)
• M3: 1,111,512 km (0.096 R)
• M4: 1,694,495 km (0.111 R)
• M5: 3,016,641 km (0.117 R)
• M6: 3,566,862 km (0.118 R)
• M7: 4,049,016 km (0.071 R)
• M8: 5,051,322 km (0.117 R)
• M9: 5,627,423 km (0.085 R)
• M10: 6,246,908 km (0.059 R)
• M11: 8,644,363 km (0.05 R)
• M12: 9,707,705 km (0.109 R)
• M13: 10,907,929 km (0.094 R)
• M14: 13,124,371 km (0.098 R)
• M15: 14,400,740 km (0.049 R)
• M16: 16,229,125 km (0.114 R)
• M17: 21,797,756 km (0.09 R)
• M18: 24,200,298 km (0.092 R)
• M19: 27,348,436 km (0.079 R)
• M20: 35,582,302 km (0.073 R)
• M21: 36,627,393 km (0.05 R)
• M22: 38,172,739 km (0.103 R)
• M23: 39,885,036 km (0.099 R)
• M24: 40,383,646 km (0.081 R)
• M25: 42,678,477 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.3

Radius: 3.4

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.13 AU - 11.77 AU

Year: 19372 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,773,049 km

• M1: 44,431 km (0.071 R)
• M2: 224,546 km (0.11 R)
• M3: 674,387 km (0.078 R)
• M4: 1,921,884 km (0.104 R)
• M5: 2,502,623 km (0.117 R)
• M6: 2,695,903 km (0.075 R)
• M7: 3,092,338 km (0.096 R)
• M8: 3,635,677 km (0.075 R)
• M9: 4,363,321 km (0.077 R)
• M10: 4,540,146 km (0.061 R)
• M11: 5,239,217 km (0.101 R)
• M12: 5,614,408 km (0.093 R)
• M13: 6,881,203 km (0.104 R)
• M14: 7,581,022 km (0.074 R)
• M15: 12,596,440 km (0.061 R)
• M16: 13,746,548 km (0.117 R)
• M17: 14,625,585 km (0.116 R)
• M18: 15,079,017 km (0.055 R)
• M19: 17,048,323 km (0.116 R)
• M20: 17,550,373 km (0.032 R)
• M21: 17,869,017 km (0.095 R)
• M22: 20,208,877 km (0.108 R)
• M23: 25,566,725 km (0.045 R)
• M24: 26,141,181 km (0.101 R)
• M25: 29,679,918 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 20,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit