🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 13.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.51 AU - 0.67 AU

Year: 319 Days

Day: 9.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,008,563 km

• M1: 166,652 km (0.079 R)
• M2: 789,578 km (0.115 R)
• M3: 1,248,544 km (0.074 R)
• M4: 1,747,602 km (0.077 R)
• M5: 2,269,101 km (0.1 R)
• M6: 2,864,500 km (0.089 R)
• M7: 3,586,160 km (0.032 R)
• M8: 4,098,234 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.9

Radius: 8

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.69 AU - 0.73 AU

Year: 421 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,008,563 km

• M1: 99,483 km (0.118 R)
• M2: 440,267 km (0.106 R)
• M3: 692,339 km (0.085 R)
• M4: 946,655 km (0.098 R)
• M5: 1,265,149 km (0.051 R)
• M6: 2,241,126 km (0.06 R)
• M7: 2,634,269 km (0.117 R)
• M8: 3,408,438 km (0.066 R)
• M9: 3,808,163 km (0.109 R)
• M10: 4,181,560 km (0.079 R)
• M11: 5,115,499 km (0.094 R)
• M12: 5,835,215 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.3

Radius: 14

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.6 AU - 0.86 AU

Year: 438 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,008,563 km

• M1: 174,132 km (0.12 R)
• M2: 622,028 km (0.116 R)
• M3: 1,171,351 km (0.108 R)
• M4: 2,205,671 km (0.074 R)
• M5: 2,696,352 km (0.055 R)
• M6: 3,307,908 km (0.085 R)
• M7: 3,875,931 km (0.101 R)
• M8: 4,598,339 km (0.045 R)
• M9: 5,259,412 km (0.086 R)
• M10: 5,769,840 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 9.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.77 AU - 1.27 AU

Year: 724 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,008,563 km

• M1: 114,442 km (0.114 R)
• M2: 414,237 km (0.04 R)
• M3: 760,406 km (0.035 R)
• M4: 1,237,922 km (0.101 R)
• M5: 1,595,461 km (0.101 R)
• M6: 1,890,319 km (0.073 R)
• M7: 2,195,199 km (0.104 R)
• M8: 2,663,440 km (0.096 R)
• M9: 3,116,722 km (0.118 R)
• M10: 3,410,532 km (0.099 R)
• M11: 5,201,518 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 13.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.87 AU - 1.31 AU

Year: 800 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,008,563 km

• M1: 172,935 km (0.088 R)
• M2: 1,119,291 km (0.103 R)
• M3: 2,536,881 km (0.106 R)
• M4: 3,284,720 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 9.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.23 AU - 1.31 AU

Year: 1006 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,008,563 km

• M1: 121,922 km (0.105 R)
• M2: 534,663 km (0.102 R)
• M3: 1,183,020 km (0.103 R)
• M4: 1,900,043 km (0.097 R)
• M5: 2,295,729 km (0.095 R)
• M6: 3,268,863 km (0.037 R)
• M7: 3,658,117 km (0.098 R)
• M8: 4,724,301 km (0.106 R)
• M9: 5,339,298 km (0.106 R)
• M10: 5,985,710 km (0.034 R)
• M11: 9,329,073 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 11.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.87 AU - 2.97 AU

Year: 2646 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,008,563 km

• M1: 140,622 km (0.104 R)
• M2: 525,687 km (0.077 R)
• M3: 902,374 km (0.09 R)
• M4: 1,341,444 km (0.065 R)
• M5: 1,726,210 km (0.075 R)
• M6: 2,653,866 km (0.039 R)
• M7: 3,092,038 km (0.114 R)
• M8: 3,739,498 km (0.061 R)
• M9: 4,115,437 km (0.119 R)
• M10: 4,900,078 km (0.04 R)
• M11: 5,684,121 km (0.104 R)
• M12: 6,312,581 km (0.066 R)
• M13: 6,738,636 km (0.096 R)
• M14: 7,240,986 km (0.099 R)
• M15: 8,801,292 km (0.075 R)
• M16: 11,370,485 km (0.114 R)
• M17: 12,534,058 km (0.045 R)
• M18: 12,910,895 km (0.112 R)
• M19: 14,221,970 km (0.102 R)
• M20: 16,701,705 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 14.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.88 AU - 5.2 AU

Year: 6800 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,008,563 km

• M1: 185,501 km (0.118 R)
• M2: 871,707 km (0.113 R)
• M3: 1,366,726 km (0.05 R)
• M4: 1,921,734 km (0.08 R)
• M5: 2,496,190 km (0.063 R)
• M6: 3,202,142 km (0.058 R)
• M7: 5,804,996 km (0.117 R)
• M8: 6,449,164 km (0.089 R)
• M9: 7,200,594 km (0.119 R)
• M10: 8,009,769 km (0.087 R)
• M11: 8,537,251 km (0.094 R)
• M12: 9,480,316 km (0.107 R)
• M13: 16,448,735 km (0.118 R)
• M14: 19,394,766 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.1

Radius: 6

Gravity: 26.45 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.53 AU - 10.35 AU

Year: 20388 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,008,563 km

• M1: 76,295 km (0.048 R)
• M2: 320,738 km (0.104 R)
• M3: 870,510 km (0.068 R)
• M4: 1,161,627 km (0.09 R)
• M5: 1,401,283 km (0.045 R)
• M6: 1,881,343 km (0.082 R)
• M7: 2,084,946 km (0.094 R)
• M8: 3,696,264 km (0.114 R)
• M9: 4,219,109 km (0.099 R)
• M10: 4,498,408 km (0.092 R)
• M11: 4,902,621 km (0.094 R)
• M12: 5,133,002 km (0.09 R)
• M13: 6,532,640 km (0.059 R)
• M14: 7,099,466 km (0.113 R)
• M15: 8,659,174 km (0.11 R)
• M16: 9,168,405 km (0.081 R)
• M17: 12,297,543 km (0.111 R)
• M18: 12,795,854 km (0.112 R)
• M19: 13,606,076 km (0.052 R)
• M20: 15,085,300 km (0.06 R)
• M21: 15,573,886 km (0.117 R)
• M22: 15,822,069 km (0.111 R)
• M23: 16,928,196 km (0.096 R)
• M24: 17,903,724 km (0.098 R)
• M25: 22,391,211 km (0.12 R)
• M26: 23,133,815 km (0.086 R)
• M27: 24,112,634 km (0.092 R)
• M28: 24,668,090 km (0.069 R)
• M29: 25,804,885 km (0.038 R)
• M30: 29,676,478 km (0.052 R)
• M31: 31,485,714 km (0.109 R)
• M32: 35,038,514 km (0.054 R)
• M33: 38,849,520 km (0.11 R)
• M34: 39,920,940 km (0.067 R)
• M35: 47,977,832 km (0.12 R)
• M36: 49,924,400 km (0.057 R)
• M37: 54,733,373 km (0.111 R)
• M38: 66,772,411 km (0.099 R)
• M39: 69,867,292 km (0.109 R)
• M40: 74,452,467 km (0.052 R)
• M41: 75,629,353 km (0.099 R)
• M42: 81,451,104 km (0.159 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: 215 - 10,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit