🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 13.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 13.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,054,676 km

• M1: 162,912 km (0.117 R)
• M2: 827,426 km (0.098 R)
• M3: 1,402,929 km (0.119 R)
• M4: 2,194,302 km (0.097 R)
• M5: 3,007,964 km (0.093 R)
• M6: 3,443,145 km (0.118 R)
• M7: 3,862,916 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 8.1

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.69 AU - 0.77 AU

Year: 416 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,054,676 km

• M1: 100,679 km (0.102 R)
• M2: 388,954 km (0.075 R)
• M3: 730,337 km (0.085 R)
• M4: 987,645 km (0.056 R)
• M5: 1,282,503 km (0.12 R)
• M6: 1,929,364 km (0.092 R)
• M7: 2,185,326 km (0.038 R)
• M8: 2,454,452 km (0.095 R)
• M9: 2,756,341 km (0.111 R)
• M10: 3,026,814 km (0.114 R)
• M11: 3,508,968 km (0.066 R)
• M12: 4,014,309 km (0.091 R)
• M13: 4,537,603 km (0.09 R)
• M14: 4,792,966 km (0.042 R)
• M15: 5,482,014 km (0.107 R)
• M16: 6,054,525 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.8

Radius: 10.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.09 AU - 1.59 AU

Year: 1034 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,054,676 km

• M1: 130,599 km (0.097 R)
• M2: 469,588 km (0.081 R)
• M3: 854,204 km (0.066 R)
• M4: 1,717,683 km (0.059 R)
• M5: 3,139,461 km (0.057 R)
• M6: 3,514,054 km (0.105 R)
• M7: 4,287,325 km (0.094 R)
• M8: 5,264,947 km (0.054 R)
• M9: 6,149,220 km (0.119 R)
• M10: 7,082,711 km (0.101 R)
• M11: 7,755,752 km (0.096 R)
• M12: 8,629,852 km (0.118 R)
• M13: 9,090,913 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.8

Radius: 13.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.33 AU - 1.41 AU

Year: 1069 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 177.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,054,676 km

• M1: 164,109 km (0.104 R)
• M2: 656,735 km (0.073 R)
• M3: 1,079,947 km (0.089 R)
• M4: 1,509,143 km (0.107 R)
• M5: 2,609,136 km (0.027 R)
• M6: 3,434,468 km (0.119 R)
• M7: 5,202,864 km (0.039 R)
• M8: 5,980,923 km (0.097 R)
• M9: 6,488,658 km (0.108 R)
• M10: 6,929,822 km (0.109 R)
• M11: 7,566,062 km (0.117 R)
• M12: 8,348,160 km (0.109 R)
• M13: 9,270,131 km (0.073 R)
• M14: 10,763,118 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 8.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.41 AU - 2.57 AU

Year: 2620 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,054,676 km

• M1: 103,971 km (0.103 R)
• M2: 612,902 km (0.052 R)
• M3: 1,057,657 km (0.071 R)
• M4: 1,563,747 km (0.117 R)
• M5: 2,017,626 km (0.108 R)
• M6: 2,544,061 km (0.09 R)
• M7: 2,868,090 km (0.055 R)
• M8: 3,973,918 km (0.104 R)
• M9: 4,393,091 km (0.096 R)
• M10: 4,662,367 km (0.117 R)
• M11: 5,427,860 km (0.068 R)
• M12: 8,402,314 km (0.076 R)
• M13: 8,668,449 km (0.098 R)
• M14: 9,124,573 km (0.098 R)
• M15: 9,725,208 km (0.038 R)
• M16: 10,251,194 km (0.093 R)
• M17: 12,623,368 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 11.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.65 AU - 2.65 AU

Year: 2877 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,054,676 km

• M1: 145,559 km (0.119 R)
• M2: 747,840 km (0.047 R)
• M3: 1,236,726 km (0.077 R)
• M4: 2,452,956 km (0.111 R)
• M5: 3,733,364 km (0.037 R)
• M6: 4,575,152 km (0.105 R)
• M7: 6,291,338 km (0.042 R)
• M8: 7,134,622 km (0.095 R)
• M9: 8,511,520 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 12.8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.03 AU - 5.01 AU

Year: 6408 Days

Day: 5.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,054,676 km

• M1: 159,172 km (0.051 R)
• M2: 568,622 km (0.065 R)
• M3: 1,023,698 km (0.088 R)
• M4: 1,470,846 km (0.104 R)
• M5: 1,943,875 km (0.054 R)
• M6: 2,395,212 km (0.1 R)
• M7: 2,899,506 km (0.086 R)
• M8: 3,821,328 km (0.113 R)
• M9: 4,804,934 km (0.091 R)
• M10: 5,893,558 km (0.045 R)
• M11: 6,301,062 km (0.08 R)
• M12: 12,495,312 km (0.112 R)
• M13: 15,838,824 km (0.039 R)
• M14: 17,447,749 km (0.067 R)
• M15: 18,047,936 km (0.077 R)
• M16: 19,608,990 km (0.097 R)
• M17: 22,926,921 km (0.107 R)
• M18: 23,357,464 km (0.118 R)
• M19: 24,160,655 km (0.083 R)
• M20: 25,057,793 km (0.107 R)
• M21: 25,977,072 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 19,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit