🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 12.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.72 AU - 1.84 AU

Year: 1533 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,605,705 km

• M1: 162,314 km (0.058 R)
• M2: 871,258 km (0.106 R)
• M3: 1,294,321 km (0.042 R)
• M4: 2,163,484 km (0.084 R)
• M5: 3,759,993 km (0.114 R)
• M6: 4,658,328 km (0.107 R)
• M7: 5,233,083 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 10.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.56 AU - 2.52 AU

Year: 1881 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,605,705 km

• M1: 135,536 km (0.077 R)
• M2: 520,301 km (0.102 R)
• M3: 888,611 km (0.06 R)
• M4: 1,274,424 km (0.084 R)
• M5: 1,940,584 km (0.108 R)
• M6: 2,296,327 km (0.101 R)
• M7: 2,852,831 km (0.086 R)
• M8: 3,346,205 km (0.12 R)
• M9: 3,895,828 km (0.072 R)
• M10: 4,709,191 km (0.109 R)
• M11: 5,298,308 km (0.107 R)
• M12: 6,864,747 km (0.026 R)
• M13: 7,338,673 km (0.105 R)
• M14: 8,380,174 km (0.112 R)
• M15: 10,044,450 km (0.071 R)
• M16: 10,492,795 km (0.112 R)
• M17: 11,498,840 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 14.8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.63 AU - 2.91 AU

Year: 2977 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 58.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,605,705 km

• M1: 185,202 km (0.1 R)
• M2: 750,981 km (0.118 R)
• M3: 1,534,874 km (0.106 R)
• M4: 2,470,160 km (0.117 R)
• M5: 3,067,355 km (0.107 R)
• M6: 3,780,637 km (0.107 R)
• M7: 4,983,255 km (0.113 R)
• M8: 9,547,934 km (0.041 R)
• M9: 14,055,019 km (0.113 R)
• M10: 15,437,752 km (0.043 R)
• M11: 18,058,408 km (0.068 R)
• M12: 19,941,695 km (0.092 R)
• M13: 20,963,449 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 14

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.29 AU - 6.13 AU

Year: 8810 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,605,705 km

• M1: 174,132 km (0.077 R)
• M2: 901,776 km (0.068 R)
• M3: 1,908,420 km (0.114 R)
• M4: 2,343,899 km (0.11 R)
• M5: 3,572,248 km (0.107 R)
• M6: 4,971,137 km (0.052 R)
• M7: 5,423,222 km (0.111 R)
• M8: 6,575,574 km (0.086 R)
• M9: 7,406,591 km (0.051 R)
• M10: 9,194,435 km (0.074 R)
• M11: 10,690,114 km (0.097 R)
• M12: 13,176,730 km (0.116 R)
• M13: 16,643,362 km (0.117 R)
• M14: 20,175,816 km (0.077 R)
• M15: 21,260,101 km (0.073 R)
• M16: 22,997,531 km (0.118 R)
• M17: 23,623,449 km (0.112 R)
• M18: 27,271,841 km (0.115 R)
• M19: 27,796,930 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.8

Radius: 4.7

Gravity: 32.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.37 AU - 9.71 AU

Year: 14720 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,605,705 km

• M1: 58,942 km (0.094 R)
• M2: 235,168 km (0.061 R)
• M3: 562,638 km (0.093 R)
• M4: 729,589 km (0.097 R)
• M5: 1,954,347 km (0.095 R)
• M6: 2,449,366 km (0.095 R)
• M7: 2,830,841 km (0.1 R)
• M8: 3,972,422 km (0.12 R)
• M9: 7,072,539 km (0.108 R)
• M10: 9,388,912 km (0.082 R)
• M11: 9,983,264 km (0.114 R)
• M12: 10,261,516 km (0.091 R)
• M13: 11,730,867 km (0.108 R)
• M14: 22,617,104 km (0.083 R)
• M15: 30,199,472 km (0.109 R)
• M16: 34,053,263 km (0.117 R)
• M17: 42,138,130 km (0.039 R)
• M18: 54,268,572 km (0.052 R)
• M19: 59,199,169 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.5

Radius: 7

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.11 AU - 10.01 AU

Year: 17608 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,605,705 km

• M1: 87,066 km (0.112 R)
• M2: 335,847 km (0.059 R)
• M3: 1,199,177 km (0.09 R)
• M4: 1,803,552 km (0.113 R)
• M5: 2,441,587 km (0.103 R)
• M6: 3,739,199 km (0.091 R)
• M7: 4,602,678 km (0.085 R)
• M8: 6,506,011 km (0.105 R)
• M9: 13,543,245 km (0.103 R)
• M10: 13,957,930 km (0.092 R)
• M11: 21,610,460 km (0.11 R)
• M12: 23,735,647 km (0.068 R)
• M13: 24,746,181 km (0.067 R)
• M14: 25,470,384 km (0.109 R)
• M15: 31,780,871 km (0.077 R)
• M16: 33,131,889 km (0.102 R)
• M17: 34,265,542 km (0.114 R)
• M18: 42,638,983 km (0.112 R)
• M19: 47,374,055 km (0.117 R)
• M20: 48,973,257 km (0.119 R)
• M21: 60,069,230 km (0.117 R)
• M22: 64,045,840 km (0.056 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 14,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit