🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 13.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.92 AU - 1.12 AU

Year: 711 Days

Day: 14.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,099,006 km

• M1: 171,738 km (0.073 R)
• M2: 616,493 km (0.109 R)
• M3: 1,420,432 km (0.103 R)
• M4: 2,182,035 km (0.106 R)
• M5: 2,847,446 km (0.072 R)
• M6: 3,386,148 km (0.064 R)
• M7: 4,159,270 km (0.075 R)
• M8: 5,100,240 km (0.074 R)
• M9: 5,612,314 km (0.059 R)
• M10: 6,098,357 km (0.084 R)
• M11: 7,290,353 km (0.036 R)
• M12: 8,038,342 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 8.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.19 AU - 1.35 AU

Year: 988 Days

Day: 5.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,099,006 km

• M1: 147,952 km (0.077 R)
• M2: 484,398 km (0.099 R)
• M3: 863,629 km (0.045 R)
• M4: 1,240,615 km (0.038 R)
• M5: 2,011,942 km (0.05 R)
• M6: 2,275,234 km (0.066 R)
• M7: 3,421,752 km (0.114 R)
• M8: 6,086,988 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790

Radius: 11.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.63 AU - 3.38 AU

Year: 3587 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,099,006 km

• M1: 146,756 km (0.089 R)
• M2: 595,250 km (0.066 R)
• M3: 1,323,792 km (0.115 R)
• M4: 1,872,816 km (0.11 R)
• M5: 2,295,729 km (0.101 R)
• M6: 2,716,249 km (0.106 R)
• M7: 3,151,279 km (0.106 R)
• M8: 3,694,020 km (0.029 R)
• M9: 4,321,284 km (0.105 R)
• M10: 4,942,863 km (0.115 R)
• M11: 5,354,557 km (0.096 R)
• M12: 5,788,989 km (0.085 R)
• M13: 6,853,677 km (0.115 R)
• M14: 8,079,332 km (0.119 R)
• M15: 9,602,538 km (0.077 R)
• M16: 10,369,825 km (0.107 R)
• M17: 11,352,982 km (0.055 R)
• M18: 12,870,802 km (0.112 R)
• M19: 15,422,344 km (0.09 R)
• M20: 16,137,422 km (0.069 R)
• M21: 16,645,456 km (0.094 R)
• M22: 17,456,576 km (0.08 R)
• M23: 18,354,911 km (0.101 R)
• M24: 19,600,163 km (0.111 R)
• M25: 22,051,325 km (0.077 R)
• M26: 24,110,240 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 13

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.57 AU - 5.97 AU

Year: 8351 Days

Day: 9.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,099,006 km

• M1: 161,715 km (0.112 R)
• M2: 1,025,045 km (0.045 R)
• M3: 1,828,984 km (0.037 R)
• M4: 2,707,422 km (0.107 R)
• M5: 3,198,103 km (0.103 R)
• M6: 4,389,351 km (0.029 R)
• M7: 6,279,670 km (0.1 R)
• M8: 8,178,815 km (0.11 R)
• M9: 8,618,483 km (0.1 R)
• M10: 12,040,684 km (0.049 R)
• M11: 13,079,791 km (0.087 R)
• M12: 18,582,898 km (0.1 R)
• M13: 20,207,531 km (0.116 R)
• M14: 21,259,503 km (0.113 R)
• M15: 22,775,977 km (0.106 R)
• M16: 27,955,055 km (0.066 R)
• M17: 30,501,809 km (0.104 R)
• M18: 32,210,666 km (0.054 R)
• M19: 35,701,981 km (0.119 R)
• M20: 41,982,249 km (0.103 R)
• M21: 43,029,883 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.8

Radius: 6.7

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.2 AU - 10.66 AU

Year: 18420 Days

Day: 21.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,099,006 km

• M1: 83,476 km (0.115 R)
• M2: 558,000 km (0.065 R)
• M3: 1,343,389 km (0.104 R)
• M4: 1,846,487 km (0.112 R)
• M5: 2,555,281 km (0.116 R)
• M6: 2,804,511 km (0.117 R)
• M7: 4,495,416 km (0.119 R)
• M8: 4,725,198 km (0.09 R)
• M9: 5,137,640 km (0.088 R)
• M10: 5,878,000 km (0.062 R)
• M11: 6,519,774 km (0.117 R)
• M12: 7,074,783 km (0.044 R)
• M13: 8,426,100 km (0.108 R)
• M14: 9,032,570 km (0.076 R)
• M15: 11,938,508 km (0.115 R)
• M16: 12,703,253 km (0.108 R)
• M17: 12,965,199 km (0.079 R)
• M18: 14,471,200 km (0.114 R)
• M19: 14,757,082 km (0.069 R)
• M20: 15,938,307 km (0.118 R)
• M21: 16,551,957 km (0.101 R)
• M22: 21,573,509 km (0.043 R)
• M23: 23,977,098 km (0.094 R)
• M24: 25,605,620 km (0.106 R)
• M25: 26,024,046 km (0.118 R)
• M26: 27,306,548 km (0.102 R)
• M27: 29,194,922 km (0.114 R)
• M28: 30,228,943 km (0.096 R)
• M29: 33,477,759 km (0.12 R)
• M30: 34,610,365 km (0.111 R)
• M31: 37,085,013 km (0.089 R)
• M32: 38,844,583 km (0.062 R)
• M33: 44,757,589 km (0.095 R)
• M34: 45,212,366 km (0.104 R)
• M35: 52,915,011 km (0.077 R)
• M36: 54,450,483 km (0.091 R)
• M37: 55,664,919 km (0.069 R)
• M38: 58,689,638 km (0.067 R)
• M39: 59,052,413 km (0.092 R)
• M40: 59,966,306 km (0.082 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: 495 - 18,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit