🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 9.2

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.16 AU - 1.26 AU

Year: 859 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,418,835 km

• M1: 114,442 km (0.109 R)
• M2: 489,933 km (0.034 R)
• M3: 906,114 km (0.112 R)
• M4: 1,400,984 km (0.108 R)
• M5: 1,938,938 km (0.03 R)
• M6: 2,234,992 km (0.09 R)
• M7: 4,721,159 km (0.108 R)
• M8: 5,721,670 km (0.026 R)
• M9: 6,142,040 km (0.113 R)
• M10: 6,696,300 km (0.117 R)
• M11: 7,115,922 km (0.031 R)
• M12: 9,111,857 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 9.3

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.18 AU - 1.9 AU

Year: 1234 Days

Day: 14.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,418,835 km

• M1: 117,135 km (0.116 R)
• M2: 655,987 km (0.106 R)
• M3: 1,461,571 km (0.114 R)
• M4: 1,801,009 km (0.102 R)
• M5: 2,116,959 km (0.071 R)
• M6: 2,555,132 km (0.051 R)
• M7: 2,970,266 km (0.101 R)
• M8: 3,903,607 km (0.094 R)
• M9: 4,474,323 km (0.113 R)
• M10: 4,885,118 km (0.119 R)
• M11: 5,259,861 km (0.065 R)
• M12: 5,739,173 km (0.086 R)
• M13: 6,112,120 km (0.102 R)
• M14: 6,882,100 km (0.117 R)
• M15: 9,642,780 km (0.105 R)
• M16: 10,361,747 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 9.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.71 AU - 2.43 AU

Year: 1923 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,418,835 km

• M1: 118,482 km (0.101 R)
• M2: 587,620 km (0.114 R)
• M3: 1,000,062 km (0.04 R)
• M4: 4,683,161 km (0.086 R)
• M5: 5,794,674 km (0.062 R)
• M6: 7,401,205 km (0.1 R)
• M7: 10,467,812 km (0.09 R)
• M8: 11,332,637 km (0.049 R)
• M9: 11,712,616 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 13.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.52 AU - 2.78 AU

Year: 2785 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,418,835 km

• M1: 170,392 km (0.088 R)
• M2: 691,292 km (0.116 R)
• M3: 1,195,736 km (0.104 R)
• M4: 1,696,440 km (0.06 R)
• M5: 2,351,529 km (0.063 R)
• M6: 2,899,356 km (0.113 R)
• M7: 3,958,659 km (0.106 R)
• M8: 4,894,992 km (0.107 R)
• M9: 5,332,566 km (0.072 R)
• M10: 5,771,336 km (0.09 R)
• M11: 6,529,498 km (0.072 R)
• M12: 6,975,599 km (0.087 R)
• M13: 8,340,979 km (0.052 R)
• M14: 9,173,042 km (0.073 R)
• M15: 10,169,813 km (0.03 R)
• M16: 11,798,784 km (0.088 R)
• M17: 12,378,775 km (0.086 R)
• M18: 14,279,865 km (0.096 R)
• M19: 15,082,906 km (0.101 R)
• M20: 15,569,099 km (0.086 R)
• M21: 16,521,888 km (0.104 R)
• M22: 18,654,406 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 11.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.42 AU - 2.9 AU

Year: 2801 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,418,835 km

• M1: 147,952 km (0.105 R)
• M2: 538,104 km (0.054 R)
• M3: 968,646 km (0.102 R)
• M4: 1,407,417 km (0.053 R)
• M5: 1,849,478 km (0.094 R)
• M6: 2,384,590 km (0.117 R)
• M7: 2,787,906 km (0.081 R)
• M8: 3,364,905 km (0.094 R)
• M9: 4,206,393 km (0.071 R)
• M10: 6,661,444 km (0.052 R)
• M11: 7,358,719 km (0.12 R)
• M12: 8,773,466 km (0.111 R)
• M13: 9,846,382 km (0.109 R)
• M14: 11,041,370 km (0.076 R)
• M15: 11,826,310 km (0.066 R)
• M16: 13,424,015 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 9.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.06 AU - 3.5 AU

Year: 3836 Days

Day: 9.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,418,835 km

• M1: 113,395 km (0.052 R)
• M2: 552,166 km (0.044 R)
• M3: 875,596 km (0.083 R)
• M4: 1,187,807 km (0.083 R)
• M5: 1,585,139 km (0.088 R)
• M6: 2,093,622 km (0.103 R)
• M7: 2,736,295 km (0.082 R)
• M8: 3,911,984 km (0.106 R)
• M9: 4,390,398 km (0.112 R)
• M10: 4,971,885 km (0.092 R)
• M11: 6,187,368 km (0.092 R)
• M12: 8,152,486 km (0.055 R)
• M13: 9,493,331 km (0.105 R)
• M14: 10,358,157 km (0.117 R)
• M15: 13,142,173 km (0.092 R)
• M16: 15,161,445 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.1

Radius: 8.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.85 AU - 6.93 AU

Year: 9230 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,418,835 km

• M1: 106,962 km (0.077 R)
• M2: 480,808 km (0.095 R)
• M3: 1,132,905 km (0.047 R)
• M4: 1,589,029 km (0.066 R)
• M5: 2,432,761 km (0.056 R)
• M6: 3,039,978 km (0.086 R)
• M7: 3,442,097 km (0.113 R)
• M8: 3,834,044 km (0.034 R)
• M9: 4,707,845 km (0.091 R)
• M10: 5,738,126 km (0.109 R)
• M11: 6,010,094 km (0.09 R)
• M12: 6,290,740 km (0.099 R)
• M13: 7,047,705 km (0.097 R)
• M14: 7,360,066 km (0.077 R)
• M15: 7,681,551 km (0.079 R)
• M16: 8,124,810 km (0.099 R)
• M17: 8,468,436 km (0.104 R)
• M18: 9,684,368 km (0.118 R)
• M19: 11,576,781 km (0.038 R)
• M20: 14,355,860 km (0.11 R)
• M21: 18,582,000 km (0.104 R)
• M22: 19,045,604 km (0.118 R)
• M23: 19,995,700 km (0.077 R)
• M24: 24,192,220 km (0.056 R)
• M25: 25,957,774 km (0.118 R)
• M26: 29,474,520 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.8

Radius: 4.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.23 AU - 7.51 AU

Year: 10381 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,418,835 km

• M1: 58,493 km (0.085 R)
• M2: 273,764 km (0.106 R)
• M3: 552,166 km (0.077 R)
• M4: 1,494,483 km (0.115 R)
• M5: 1,645,277 km (0.102 R)
• M6: 1,977,833 km (0.04 R)
• M7: 2,641,300 km (0.116 R)
• M8: 3,190,623 km (0.061 R)
• M9: 4,300,789 km (0.083 R)
• M10: 6,102,546 km (0.109 R)
• M11: 6,706,473 km (0.069 R)
• M12: 6,927,129 km (0.03 R)
• M13: 7,482,885 km (0.096 R)
• M14: 8,682,660 km (0.052 R)
• M15: 8,869,359 km (0.075 R)
• M16: 9,173,641 km (0.076 R)
• M17: 11,059,771 km (0.115 R)
• M18: 12,000,891 km (0.104 R)
• M19: 13,486,098 km (0.104 R)
• M20: 17,281,995 km (0.095 R)
• M21: 19,741,982 km (0.118 R)
• M22: 22,918,992 km (0.099 R)
• M23: 24,220,942 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 17,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit