🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 944.2

Radius: 11.8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.5 AU - 0.68 AU

Year: 307 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,146,122 km

• M1: 146,756 km (0.108 R)
• M2: 521,049 km (0.061 R)
• M3: 1,124,078 km (0.029 R)
• M4: 1,537,567 km (0.116 R)
• M5: 1,937,143 km (0.117 R)
• M6: 2,327,593 km (0.12 R)
• M7: 3,045,364 km (0.109 R)
• M8: 3,497,000 km (0.078 R)
• M9: 4,265,484 km (0.101 R)
• M10: 4,847,869 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.2

Radius: 14.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.67 AU - 0.77 AU

Year: 414 Days

Day: 6 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,146,122 km

• M1: 185,352 km (0.118 R)
• M2: 707,448 km (0.107 R)
• M3: 1,180,477 km (0.079 R)
• M4: 1,684,921 km (0.11 R)
• M5: 2,531,495 km (0.039 R)
• M6: 3,097,723 km (0.062 R)
• M7: 3,748,474 km (0.098 R)
• M8: 4,503,943 km (0.034 R)
• M9: 4,995,522 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 12.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.72 AU - 1.1 AU

Year: 589 Days

Day: 10.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 108.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,146,122 km

• M1: 157,975 km (0.089 R)
• M2: 554,111 km (0.061 R)
• M3: 1,047,933 km (0.106 R)
• M4: 1,498,522 km (0.057 R)
• M5: 1,915,152 km (0.099 R)
• M6: 2,511,150 km (0.089 R)
• M7: 3,689,682 km (0.072 R)
• M8: 4,557,050 km (0.116 R)
• M9: 6,555,229 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 13.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.19 AU - 1.69 AU

Year: 1172 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,146,122 km

• M1: 170,392 km (0.086 R)
• M2: 1,317,508 km (0.08 R)
• M3: 1,889,421 km (0.094 R)
• M4: 2,555,281 km (0.058 R)
• M5: 3,430,878 km (0.059 R)
• M6: 5,203,762 km (0.03 R)
• M7: 5,654,052 km (0.069 R)
• M8: 6,130,371 km (0.088 R)
• M9: 6,655,908 km (0.104 R)
• M10: 7,598,973 km (0.054 R)
• M11: 8,791,717 km (0.105 R)
• M12: 9,461,766 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.45 AU - 3.43 AU

Year: 3419 Days

Day: 7.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,146,122 km

• M1: 111,899 km (0.107 R)
• M2: 709,094 km (0.077 R)
• M3: 1,086,679 km (0.099 R)
• M4: 1,498,522 km (0.075 R)
• M5: 1,908,719 km (0.097 R)
• M6: 2,189,814 km (0.081 R)
• M7: 3,026,215 km (0.104 R)
• M8: 4,601,481 km (0.067 R)
• M9: 4,937,927 km (0.036 R)
• M10: 5,824,443 km (0.12 R)
• M11: 6,218,933 km (0.032 R)
• M12: 6,752,399 km (0.117 R)
• M13: 8,359,529 km (0.042 R)
• M14: 8,680,416 km (0.101 R)
• M15: 9,461,018 km (0.111 R)
• M16: 10,328,387 km (0.092 R)
• M17: 11,950,028 km (0.055 R)
• M18: 12,915,532 km (0.106 R)
• M19: 13,882,682 km (0.116 R)
• M20: 15,053,735 km (0.104 R)
• M21: 15,476,049 km (0.085 R)
• M22: 16,069,803 km (0.116 R)
• M23: 17,533,170 km (0.084 R)
• M24: 18,178,385 km (0.092 R)
• M25: 18,961,231 km (0.102 R)
• M26: 19,703,536 km (0.081 R)
• M27: 22,182,372 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.1

Radius: 14.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.38 AU - 3.68 AU

Year: 4498 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,146,122 km

• M1: 180,265 km (0.084 R)
• M2: 677,080 km (0.065 R)
• M3: 1,288,935 km (0.099 R)
• M4: 2,341,805 km (0.111 R)
• M5: 2,825,455 km (0.026 R)
• M6: 4,408,051 km (0.098 R)
• M7: 5,557,710 km (0.075 R)
• M8: 6,099,853 km (0.025 R)
• M9: 6,899,005 km (0.115 R)
• M10: 7,526,418 km (0.077 R)
• M11: 8,744,444 km (0.102 R)
• M12: 10,173,553 km (0.088 R)
• M13: 11,661,453 km (0.073 R)
• M14: 12,125,655 km (0.091 R)
• M15: 12,698,914 km (0.087 R)
• M16: 14,055,318 km (0.1 R)
• M17: 15,011,847 km (0.087 R)
• M18: 15,729,319 km (0.075 R)
• M19: 18,266,947 km (0.104 R)
• M20: 19,406,285 km (0.081 R)
• M21: 19,861,960 km (0.097 R)
• M22: 23,036,576 km (0.104 R)
• M23: 23,769,157 km (0.036 R)
• M24: 24,291,104 km (0.105 R)
• M25: 26,535,670 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.5

Radius: 3.6

Gravity: 61.92 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.15 AU - 8.25 AU

Year: 14492 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,146,122 km

• M1: 47,123 km (0.097 R)
• M2: 276,307 km (0.119 R)
• M3: 403,316 km (0.09 R)
• M4: 546,780 km (0.03 R)
• M5: 905,666 km (0.081 R)
• M6: 1,275,621 km (0.074 R)
• M7: 2,264,613 km (0.11 R)
• M8: 4,183,355 km (0.081 R)
• M9: 4,567,073 km (0.076 R)
• M10: 6,758,533 km (0.09 R)
• M11: 6,975,001 km (0.103 R)
• M12: 8,031,311 km (0.102 R)
• M13: 8,522,142 km (0.086 R)
• M14: 9,671,951 km (0.089 R)
• M15: 10,570,436 km (0.027 R)
• M16: 11,219,392 km (0.067 R)
• M17: 11,584,410 km (0.097 R)
• M18: 13,529,183 km (0.061 R)
• M19: 17,396,736 km (0.03 R)
• M20: 18,050,479 km (0.086 R)
• M21: 18,635,706 km (0.026 R)
• M22: 19,319,967 km (0.113 R)
• M23: 25,825,978 km (0.083 R)
• M24: 27,544,110 km (0.066 R)
• M25: 32,291,748 km (0.09 R)
• M26: 44,564,308 km (0.034 R)
• M27: 47,028,634 km (0.047 R)
• M28: 47,342,789 km (0.089 R)
• M29: 58,154,826 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.3

Radius: 4.9

Gravity: 29.63 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.76 AU - 9.38 AU

Year: 15549 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,146,122 km

• M1: 60,886 km (0.119 R)
• M2: 493,374 km (0.101 R)
• M3: 1,018,014 km (0.066 R)
• M4: 2,421,242 km (0.033 R)
• M5: 4,133,389 km (0.075 R)
• M6: 4,352,550 km (0.056 R)
• M7: 4,612,701 km (0.042 R)
• M8: 5,681,129 km (0.105 R)
• M9: 6,071,280 km (0.073 R)
• M10: 12,050,856 km (0.107 R)
• M11: 12,305,622 km (0.095 R)
• M12: 13,225,200 km (0.084 R)
• M13: 13,633,004 km (0.091 R)
• M14: 14,833,975 km (0.098 R)
• M15: 26,757,075 km (0.087 R)
• M16: 34,394,346 km (0.102 R)
• M17: 35,946,872 km (0.096 R)
• M18: 37,141,411 km (0.118 R)
• M19: 45,635,279 km (0.089 R)
• M20: 48,623,796 km (0.037 R)
• M21: 57,285,064 km (0.118 R)
• M22: 60,757,679 km (0.075 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 20,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit