🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 13.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.7 AU - 0.88 AU

Year: 468 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,958,586 km

• M1: 164,109 km (0.074 R)
• M2: 627,264 km (0.099 R)
• M3: 1,105,977 km (0.095 R)
• M4: 1,558,959 km (0.08 R)
• M5: 2,059,065 km (0.108 R)
• M6: 2,544,061 km (0.079 R)
• M7: 4,074,597 km (0.061 R)
• M8: 4,539,398 km (0.112 R)
• M9: 5,931,107 km (0.092 R)
• M10: 6,357,910 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 9.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.92 AU - 0.92 AU

Year: 588 Days

Day: 11.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,958,586 km

• M1: 120,576 km (0.117 R)
• M2: 504,294 km (0.117 R)
• M3: 841,787 km (0.081 R)
• M4: 1,147,416 km (0.074 R)
• M5: 1,759,421 km (0.102 R)
• M6: 2,088,087 km (0.05 R)
• M7: 2,405,384 km (0.053 R)
• M8: 3,126,595 km (0.087 R)
• M9: 3,810,557 km (0.11 R)
• M10: 4,542,539 km (0.086 R)
• M11: 4,942,265 km (0.12 R)
• M12: 5,474,983 km (0.114 R)
• M13: 6,488,658 km (0.045 R)
• M14: 7,194,012 km (0.085 R)
• M15: 7,785,073 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.2

Radius: 8.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.91 AU - 1.97 AU

Year: 1802 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,958,586 km

• M1: 172,038 km (0.049 R)
• M2: 1,076,955 km (0.115 R)
• M3: 1,580,502 km (0.06 R)
• M4: 2,327,444 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 14.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.74 AU - 2.48 AU

Year: 2044 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,958,586 km

• M1: 179,069 km (0.108 R)
• M2: 689,945 km (0.112 R)
• M3: 1,309,131 km (0.076 R)
• M4: 1,909,018 km (0.118 R)
• M5: 2,507,709 km (0.03 R)
• M6: 4,326,670 km (0.1 R)
• M7: 5,028,433 km (0.118 R)
• M8: 5,658,240 km (0.07 R)
• M9: 6,392,915 km (0.073 R)
• M10: 6,936,105 km (0.073 R)
• M11: 8,462,452 km (0.045 R)
• M12: 10,166,671 km (0.098 R)
• M13: 13,224,153 km (0.082 R)
• M14: 14,290,935 km (0.118 R)
• M15: 17,364,573 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.8

Radius: 12.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2 AU - 2.5 AU

Year: 2251 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,958,586 km

• M1: 154,235 km (0.087 R)
• M2: 668,104 km (0.091 R)
• M3: 1,178,083 km (0.073 R)
• M4: 2,018,374 km (0.102 R)
• M5: 2,586,098 km (0.084 R)
• M6: 3,275,745 km (0.067 R)
• M7: 4,431,538 km (0.092 R)
• M8: 6,231,051 km (0.094 R)
• M9: 6,804,609 km (0.096 R)
• M10: 7,294,691 km (0.105 R)
• M11: 8,541,141 km (0.115 R)
• M12: 8,975,423 km (0.098 R)
• M13: 11,253,649 km (0.107 R)
• M14: 14,077,309 km (0.112 R)
• M15: 16,406,847 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 12.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.81 AU - 2.93 AU

Year: 2433 Days

Day: 8.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,958,586 km

• M1: 174,730 km (0.11 R)
• M2: 806,632 km (0.082 R)
• M3: 1,679,685 km (0.111 R)
• M4: 2,443,980 km (0.098 R)
• M5: 3,429,232 km (0.104 R)
• M6: 4,625,267 km (0.098 R)
• M7: 6,151,913 km (0.099 R)
• M8: 7,263,425 km (0.112 R)
• M9: 7,936,466 km (0.106 R)
• M10: 10,142,287 km (0.103 R)
• M11: 11,192,763 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 14.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.13 AU - 4.03 AU

Year: 4517 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,958,586 km

• M1: 181,013 km (0.064 R)
• M2: 637,586 km (0.097 R)
• M3: 1,289,534 km (0.066 R)
• M4: 2,021,965 km (0.107 R)
• M5: 2,714,902 km (0.046 R)
• M6: 3,386,896 km (0.119 R)
• M7: 6,092,373 km (0.058 R)
• M8: 7,518,191 km (0.101 R)
• M9: 8,817,747 km (0.111 R)
• M10: 11,616,125 km (0.091 R)
• M11: 12,998,709 km (0.086 R)
• M12: 14,302,155 km (0.057 R)
• M13: 17,325,977 km (0.077 R)
• M14: 18,130,364 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.2

Radius: 11.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.93 AU - 5.21 AU

Year: 6515 Days

Day: 11.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,958,586 km

• M1: 152,739 km (0.065 R)
• M2: 536,608 km (0.117 R)
• M3: 1,250,339 km (0.101 R)
• M4: 2,163,634 km (0.105 R)
• M5: 2,701,289 km (0.12 R)
• M6: 5,258,664 km (0.039 R)
• M7: 6,464,573 km (0.106 R)
• M8: 7,079,719 km (0.08 R)
• M9: 7,808,560 km (0.067 R)
• M10: 9,161,673 km (0.086 R)
• M11: 9,894,254 km (0.079 R)
• M12: 12,173,976 km (0.086 R)
• M13: 13,112,852 km (0.069 R)
• M14: 14,211,798 km (0.1 R)
• M15: 19,158,551 km (0.079 R)
• M16: 22,435,492 km (0.084 R)
• M17: 22,898,796 km (0.068 R)
• M18: 28,970,076 km (0.082 R)
• M19: 30,734,883 km (0.095 R)
• M20: 32,767,469 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.3

Radius: 7.4

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.48 AU - 7.26 AU

Year: 9484 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,958,586 km

• M1: 92,003 km (0.083 R)
• M2: 342,130 km (0.118 R)
• M3: 672,143 km (0.062 R)
• M4: 945,608 km (0.071 R)
• M5: 1,393,355 km (0.108 R)
• M6: 2,109,629 km (0.077 R)
• M7: 3,867,404 km (0.114 R)
• M8: 5,132,853 km (0.051 R)
• M9: 6,615,966 km (0.11 R)
• M10: 7,435,463 km (0.076 R)
• M11: 10,248,950 km (0.084 R)
• M12: 11,615,527 km (0.049 R)
• M13: 12,572,205 km (0.113 R)
• M14: 12,863,323 km (0.119 R)
• M15: 14,260,866 km (0.077 R)
• M16: 18,081,895 km (0.117 R)
• M17: 19,753,202 km (0.114 R)
• M18: 20,146,944 km (0.105 R)
• M19: 21,442,162 km (0.043 R)
• M20: 22,279,312 km (0.115 R)
• M21: 26,890,816 km (0.113 R)
• M22: 27,472,003 km (0.083 R)
• M23: 30,295,364 km (0.116 R)
• M24: 31,242,319 km (0.079 R)
• M25: 32,209,020 km (0.065 R)
• M26: 32,535,592 km (0.089 R)
• M27: 39,045,493 km (0.103 R)
• M28: 40,041,067 km (0.104 R)
• M29: 40,292,541 km (0.106 R)
• M30: 42,082,779 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 13,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit